E1 I/O Module Overview; Figure 1-19 E3 I/O Module - Cisco 6260 Installation Manual

Cisco 6260 System Overview

Figure 1-19 E3 I/O Module

1
2
For hardware specifications for the E3 I/O module, see the
Note

1.2.4.2 E1 I/O Module Overview

The E1 I/O module provides eight E1 interfaces that can be allocated as either individual E1 network
trunk or subtend interfaces, or as IMA group trunk or subtend interfaces. The E1 I/O module also
provides the alarm pinouts and BITS clock input circuits for the Cisco 6260 system.
The E1 I/O module works with the DS3+T1/E1 IMA NI-2 card in the Cisco 6260 chassis.
Figure 1-20
Cisco 6260 Hardware Installation Guide
1-42
1
2
R X
R X
P 1
P 2
P 3
T X
T X
E3 75-ohm coaxial BNC connectors. The P1
RX and TX connectors serve as the network
trunk interface.
E3 75-ohm coaxial BNC connectors. The P2
and P3 RX and TX connectors serve as
subtend connectors to additional chassis.
shows a close-up of the E1 I/O module.
R X
T X
Six rows of six wire-wrap pins that support
CO alarm relay interfaces and BITS clock
3 input circuits.
Chapter 1
3
"I/O Module" section on page
Product Overview
A-11.
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