Installation guide
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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.
• Connects to the xTU-C line cards through point-to-point serial data buses on the backplane
• Contains the ATM switch fabric
• Provides CO facility alarm relay contact interfaces and an ACO button
• Provides visual and audible operating status alerts
• Is manageable through Cisco IOS software or CDM
• Provides Cisco IOS-based ATM QoS
• 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.
• 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
• 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.