Technical Manual

EX7100 Technical Manual – Monitoring and Diagnostics
©1999 Exicom Technologies (1996) Ltd 4-18 Issue 2 - August 2001
5) Use the keypad to turn the loopback
function on.
D) The BER test may now begin. Remember to disable the loopback, close the test link,
and return the EX7100 terminals to their original configurations when finished.
4.6.4 BER testing an EX7100: Local Interface.
A) Connect a BERT, set to send and receive, to the local EX7100 terminal.
B) Set the EX7100 terminal to the correct interface and clock sync using the steps in
Section 4.6.2.
C) Using the instructions given earlier as a guide, set the EX7100 terminal to Digital
Local Loopback mode.
D) The BER test may now begin. Remember to disable the loopback and return the
terminal to its original configuration when finished.
4.7 Networking EX7100 Terminals
4.7.1 General
It is possible to create a small network of EX7100 links by connecting the management
channel of multiple terminals together at a local site. This enables a user to monitor and
configure any other terminal in the network, from an ELMS configured PC, using the on-
board remote diagnostic feature.
When combined with ELMS (Exicom Link Management System – refer to Appendix B) an
extensive alarm logging system can be established.
Figure 4.8: Networking EX7100 terminals
EX7100
EXI COM
o o
o o
o o
o
o
EX7100
EX7100
EXI COM
o o
o o
o o
o
o
EX7100
EX7100
EXI COM
o o
o o
o o
o
o
EX7100
EX7100
EXI COM
o o
o o
o o
o
o
EX7100
EX7100
EXI COM
o o
o o
o o
o
o
EX7100
EX7100
EXI COM
o o
o o
o o
o
o
EX7100
EX7100
EXI COM
o o
o o
o o
o
o
EX7100
EX7100
EXI COM
o o
o o
o o
o
o
EX7100
EX7100
EXI COM
o o
o o
o o
o
o
EX7100
EX7100
EXI COM
o o
o o
o o
o
o
EX7100
EX7100
EXI COM
o o
o o
o o
o
o
EX7100
EX7100
EXI COM
o o
o o
o o
o
o
EX7100
RS-485
EX7100
EXI COM
o o
o o
o o
o
o
EX7100
EX7100
EXI COM
o o
o o
o o
o
o
EX7100
Repeater
Local Site
off
→on