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Cisco 6260 Hardware Installation Guide
OL-2365-02
Chapter 1 Product Overview
Cisco 6260 System Overview
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E1
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E1 IMA group
Note
Network trunk and subtend connectors for the DS3+T1/E1 IMA NI-2 cards are located on the
E1 I/O module on the front of the Cisco 6260 chassis.
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Connects to the
x
TU-C line cards through point-to-point serial data buses on the backplane
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Contains the ATM switch fabric
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Provides CO facility alarm relay contact interfaces and an ACO button
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Provides visual and audible operating status alerts
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Is manageable through Cisco IOS software or CDM
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Provides Cisco IOS-based ATM QoS
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Controls timing through an internal clock or BITS interface, or from an ATM interface (E1)
Note
The BITS interface is connected through the I/O module located on the front of the Cisco 6260.
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Supports the aggregation of up to seven subtended node chassis that are configured for E1 or E1
IMA group operation in a daisy-chain, tree, or star topology
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Provides E1 subtend interfaces through RJ-48c connectors located on the E1 I/O module.
1.2.3.10.1 Faceplate Features
Figure 1-17
shows a close-up of the DS3+T1/E1 IMA NI-2 card faceplate.