Hie Description - Nortel DMS-100 Series Maintenance Manual

1-38 Maintenance overview

HIE description

The HIE occupies a single shelf at position 33 in the RLCM-EDC frame.
The HIE allows the LCA shelves of the RLCM-EDC to connect both to the
remote maintenance module (RMM) and to the host office. The HIE shelf
contains the following components:
These components are described in the following sections. See the
following figure for the HIE shelf layout.
Power converter cards
The two HIE power converters, located in slots 22 and 25, supply the
necessary shelf voltages (5 V, 12 V) for the HIE shelf.
297-8381-550 Standard 02.02 April 1999
two power converters
two LCCs
two to three DS-1 interface cards