Prlcm Overview; Prlcm Configuration - Nortel DMS-100 Series Maintenance Manual

3 PRLCM overview

The PCM30 remote line concentrating module (PRLCM) is a remote
peripheral module that provides extended geographic coverage for the
DMS-100 switch. The PRLCM is configured to operate at a distance of up to
160.9 km (100 mi) from the host office.
The PRLCM contains hardware and software maintenance components that
perform routine audits and identify malfunctions in the following:
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PRLCM configuration
The PRLCM is housed in a standard DMS-100 switch single-bay equipment
frame. The PRLCM frame contains the following components:
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The lower part of the frame contains the ILCM, consisting of two line
concentrating arrays (LCA). The LCAs are accompanied by cooling baffles
and fuse panels. The upper part of the PRLCM frame contains the HIE shelf,
the RMM shelf, and the FSP. The FSP provides power control and alarm
circuits for the LCM, HIE, and RMM shelves and for the ringing generators
(RG) in the HIE shelf. See the following figure for the layout of the PRLCM
equipment frame.
PRLCMs
PCM30 links that connect the PRLCM to the host controller
subscriber lines
standard dual-shelf international line concentrating module (ILCM)
host interface equipment (HIE) shelf
single-shelf remote maintenance module (RMM)
frame supervisory panel (FSP)
DMS-100 Family OPM Maintenance Manual XPM14 and up
3-1