Raisecom
RC3000-15 (P100R001) Hardware Description
5 SDH cards
Raisecom Proprietary and Confidential
Copyright © Raisecom Technology Co., Ltd.
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5.2 STM1 (A)
5.2.1 Functions and appearance
Panel
Function
The STM1 card, a SDH aggregation card, provides high-capacity uplink
ways so that data and voice services are transmitted to the RC3000-15
for cross connection and aggregation. It provides the following
functions:
Provide two 155 Mbit/s SDH optical interfaces which support 63 ways
of E1 services.
Support scheduling of 126 ways of E1 services with one SDH card and
252 ways with two SDH cards.
Support multiple protection switching modes:
–
SDH optical interface protection
–
SDH LP protection
–
Card-level 1+1 hot backup
Provide ALS for optical modules.
Support external and internal loopback on the SDH optical interface.
Support loopback and Bit Error Rate Tester (BERT) for each path.
Support chain and ring networking.
Support online software upgrade.
Be exclusive with the STM1 (B) currently.