Nortel 8003AC Installation Manual page 57

To operate, each module requires 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.
The 8683POSM module has an online LED that indicates overall status for
the module.
8683POSM module LED
Color/State
Green
Amber
Off
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:
•
•
•
Copyright © 2005-2007, 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
"8683POSM module LED" (page 57)
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.
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
8683POSM module 57
describes the online LED.