programmable attenuator assembly specification sheet jfw model 50pa-129-xx jfw industries, inc. phone: 317-887-1340 sales@jfwindustries.com www.jfwindustries.com frequency range 30-3000 mhz attenuation range 0-63.5 db in 0.5 db steps configuration individually controlled solid-state pr ogrammable attenuators. number of attenuators can be selected from 1 to 8 attenuators. enclosure type 19 inch rack mount 2ru high (for 1-8 attenuators) impedance 50 ohms nominal startup/default states (configurable) attenuators to 63.5db at startup (see atten command ) dhcp enabled (see net command) 4 ethernet users (see net command) prompts off (see prompt command) all of these default settings can be changed by use r. unit can be configured for up to 12 ethernet users. vswr 1.8:1 maximum 30-800 mhz 1.6:1 maximum 800-3000 mhz attenuation accuracy 0.3 db 0.5-7.5 db 0.5 db or 2% 8.0-63.5 db (whichever is greater) (guaranteed monotonic) insertion loss 4.5 db maximum 2.7 db typical @ 30 mhz 4.0 db typical @ 3000 mhz rf input power +20 dbm average +25 dbm no damage switching speed 1 microsecond typical (after command is received and processed) (3 milliseconds typical processing time) manual control 20-button keypad and lcd display (ip address configurable via keypad) (net mask configurable via keypad) (gateway configurable via keypad) (baud rate configurable via keypad) remote control ethernet (dhcp, tcp/ip, 10/100, up to 12 users) rs-232 (up to 115200 baud) jfw form e-7-f rev f page 1 of 2 --continued--
programmable attenuator assembly specification sheet jfw model 50pa-129-xx jfw industries, inc. phone: 317-887-1340 sales@jfwindustries.com www.jfwindustries.com remote commands attenuator control commands: atten, set attenuator, read attenuator, set all attenuators, read all attenuators, read all extende d, fade attenuator, variable attenuator handover, bloc k, set block, read block, read all blocks, fade block, variable block handover system commands: help, identification, store, recall, pause, net, serial, close, disconnect, motd, date, message, restrict, ident, name, show users, reboot, uptime, prompt rf connector sma or n female operating temperature range 0oc to +50oc ac supply 100-240 vac @ 47-63 hz outline drawing numbers 092-8261 (n female, 1-8 at tenuators) 092-8262 (sma female, 1-8 attenuators) example model numbers 50pa-129-01 sma (1 attenuator ) 50pa-129-02 sma (2 attenuators) 50pa-129-03 sma (3 attenuators) 50pa-129-04 sma (4 attenuators) 50pa-129-05 sma (5 attenuators) 50pa-129-06 sma (6 attenuators) 50pa-129-07 sma (7 attenuators) 50pa-129-08 sma (8 attenuators) 50pa-129-01 n (1 attenuator) 50pa-129-08 n (8 attenuators) 11/03/2015 trs 11/03/2015 ecr/ecn # date rev appr / date ecr/ecn # dat e rev appr / date jfw form e-7-f rev f page 2 of 2
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