User's Manual

EX7100 Technical Manual - Contents
©1999 Exicom Technologies (1996) Limited iii Issue 2 - May 2001
Page
Receive Audio Line Level 3-16
3.4.4 Subscriber Terminal Parameters 3-17
Ringer Frequency 3-17
Line Termination Impedance 3-17
Payphone Metering Frequency 3-18
Transmit Audio Line Level 3-19
Receive Audio Line Level 3-19
Telephone Loop Current 3-20
4 Monitoring and Diagnostics
4.1 General 4-1
4.2 Monitoring the EX7100’s Operation 4-1
4.2.1 RF Parameters 4-1
4.2.2 Power Supply Parameters 4-2
4.2.3 Framer Parameters 4-3
4.3 Monitoring a Remote Terminal 4-3
4.3.1 Setting up a Test Link 4-4
4.3.2 Closing the Test Link 4-5
4.3.3 Changing Operating Frequencies Remotely 4-5
4.4 EX7100 Internal Alarms 4-7
4.4.1 Acknowledging an Alarm 4-8
4.4.2 Setting Alarm Priorities 4-8
4.4.3 Link Up Time Alarm 4-9
4.4.4 Low RSSI Alarm 4-10
4.5 Diagnostic Tools 4-10
4.5.1 System Align Mode 4-10
4.5.2 Digital Loopbacks 4-11
Local Loopback 4-12
Remote Loopback 4-12
Enabling Digital Loopbacks 4-12
4.5.3 Analogue Loopbacks 4-13
Local Loopback 4-13
Remote Loopback 4-13
Enabling Analogue Loopbacks 4-14
4.6 Bit Error Rate Testing 4-14
4.6.1 General 4-14
4.6.2 BER Testing an EX7100: End-to-End 4-15
4.6.3 BER Testing an EX7100: Round-Trip 4-17
4.6.4 BER Testing an EX7100: Local Interface 4-17
4.7 Networking EX7100 Terminals 4-18
4.7.1 General 4-18
4.7.2 Interconnection of Local Terminals 4-18