
3-26 Ringing in Series II peripherals
297-1001-131 Standard 06.01 October 2000
Ringing generator configuration change procedure
Follow this procedure to change the ringing configuration in host and remote
line concentrating module (LCM) configurations. During this procedure, the
LCM units enter an in-service trouble (ISTb) state because of ringing cadence
differences. The ISTb state clears after you or the system starts a test. Perform
this procedure during a low traffic period.
The test lines off the LCM that you modify for this procedure should be set up
and in good working order before beginning this procedure. Use the test lines
during this procedure to test the changes in the ringing scheme.
In the unlikely event that something occurs and obstructs the ringing system,
back out of the procedure by reversing the steps you entered. If a serious
problem exists, such as an E1 outage, immediately contact Emergency
Technical Assistance Support (ETAS).
Dual LCM configuration
This procedure describes how to reconfigure the ringing generators in host and
remote switching center (RSC) dual LCM configurations. The procedure
begins with the reconfiguration of ringing generator 1 and then reconfigures
ringing generator 0. For the following procedure, the LCM site is HOST. The
frame number is 0. The units affected are 0 and 1. These values are for example
only. Operating company personnel must use site, frame, and unit LCM values
for the affected LCMs.
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