User's Manual

EX7100 Technical Manual - Introduction
©1999 Exicom Technologies (1996) Ltd 1-6 Issue 2 - February 2001
1.5.4 Data Channel
Data Interfaces
G.703 or V.35 synchronous
Data Rate
64 kbit/s
Connections G.703 - 75 Ω
ΩΩ
Ω
G.703 - 120 Ω
ΩΩ
Ω
Synch. Data
BNC Connectors
DB15 Connector
DB15 Connector to standard V.35 connectors
on extender cable
1
1.5.5 System Management
Basic Front Panel Metering
LCD digital with bar graph and test points for
connection of external voltmeter
Configuration
Menu driven 16x2 LCD with six button control
or via RS485 connection to external PC
System management Standard
Proprietary
Inter-site Communications
RS485 communications with daisy-chain
capability
Communications and Signalling
data channel
1000 bit/s (not user accessible)
Monitoring of site security or other
alarms
Six I/O Ports
Channel Selection
Via front panel LCD or external terminal
System Management Functions
• BER alarm set 10
-3
to 10
-5
adjustable
• Loopback on each line (6
channel)
• Repeater mode • 64 kbit/s loopback, local/remote
• Set link active excess alarm time • Set individual Receiver and
Transmitter RF frequencies
• Adjust transmit power level • Antenna alignment mode
• Audio line levels
Alarms
• BER set 10
-3
to 10
-5
adjustable • Low input voltage
• Low receive signal level • Synth lock fail
• Link up time • External alarms
• Tx high VSWR and low power • Lost modem lock
• Internal voltage rail fault • Link fail alarm
• Over Temperature (UHF 10 W) •
Digital and Analogue Meter Tests and Bar Graph
• Receive signal levels • DC input voltage
• Current consumption • Internal voltage rails
• Tx Heatsink temperature
1
DB15 connector has a proprietary pin-out, refer to Appendix A sections A.3 and A.4 for details