Oc-12 Atm Osm; 2+4-Port Gigabit Ethernet Wan Osm; 12-Port Channelized T3 Osm - Cisco 7603 - Modular Expansion Base Installation Manual

Optical Services Modules
OSM-1CHOC12/T3-SI
1 PORT CHOC12/STM4/T3/E3

OC-12 ATM OSM

Table 1-12
OSM-2OC12-ATM-SI+
The 2-port OC-12 Asynchronous Transfer Mode (ATM) OSM (see
•
•
Figure 1-14
OSM-20C12-ATM-SI
2 PORT OC-12 ATM SM IR

2+4-Port Gigabit Ethernet WAN OSM

The OSM-2+4GE-WAN+ is the 2+4-Port Gigabit Ethernet WAN OSM.
The 2+4-Port Giagabit Ethernet WAN OSM
Ethernet interfaces per module as well as an additional two LAN Gigabit Ethernet interfaces per module.
Figure 1-15

2+4-Port Gigabit Ethernet WAN OSM

12-Port Channelized T3 OSM

The OSM-12CT3/T1
from T1/E1 and DS0.
Service features include support for IP and MPLS traffic, Class-Based Weighted Fair Queuing
(CBWFQ), Low-Latency Queuing (LLQ), and Weighted Random Early Detection (WRED).
Book Title
1-20
lists the OC-12c ATM OSMs.
Table 1-12
Standards-compliant SONET/SDH interface; SONET/STS-3c and SDH/STM-1c framing and
signaling overhead
Two SC fiber ports providing full-duplex operation at 622 Mbps per port (Half-duplex operation is
not supported.)
2-Port OC-12 ATM OSM
(Figure 1-16) can accept both clear-channel T3 traffic and multiplexed circuits
2-Port OC-12 ATM OSMs
OSM-2OC12-ATM-MM+
(Figure 1-15) provides support for four WAN Gigabit
Chapter 1 Product Overview
OSM-2OC12-ATM-SI
Figure 1-14) provides:
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