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8683POSM module 57
To operate, each module requires at least one of the following MDAs:
•
1-port OC-12c/STM-4: SMF or MMF using SONET media
•
2-port OC-3c/STM-1: SMF or MMF using SONET media
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.
The 8683POSM module has an online LED that indicates overall status for
the module. "8683POSM module LED" (page 57) describes the online LED.
8683POSM module LED
Color/State
Meaning
Green The module is receiving power and is ready to receive
and transmit traffic.
Amber The module is initializing and performing diagnostic
self-tests.
Off The module is offline and is not receiving power.
See Using the 8683POSM Module (209564-C) for a description of how to
configure the 8683POSM module using the command line interface (CLI)
or Device Manager.
The 8683POSM module is an M module and supports up to 128 000 table
entries in its forwarding engine, allowing for large Layer 2 and Layer 3
configurations, including Internet routing tables. For information about table
entry characteristics, see Network Design Guidelines (313197-E).
The Metro Ethernet Routing Switch 8600 system has three hardware
operating modes:
•
Default mode (32 000 table entries) supports up to 32 000 hardware
records. This mode supports all modules.
• M mode (128 000 table entries) supports up to 128 000 hardware
records. This mode supports M modules only.
•
R mode supports up to:
— 256 000 IP routes
— 64 000 MAC entries
— 32 000 ARP entries
This mode supports R modules only.
Nortel Metro Ethernet Routing Switch 8600
Installation — Modules
NN46220-306 02.02 Standard
4.2 7 July 2008
Copyright © 2005-2007, Nortel Networks
.