JFW Industries, Inc. Phone: 317-887-1340 [email protected] www.jfwindustries.com SPECIFICATION SHEET JFW MODEL 75PA-078 PROGRAMMABLE ATTENUATOR ASSEMBLY Frequency Range DC-1000 MHz Configuration Four individually controlled electromechanical programmable attenuators Enclosure Type 19 inch rack mount @ 1RU high Impedance 75 Ohms nominal Attenuation Range 0-31 dB in 1 dB steps Startup/Default States (configurable) Maximum attenuation (see ATTEN STARTUP command) DHCP enabled (see NET command) 4 Ethernet users (see NET USERS command Prompts off (see PROMPT command) VSWR 1.7:1 maximum Attenuation Accuracy (guaranteed monotonic) ± 0.5 dB Insertion Loss 3 dB maximum RF Input Power 0.5 Watts average average Switching Speed 20 milliseconds typical (after command is received and processed) (3 milliseconds typical processing time) AC Supply 100-240 VAC @ 47-63 Hz 2 Amp 5x20mm "Slo-Blo" AC fuse Littelfuse#215-002, JFW#025-021 Remote Control Ethernet (DHCP, TCP/IP, 10/100, up to 12 users) RS-232 (up to 115200 Baud) Remote Commands Attenuator Control Commands: Atten, Set Attenuator, Read Attenuator, Set All Attenuators, Read All Attenuators, Read All Extended, Block, Set Block, Read Block, Read All Blocks System Commands: Help, Identification, Store, Recall, Pause, Net, Serial, Close, Disconnect, MOTD, Date, Message, Restrict, IDENT, Name, Show Users, Reboot, Uptime, Prompt RF Connector F female Operating Temperature Range 0ºC to +50ºC Physical Size See outline drawing 092-7727 ECR/ECN # DATE 02/19/2014 Page 1 of 1 REV APPR / DATE ECR/ECN # TRS 02/19/2014 JFW FORM E-7-F REV F DATE REV APPR / DATE