Nortel DMS-100 Series Maintenance Manual page 30

2-10 Star Remote System hardware
•
•
The flash memory enables the RCP to keep its load if the card is removed or
the unit is powered down. If a power failure occurs, the Star Hub does not
require loading. The Star Hub recovers automatically in less than 4 minutes
with a fully installed software load.
Universal maintenance pack (NTTR73AA)
The universal maintenance pack (UMP) is a maintenance card that contains the
functionality of several circuit cards of a maintenance trunk module (MTM).
For example, the MTM contains a line testing unit (LTU),
MONTALK/VER90, and metallic test access (MTA). The UMP supports
•
•
297-8353-550 Standard 05.01 March 2001
support for the use of P-side DS-1s
two interlinks between the RCPs that allow communication between the
processors and routes inter-calls within the Star Hub (the interlinks support
up to 62 calls)
firmware downloading—flash memory to enable the UMP to keep its load
if the card is removed or the unit is powered down
the following maintenance capabilities:
— four separate test access pairs for each SRHE frame
— external tester interface, three wires supporting one voice circuit, one
sleeve wire interface, and several terminations
— MONTALK interface for monitoring or talking to a line
— support for call progress tones generation and 16 dual tone multi
frequency (DTMF) receivers when the Star Hub is in ESA
— access from both processors
— line card testing
— subscriber loop testing