Specs

SPECIFICATION SHEET
JFW MODEL 75PA-073
PROGRAMMABLE ATTENUATOR ASSEMBLY
JFW Industries, Inc.
Phone: 317-887-1340
[email protected]
www.jfwindustries.com
Frequency Range
DC-1218 MHz
Configuration
Four individually controlled relay programmable
attenuators
Enclosure Type
19 inch rack mount @ 2RU high
Impedance
75 Ohms nominal
Attenuation Range
0-95.5 dB in 0.5 dB steps
Startup/Default States
(configurable)
Attenuators to 95.5dB 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 user.
Unit can be configured for up to 12 Ethernet users.
VSWR
1.6:1 maximum
Attenuation Accuracy
± 0.4 dB or 2% of programmed
(whichever is greater)
Insertion Loss
3.5 dB maximum
RF Input Power
0.5 Watts average
Switching Speed
6 milliseconds 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)
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JFW FORM E-7-F REV F
JFW Industries, Inc.
Phone: 317-887-1340
[email protected]
www.jfwindustries.com
SPECIFICATION SHEET
JFW MODEL 75PA-073
PROGRAMMABLE ATTENUATOR ASSEMBLY
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
AC Supply
100-240 VAC @ 47-63 Hz
Operating Temperature Range
0ºC to +50ºC
Physical Size
See outline drawing 092-7773
ECR/ECN #
DATE
REV
07/26/2013
Page 2 of 2
APPR / DATE
ECR/ECN #
TRS 07/26/2013
24239
07/03/2014
A
TRS 07/03/2014
26502
04/01/2016
B
TRS 04/01/2016
JFW FORM E-7-F REV F
DATE
REV
APPR / DATE