Nortel 8600 Installation Manual page 47

Figure 19
8683POSM module with an OC-12c/STM-4 MDA
The POSM modules require at least one of the following MDAs:
•
•
The 8683POSM module supports a mixture of OC-3c/STM-1 and
OC-12c/STM-4 lines. For example, you can install an OC-12c/STM-4
MDA in the first bay and OC-3c/STM-1 MDAs in the two remaining bays.
This module supports up to six I/O OC-3c/STM-1 lines and up to three I/O
OC-12c/STM-4 lines.
For more information about the MDAs for the 8683POSM module, see
Installing Media Dependent Adapters for the 8672ATME and 8672ATMM
Modules, NN46205-316 (313071-C).
The 8683POSM module has an Online LED that indicates the overall
status for the module. The following table describes the Online LED.
Table 10
8683POSM module LED
Color, State
Green
Amber
Off
For information about how to configure the 8683POSM module, see Nortel
Ethernet Routing Switch 8600 Configuration — 8683POSM Modules,
NN46205-515.
The 8683POSM module is an M module and supports up to 128 000 table
entries in its forwarding engine, which supports large layer 2 and layer 3
configurations, including Internet routing tables.
The 8683POSM module supports R and M mode.
Copyright © 2008 Nortel Networks
.
1-port OC-12c/STM-4: SMF or MMF using SONET media
2-port OC-3c/STM-1: SMF or MMF using SONET media
Meaning
The module is receiving power and is ready to receive and transmit
traffic.
The module is initializing and performing diagnostic self-tests.
The module is offline and is not receiving power.
Nortel Ethernet Routing Switch 8600
Installation — Modules
NN46205-304 02.02 Standard
16 June 2008
Interface module descriptions 47