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SRP IOA

Module label SRP IOA

IOA label

Not applicable

Number of IOA ports

3

Software release

First supported: 7.0.1

Description

15 W maximum

Pairs with SRP module

Interfaces with the SRP modules through the system's midplane.

Capability

Ethernet (IEEE 802.3)

10/100Base-T

RS-232

Auxiliary port allows access to debug ports on a specific processor (SRP module, LM).

External clock input accepts T1 or E1 signaling. You must configure the interface for T1 or E1. No additional configuration for a specific framing mode is required (for example, SF/ESF).

The BNC connector has a 75–Ohm load impedance.

T1 inputs must be converted from a balanced 100–Ohm signal to an unbalanced 75–Ohm signal by using a balun.

The minimum signal amplitude at the BNC connector is 400mV peak.

Software features

Not applicable

Model compatibility

E320 router

E120 router

Line module compatibility

Not applicable

SRP module compatibility

SRP-100

SRP-120

SRP-320

Port redundancy support

Not applicable

Cables and connectors

Terminal blocks

Two dual-purpose BNC connectors (primary and secondary) for BITS timing clock sources (E1 or T1); 75–ohm E1 2.048–Mbps/T1 1.544–Mbps inputs terminating with a 120/75 ohm or 100/75 ohm balun

One 10/100Base-T Ethernet management port with an RJ-45 connector

Two RS-232 ports with DB-9 connectors for direct command line interface (CLI) and debug access

See E120 and E320 Hardware Guide, Chapter 5, Cabling the Router for more information.

LEDs

None

Alarms, errors, and events

See Monitoring Modules in JUNOSe System Basics Configuration Guide, Chapter 6, Managing Modules.

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Module label	SRP IOA
IOA label	Not applicable
Number of IOA ports	3
Software release	First supported: 7.0.1
Description	15 W maximum Pairs with SRP module Interfaces with the SRP modules through the system's midplane.
Capability	Ethernet (IEEE 802.3) 10/100Base-T RS-232 Auxiliary port allows access to debug ports on a specific processor (SRP module, LM). External clock input accepts T1 or E1 signaling. You must configure the interface for T1 or E1. No additional configuration for a specific framing mode is required (for example, SF/ESF). The BNC connector has a 75–Ohm load impedance. T1 inputs must be converted from a balanced 100–Ohm signal to an unbalanced 75–Ohm signal by using a balun. The minimum signal amplitude at the BNC connector is 400mV peak.
Software features	Not applicable
Model compatibility	E320 router E120 router
Line module compatibility	Not applicable
SRP module compatibility	SRP-100 SRP-120 SRP-320
Port redundancy support	Not applicable
Cables and connectors	Terminal blocks Two dual-purpose BNC connectors (primary and secondary) for BITS timing clock sources (E1 or T1); 75–ohm E1 2.048–Mbps/T1 1.544–Mbps inputs terminating with a 120/75 ohm or 100/75 ohm balun One 10/100Base-T Ethernet management port with an RJ-45 connector Two RS-232 ports with DB-9 connectors for direct command line interface (CLI) and debug access See E120 and E320 Hardware Guide, Chapter 5, Cabling the Router for more information.
LEDs	None
Alarms, errors, and events	See Monitoring Modules in JUNOSe System Basics Configuration Guide, Chapter 6, Managing Modules.