Rlcm Hardware; Rlcm Hardware Components; Hardware Configuration; Line Concentrating Module - Nortel DMS-100 Series Maintenance Manual

RLCM hardware

This chapter describes the Remote Line Concentrating Module (RLCM)
hardware components that provide subscribers with the full resources of the
digital switching system. The following sections describe the hardware
components that comprise the RLCM and include additional components.

RLCM hardware components

A standard DMS frame with four shelves contains the RCLM. The RCLM
contains the following components:

Hardware configuration

The figure "RLCM frame, shelf, and panel arrangement" shows the layout
of the RLCM equipment, in a single DMS-100 equipment bay. The external
dimensions of the bay are 2208 mm by 685 mm by 457 mm. These
dimensions equal 87 in. by 27 in. by 18 in.

Line concentrating module

The LCM is the basic design building block of the remote peripheral group.
The central side (C-side) of an LCM interfaces with the host network over
DS30A links. The RLCM connects to the host network over two to six
DS-1 links through a controller peripheral. Examples of these controller
peripherals are a line group controller (LGC), line trunk controller (LTC), or
remote cluster controller (RCC).
When the LCM connects to DS-1 links, the LCM can function as an RLCM.
In the RLCM, the DS30A ports of the LCM are mapped to DS-1 interface
cards that connect to the host office. These DS30A ports are on the digroup
control cards (DCC) of the LCM.
line concentrating module (LCM)
host interface equipment (HIE)
frame supervisory panel (FSP)
remote maintenance module (RMM)
DMS-100 Family RLCM Maintenance Manual XPM12 and up
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