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agilent HFBR-57L5AP digital diagnostic sfp 850 nm transceiver for fibre channel 1.0625 gb/s and ethernet 1.25 gb/s data sheet description the HFBR-57L5AP is a state of the art transceiver designed to provide a cost effective, high performance solution for 1.25 gb/s ethernet and 1.0625 gb/s fibre channel applications. as an enhancement to the conventional sfp, the hfbr- 57l5ap implements the digital diagnostic interface per msa sff-8472. real time monitors of temperature, supply voltage, laser bias current, laser average output power and received input power oma are provided via a two-wire serial interface. this information is in addition to the conventional sfp data. features ? sff-8472 diagnostic monitoring interface (dmi) for optical transceivers with real time monitors: - transmitted optical power - received optical power - laser bias current - temperature - supply voltage sfp transceiver specifications: - sff-8074i (rev 1.0) - sff-8472 (rev 9.3) - 1.25 gb/s ethernet operation, ieee 802.3 1000base-sx - 1.0625 gb/s fibre channel, fc-pi 100-m5-sn-i and 100-m6-sn-i alarms and warnings to indicate status of real time monitors lc duplex optical connector interface conforming to ansi tia/eia604-10 (focis 10) wide temperature and supply voltage operation 850 nm vcsel iec 60825-1 class 1/cdrh class 1 laser eye safe applications fibre channel systems - enterprise class storage systems - director class switches - fabric switches hba cards switch to switch interface file server interface iscsi applications related products hfbr-0534: evaluation kit for agilent sfps with diagnostic monitoring interface (dmi) hfbr-57m5ap: 850 nm +3.3 v sfp w/dmi for 2.125/1.0625 gb/s for fibre channel and 1.250 gb/s for 1000base-sx. hfbr-5701l/lp: 850 nm +3.3 v sfp for 1.250 gb/s operation for 1000base-sx and 1.0625 gb/s for fibre channel hdmp-1636a/46a: single serdes ic for gigabit ethernet and fibre channel hdmp-1685a: quad serdes ic for gigabit ethernet with 5 bit parallel interface and ddr ttl clock input hdmp-1687: quad serdes ic for gigabit ethernet with 10 bit parallel interface and ttl clock input
2 installation the HFBR-57L5AP can be installed in any sff-8074i compliant small form pluggable (sfp) port. the HFBR-57L5AP is hot-pluggable, allowing the module to be installed while the host system is operating and on- line. upon insertion, the transceiver housing makes initial contact with the host board sfp cage, mitigating potential damage due to electro- static discharge (esd). digital diagnostic interface and serial identification the 2-wire serial interface is based on the atmel at24c01a series eeprom protocol and signaling detail. the hfbr- 57l5p contains conventional sfp memory per sff-8074i as well as additional memory (address 0xa2) for the new figure 1. transceiver functional diagram digital diagnostic information. the new diagnostic information provides the opportunity for predictive failure identification, compliance prediction, fault isolation and component monitoring. predictive failure identification the diagnostic information allows the host system to identify potential link problems. once identified, a fail over technique can be used to isolate and replace suspect devices before system uptime is impacted. component monitoring the real-time diagnostic parameters can be monitored to alert the system when operating limits are exceeded and compliance cannot be ensured. real time transceiver diagnostics information can also be combined with system level monitoring to verify that performance and operating environments are meeting the intended design requirements. fault isolation the diagnostic information can allow the host to pinpoint the location of a link problem and accelerate system servicing and minimize downtime. optical interface light from fiber light to fiber receiver photodetector amplification & quantizattion micro- controller & memory transmitter vcsel laser driver & safety circuit electrical interface rd+ (receive data) rd- (receive data) rx loss of signal mod_def2 (sda) mod_def1 (scl) mod_def0 tx_disable td+ (transmit data) td- (transmit data) tx_fault
3 transmitter section the transmitter section includes an 850 nm vcsel (vertical cavity surface emitting laser) light source and a transmitter driver circuit. the driver circuit maintains a constant average optical power output with fibre channel and ethernet 8b/10b coded data. optical connection to the transmitter is provided via an lc connector. tx_disable the transmitter optical output can be disabled by asserting pin 3, tx_disable. a high signal asserts this function while a low signal enables normal laser operation. the transmitter output can also be disabled and monitored via the two-wire serial. in the event of a transceiver fault, such as the activation of the eye safety circuit, toggling of the tx_disable will reset the transmitter as depicted in figure 5. tx_fault a laser fault will activate the transmitter signal, tx_fault, and disable the laser. this signal is an open collector output (pull-up required on the host board). a low signal indicates normal laser operation and a high signal indicates a fault. the tx_fault will be latched high when a laser fault occurs and is cleared by toggling the tx_disable input or power cycling the transceiver. the transmitter fault condition can also be monitored via the two- wire serial interface. eye safety circuit under normal operating conditions laser power will be maintained below class 1 eye- safety limits. should a catastrophic laser fault occur and optical power become uncontrolled, the laser driver will detect the fault, shut down the laser and assert the tx_fault output. receiver section the receiver section includes a pin detector with amplification and quantization circuits. optical connection to the receiver is provided via an lc optical connector. rx_los the receiver section contains a loss of signal (rx_los) circuit to indicate when the optical input signal power is insufficient for gigabit ethernet or fibre channel compliance. a high signal indicates loss of modulated signal, indicating link failure such as a broken fiber or nonfunctional remote transmitter. rx_los can be also be monitored via the two-wire serial. functional data i/o agilents HFBR-57L5AP fiber- optic transceiver is designed to accept industry standard electrical input differential signals. the transceiver has internally ac-coupled data inputs and outputs. bias resistors and coupling capacitors have been included within the module to reduce the number of components required on the customers board. figure 2 illustrates the recommended interface circuit. application support an evaluation kit and reference designs are available to assist in evaluation of the HFBR-57L5AP. please contact your local field sales representative for availability and ordering details. figure 2. typical application configuration figure 3. recommended power supply filter v cc t 0.1 f 0.1 f 10 f 1 h 1 h 0.1 f 10 f 3.3 v sfp module v cc r host board laser driver & safety circuitry 50 ? 50 ? so+ so? amplification & quantization 50 ? 50 ? si+ si? vrefr vrefr tbc ewrap rbc rx_rate rx_los gpio(x) gpio(x) gp14 refclk tx_fault tbc ewrap rbc rx_rate refclk tx[0:9] rx[0:9] tx_fault tx_disable td+ td? tx gnd mod_def2 eeprom mod_def1 mod_def0 rx gnd 4.7 k to 10 k 3.3 v 4.7 k to 10 k 3.3 v 4.7 k to 10 k 4.7 k to 10 k 106.25 mhz protocol ic sfp module v cc ,t 1 h 1 h 10 f 0.1 f 3.3 v 4.7 k to 10 k 10 f 0.1 f 0.1 f hdmp-1636a 4.7 k to 10 k rd+ rd? rx_los 0.01 f 0.01 f 100 ? 0.01 f 0.01 f v cc ,r 100 50 ? v cc ,r 50 ? v cc ,r
4 feature test method performance electrostatic discharge (esd) to the electrical pins mil-std-883c method 3015.4 jedec class 2 (>2000 volts) electrostatic discharge (esd) to the optical connector variation of iec 801-2 air discharge of 15 kv (min) contact to connector w/o damage electromagnetic interference (emi) fcc class b cenelec en55022 class b (cispr 22a) vcci class 1 system margins are dependent on customer board and chassis design immunity variation of iec 61000-4-3 lass than 0.5 db of rx sensitivity degradation and less than 10% margin reduction of tx mask at 10 v/m, 10 mhz to 1 ghz w/o chassis enclosure laser eye safety and equipment type testing us fda cdrh ael class 1 us21 cfr, subchapter j per paragraphs 1002.10 and 1002.12 (iec) en60825-1: 1994 + a11+a2 (iec) en60825-2: 1994 + a1 (iec) en60950: 1992 + a1 + a2 + a3 + a4 + a11 cdrh certification #: 9720151-31 tuv file #: 02171216.002 component recognition underwriters laboratories and canadian standards association joint component recognition for information technology equipment including electrical business equipment ul file #: e173874 regulatory compliance the transceiver regulatory compliance performance is provided in table 1 as a figure of merit to assist the designer. the overall equipment design will determine the certification level. electrostatic discharge (esd) normal esd handling precautions for esd sensitive devices should be followed while using these transceivers. these precautions include using grounded wrist straps, work benches and floor mats in esd controlled areas. additionally, static discharges to the exterior of the equipment chassis containing the transceiver parts must also be considered. electromagnetic interference (emi) most equipment designs using the HFBR-57L5AP are subject to the requirements of the fcc in the united states, cenelec en55022 (cispr 22) in europe and vcci in japan. the metal housing and shielded design of the HFBR-57L5AP provides excellent emi performance. flammability the HFBR-57L5AP is compliant to ul 94v-0. table 1. regulatory compliance
5 caution the HFBR-57L5AP contains no user serviceable parts. tampering with or modifying the performance of the hfbr- 57l5ap will result in voided product warranty. it may also result in improper operation of the HFBR-57L5AP circuitry, and possible overstress of the laser source. device degradation or product failure may result. operating above the recommended absolute maximum conditions may be considered an act of modifying or manufacturing a laser product. the person(s) performing such an act is required by law to recertify and reidentify the laser product under the provisions of u.s. 21 cfr (subchapter j) and the tuv. ordering information please contact your local field sales engineer or one of agilent technologies franchised distributors for ordering information. for technical information, please visit agilent technologies web page at www.agilent.com or contact agilent technologies semiconductor products customer response center at 1- 800-235-0312. for information related to sff committee documentation visit www.sffcommittee.org.
6 pin description pin name function/description notes 1v ee ttransmitter ground 2 tx_fault transmitter fault indication - high indicates a fault condition 1 3 tx_disable transmitter disable - module optical output disables on high or open 2 4 mod-def2 module definition 2 - two wire serial id interface data line (sda) 3 5 mod-def1 module definition 1 - two wire serial id interface clock line (scl) 3 6 mod-def0 module definition 0 - grounded in module (module present indicator) 3 7no connect 8 rx_los loss of signal - high indicates loss of received optical signal 4 9v ee r receiver ground 10 v ee r receiver ground 11 v ee r receiver ground 12 rd- inverse received data out 5 13 rd+ received data out 5 14 v ee r receiver ground 15 v cc r receiver power +3.3 v 6 16 v cc t transmitter power +3.3 v 6 17 v ee ttransmitter ground 18 td+ transmitter data in 7 19 td- inverse transmitter data in 7 20 v ee ttransmitter ground notes: 1. tx_fault is an open collector/drain output, which should be pulled up with a 4.7 k ? 10 k w resistor on the host board. when high, this output indicates a laser fault of some kind. low indicates normal operation. in the low state, the output will be pulled to < 0.8 v. 2. tx_disable is an input that is used to shut down the transmitter optical output. it is pulled up within the transceiver with a 4.7 k ? 10 k w resistor. low (0 ? 0.8 v): transmitter on between (0.8 v and 2.0 v): undefined high (2.0 ? v cc max): transmitter disabled open: transmitter disabled 3. the signals mod-def 0, 1, 2 designate the two wire serial interface pins. they should be pulled up with a 4.7 k ? 10 k w resistor on the host board. mod-def 0 is grounded by the module to indicate the module is present mod-def 1 is serial clock line (scl) of two wire serial interface mod-def 2 is serial data line (sda) of two wire serial interface 4. rx_los (rx loss of signal) is an open collector/drain output that should be pulled up with a 4.7 k ? 10 k w resistor on the host board. when high, this output indicates the received optical power is below the worst case receiver sensitivity (as defined by the standard in us e). low indicates normal operation. in the low state, the output will be pulled to < 0.8 v. 5. rd-/+ designate the differential receiver outputs. they are ac coupled 100 w differential lines which should be terminated with 100 w differential at the host serdes. ac coupling is done inside the transceiver and is not required on the host board. the voltage swing on these lines will be between 500 and 2000 mv differential (250 ? 1000 mv single ended) when properly terminated. 6. v cc r and v cc t are the receiver and transmitter power supplies. they are defined at the sfp connector pin. the maximum supply current is 2 10 ma and the associated inrush current will typically be no more than 30 ma above steady state after 500 nanoseconds. 7. td-/+ designate the differential transmitter inputs. they are ac coupled differential lines with 100 w differential termination inside the module. the ac coupling is done inside the module and is thus not required on the host board. the inputs will accept differential swings o f 500 ? 2400 mv (250 ? 1200 mv single ended).
7 absolute maximum ratings recommended operating conditions notes: 1. the ambient operating temperature limitations are based on the case operating temperature limitations and are subject to the host system thermal design. 2. recommended operating conditions are those values for which functional performance and device reliability is implied. notes: 1. filter per sfp specification is required on host board to remove 10 hz to 2 mhz content. 2. pulled up externally with a 4.7 k ? 10 k w resistor on the host board to 3.3 v. parameter symbol minimum maximum unit notes storage temperature t s -50 +100 c 1, 2 ambient operating temperature t a -50 +100 c 1, 2 relative humidity rh 5 95 % 1 supply voltage v cc t, r -0.5 4.0 v 1, 2, 3 control input voltage v in -0.5 v cc + 0.5 v 1 parameter symbol minimum maximum unit notes ambient operating temperature t a -10 +75 c 1 case operating temperature t c -10 +85 c 2 module supply voltage v cc t, r2.973.63v2 data rate 1.0625 1.25 gb/s 2 parameter symbol minimum typical maximum unit notes ac electrical characteristics power supply noise rejection (pk-pk) psnr 100 mv 1 dc electrical characteristics module supply current i cc 210 ma power dissipation p diss 765 mw sense outputs: output high transmit fault (tx_fault) loss of signal - rx_los mod_def2 v oh 2.4 v cc t, r + 0. 3 v 2 output low transmit fault (tx_fault) loss of signal - rx_los mod_def0 v ol 0.4 v 2 control inputs: input high transmit disable (tx_disable) mod-def1 mod-def2 v ih 2.0 v cc v2 input low transmit disable (tx_disable) mod-def1 mod-def2 v il 00.8v2 notes: 1. absolute maximum ratings are those values beyond which damage to the device may occur if these limits are exceeded for other than a short period of time. see reliability data sheet for specific reliability performance. 2. between absolute maximum ratings and the recommended operating conditions functional performance is not intended, device reli ability is not implied, and damage to the device may occur over an extended period of time. 3. see figure 3 for the recommended power connection. transceiver electrical characteristics t c = -10 c to +85 c, v cc t, v cc r = 3.3 v 10%
8 transceiver electrical characteristics t c = -10 c to +85 c, v cc t, v cc r = 3.3 v 10% notes: 1. internally ac coupled and terminated (100 ohm differential). these levels are compatible with cml and lvpecl. 2. internally ac coupled with internal 50 w pull-ups to v cc (single-ended) and a required external 100 ohm differential load termination. 3. contributed dj is measured on an oscilloscope in average mode with 50% threshold and k28.5 pattern 4. contributed rj is calculated for 1x10 -12 ber by multiplying the rms jitter (measured on a single rise or fall edge) from the oscilloscope by 14. per fc- pi (table 13 - mm jitter output, note 1), the actual contributed rj is allowed to increase above its limit if the actual contri buted dj decreases below its limits, as long as the component output dj and tj remain within their specified fc-pi maximum limits with the worst case sp ecified component jitter input. 5. 20%-80% electrical rise & fall times measured with a 500 mhz signal utilizing a 1010 data pattern. parameter symbol minimum typical maximum unit notes high speed data input: transmitter differential input voltage (td) v i 350 2400 mv 1 high speed data output: receiver differential output voltage (rd) v o 500 2000 mv 2 receiver contributed deterministic jitter (1.0625 gb/s) dj 0.12 113 ui ps 3 receiver contributed total jitter 1.0625 gb/s tj 0.218 205 ui ps 4 receiver contributed total jitter 1.25 gb/s tj 0.332 266 ui ps receiver electrical output rise & fall times (20-80%) tr, tf 100 250 ps 5
9 transmitter optical characteristics t c = -10 c to +85 c, v cc t, v cc r = 3.3 v 10% notes: 1. max pout is the lesser of class 1 safety limits (cdrh and en 60825) or receiver power, max. 2. into 50/125 m (0.2 na) multimode optical fiber. 3. an oma of 156 is approximately equal to an average power of ?10 dbm assuming an extinction ratio of 9 db. 4. contributed dj is measured on an oscilloscope in average mode with 50% threshold and k28.5 pattern. 5. contributed rj is calculated for 1x10 -12 ber by multiplying the rms jitter (measured on a single rise or fall edge) from the oscilloscope by 14. per fc-pi (table 13 - mm jitter output, note 1), the actual contributed rj is allowed to increase above its limit if the actual con tributed dj decreases below its limits, as long as the component output dj and tj remain within their specified fc-pi maximum limits with the worst c ase specified component jitter input. 6. ieee 802.3. 7. measured at tp2. tp refers to the compliance point specified by ieee 802.3, section 38.2.1. parameter symbol minimum typical maximum unit notes modulated optical output power (oma, pk-pk) 1.0625 gb/s tx, oma 156 w 3 average optical output power p out -9.5 dbm 1, 2 optical extinction ratio er 9 db 6 center wavelength l c 830 860 nm spectral width - rms s , rms 0.85 nm optical rise/fall time 1.25 gb/s t r , t f 260 ps 6 optical rise/fall time 1.0625 gb/s t r , t f 300 ps 20-80% rin 12 (oma) rin -117 db/hz transmitter contributed deterministic jitter 1.0625 gb/s 1.25 gb/s dj dj 0.09 85 0.1 80 ui ps ui ps 4 transmitter contributed total jitter 1.0625 gb/s 1.25 gb/s tj tj 0.267 251 0.284 227 ui ps ui ps 5, 7 p out tx_disable asserted p off -35 dbm
10 receiver optical characteristics t c = -10 c to +85 c, v cc t, v cc r = 3.3 v 10% notes: 1. ieee 802.3. 2. 50/125 m. an oma of 31 is approximately equal to an average power of ?17 dbm with an extinction ratio of 9 db. 3. 1.0625 gb/s stressed receiver vertical eye closure penalty (isi) min is 0.96 db for 50 m fiber. stressed receiver dcd compon ent min (at tx) is 80 ps. 4. these average power values are specified with an extinction ratio of 9 db. the loss of signal circuitry responds to valid 8b /10b encoded peak to peak input optical power, not average power. 5. input optical modulation amplitude (commonly known as sensitivity) requires a valid 8b/10b encoded input. 6. ber = 10- 12 . parameter symbol minimum typical maximum unit notes input optical power [overdrive] p in 0dbm avg receiver sensitivity (optical input power) 1.25 gb/s prmin -17 dbm 1, 6 input optical modulation amplitude (pk-pk) 1.0625 gb/s [sensitivity] oma 31 w, oma 2, 4, 5 stressed receiver sensitivity 1.25 gb/s -13.5 -12.5 dbm 50/125 m fiber 62.5/125 m fiber note 1, 6 stressed receiver sensitivity (oma) 1.0625 gb/s 55 67 w, oma 50/125 m fiber, 62.5/125 m fiber, note 3, 6 return loss 12 db loss of signal ? assert p a -31 -17.5 dbm avg loss of signal - de-assert p d -30.5 -17 dbm avg loss of signal - hysteresis p d -p a 0.5 db
11 transceiver timing characteristics t c = -10 c to +85 c, v cc t, v cc r = 3.3 v 10% notes: 1. see msa sff-8472 for details 2. contact agilent for applications requiring higher serial id clock rate. nominal transceiver digital diagnostic monitor (real time sense) characteristics t c = -10 c to +85 c, v cc t, v cc r = 3.3 v 10% notes: 1. temperature is measured internal to the transceiver. 2. voltage is measured internal to the transceiver. 3. coupled into 50/125 m multimode fiber. valid from 100 to 1000 w, avg. 4. coupled from 50/125 m multimode fiber. valid from 31 to 800 w oma. parameter symbol minimum maximum unit notes tx_disable assert time t_off 10 s 1 tx_disable negate time t_on 1 ms 1 time to initialize, including reset of tx_fault t_init, t_serial 300 ms 1 tx_fault assert time t_fault 100 s 1 tx_disable to reset t_reset 10 s 1 rx_los assert time t_loss_on 100 s 1 rx_los de-assert time t_loss_off 100 s 1 serial id clock rate f_serial_clock 100 khz 2 parameter symbol minimum units notes received modulated optical input power accuracy (oma) p r 3.0 db 4 transmitted average optical output power accuracy p t 3.0 db 3 transmitter laser dc bias current accuracy i int 10 % transceiver internal temperature accuracy t int 3.0 c 1 transceiver internal supply voltage accuracy v int 0.1 v 2
12 figure 4. memory map 00 255 reserved in sfp msa (128 bytes) 127 vendor specific (32 bytes) 95 address a0 as per msa serial id defined by spf msa (96 bytes) address a2 as per msa 55 95 119 127 247 255 alarm and warning thresholds (56 bytes) cal constants (40 bytes) real time diagnositic interface (24 bytes) vendor specific (8 bytes) user writable eeprom (120 bytes) vendor specific (8 bytes)
13 tx_fault v cc > 2.97 v t_init tx_disable transmitted signal t_init tx_fault v cc > 2.97 v tx_disable transmitted signal t-init: tx disable negated t-init: tx disable asserted tx_fault v cc > 2.97 v t_init tx_disable transmitted signal t_off tx_fault tx_disable transmitted signal t-init: tx disable negated, module hot plugged t-off & t-on: tx disable asserted then negated insertion t_on tx_fault occurance of fault t_fault tx_disable transmitted signal tx_fault occurance of fault tx_disable transmitted signal t-fault: tx fault asserted, tx signal not recovered t-reset: tx disable asserted then negated, tx signal recovered t_reset t_init* * cannot read input... tx_fault occurance of fault t_fault tx_disable transmitted signal optical signal los t-fault: tx disable asserted then negated, tx signal not recovered t-loss-on & t-loss-off t_loss_on t_init* t_reset * sfp shall clear tx_fault in t_init if the failure is transient t_loss_off occurance of loss figure 5. transceiver timing diagrams (module installed except where noted)
14 table 2. eeprom serial id memory contents ? conventional sfp memory (address a0h) notes: 1. addresses 68-83 specify the HFBR-57L5AP ascii serial number and will vary on a per unit basis. 2. addresses 84-91 specify the HFBR-57L5AP ascii date code and will vary on a per date code basis. 3. addresses 63 and 95 are check sums. address 63 is the check sum for bytes 0?62 and address 95 is the check sum for bytes 64 ?94. 4. the ieee organizationally unique identifier (oui) assigned to agilent technologies is 00-30-d3 (3 bytes of hex). address hex ascii address hex ascii address hex ascii address hex ascii 003 4048h68note 1 96 104 4146f69note 1 97 207 4242b70note 1 98 300 4352r71note 1 99 4 00 44 2d - 72 note 1 100 5 00 45 35 5 73 note 1 101 6 01 46 37 7 74 note 1 102 7 20 47 4c l 75 note 1 103 8 40 48 35 5 76 note 1 104 9 0c 49 41 a 77 note 1 105 10 01 50 50 p 78 note 1 106 11 01 51 20 79 note 1 107 12 0c 52 20 80 note 1 108 13 00 53 20 81 note 1 109 14 00 54 20 82 note 1 110 15 00 55 20 83 note 1 111 16 37 56 20 84 note 2 112 17 1b 57 20 85 note 2 113 18 00 58 20 86 note 2 114 19 00 59 20 87 note 2 115 20 41 a 60 00 88 note 2 116 21 47 g 61 00 89 note 2 117 22 49 i 62 00 90 note 2 118 23 4c l 63 note 3 91 note 2 119 24 45 e 64 00 92 60 120 25 4e n 65 1a 93 f0 121 26 54 t 66 00 94 01 122 27 20 67 00 95 note 3 123 28 20 124 29 20 125 30 20 126 31 20 127 32 20 33 20 34 20 35 20 36 00 37 note 4 38 note 4 39 note 4
15 table 3. alarms and warning values ? enhanced feature set memory (address a2h) high warning low warning high alarm low alarm real-time monitor hex real value hex real value hex real value hex real value rx oma 2af8 1.1 mw 0136 31 w ffff 6.55 mw 0000 0 mw tx 0f8d -4 dbm 03e8 -10 dbm 1ba7 -1.5 dbm 01f5 -13 dbm ibias 109a 8.5 ma 03e8 2 ma 1388 10 ma 03e8 2 ma temp 5500 +85 c f600 -10 c 6400 +100 c d800 -40 c v cc 8dcc 3.63 v 7404 2.97 v 9858 3.9 v 6978 2.7 v writing to alarm and warning threshold bytes (address 0xa2, bytes 0-39): for a complete description of the alarms and warnings values, consult msa sff-8472. the default setting for the alarm and warning threshold bytes is non writable. by entering a password, however, the alarm and warning threshold bytes can be made writable to the customer, enabling customization to suit system needs. the password consists of writing the following hex data to bytes 123-126 on page 0xa2: 123 = 0x47, 124 = 0x4f, 125 = 2d, 126 = 0x41. alarm and warning threshold bytes are volatile memory; upon power cycles, alarm and warning threshold bytes will revert back to initial factory preset values.
16 figure 6. module drawing 13.80.1 [0.5410.004] 2.60 [0.10] 55.20.2 [2.170.01] 13.40.1 [0.5280.004] agilent HFBR-57L5AP 850 nm laser prod 21cfr(j) class 1 country of origin yyww xxxxxx device shown with dust cap and bail wire delatch 6.250.05 [0.2460.002] tx rx dimensions are in millimeters ( inches ) 8.50.1 [0.3350.004] front edge of sfp transceiver cage 0.7max. uncompressed [0.028] 13.00.2 [0.5120.008] 6.6 [0.261] 13.50 [0.53] area for process plug 14.8max. uncompressed [0.583]
17 figure 7. sfp host board mechanical layout 2x 1.7 20x 0.5 0.03 0.9 2 0.005 typ . 0.06 l a s b s 10.53 11.93 20 10 11 pin 1 20 10 11 pin 1 0.8 typ . 10.93 9.6 2x 1.55 0.05 3.2 5 legend 1. pads and vias are chassis ground 2. thr ough holes, plating optional 3. hatched area denotes component and trace keepout (except chassis ground) 4. area denotes component keepout (traces allowed) dimensions are in millimeters 4 3 2 1 1 26.8 5 11x 2.0 10 3x 41.3 42.3 b 10x ? 1.05 0.01 16.25 ref . 14.25 11.08 8.58 5.68 2.0 11x 11.93 9.6 4.8 8.48 a 3.68 see det ail 1 9x 0.95 0.05 2.5 7.1 7.2 2.5 10 3x 34.5 16.25 min. pitch y x det ail 1 ? 0.85 0.05 pcb edge 0.06 l a s b s ? 0.1 l a s b s ? 0.1 l x a s ? 0.1 l x a s ? 0.1 s x y
18 figure 8. sfp assembly drawing [.600.004] dimensions are in millimeters [inches]. 15.250.1 [.640.004] 16.250.1min pitch [.410.004] 10.40.1 .39 to pcb 10ref [.020.004] below pcb 0.40.1 .39 9.8max .49 12.4ref .05 below pcb 1.15ref [1.64.02] 41.730.5 [.14.01] 3.50.3 [.07.04] 1.70.9 .59 15max area for process plug tcase reference point pcb msa-specified bezel bezel cage assembly
www.agilent.com/ semiconductors for product information and a complete list of distributors, please go to our web site. for technical assistance call: americas/canada: +1 (800) 235-0312 or (916) 788-6763 europe: +49 (0) 6441 92460 china: 10800 650 0017 hong kong: (+65) 6756 2394 india, australia, new zealand: (+65) 6755 1939 japan: (+81 3) 3335-8152(domestic/international), or 0120-61-1280(domestic only) korea: (+65) 6755 1989 singapore, malaysia, vietnam, thailand, philippines, indonesia: (+65) 6755 2044 taiwan: (+65) 6755 1843 data subject to change. copyright ? 2003 agilent technologies, inc. obsoletes: 5988-8537en august 27, 2003 5989-0045en

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