Cisco XR 12000 Series Manuel d'utilisateur télécharger pdf (Page 85)

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Cisco XR 12000 Series Router SIP and SPA Hardware Installation Guide

OL-17438-04

Chapter 2 Overview: Cisco XR 12000 Series Router Shared Port Adapters

1-Port OC-12/STM-4 POS SPA Overview

The 1-Port OC-12/STM-4 POS SPA is single-height SPA that installs into one SIP subslot. The 1-Port

OC-12/STM-4 POS SPA with a small form-factor pluggable (SFP) optical transceiver module provides

SONET and SDH network connectivity with a bandwidth of 622.08 Mbps.

For more information about SPA bandwidth, see the “Bandwidth Oversubscription” topic in this chapter.

For more information about SPAs and their compatibility with SIPs and modular optics, see the “SIP and

SPA Product Overview” chapter in this guide.

The following sections describe the 1-Port OC-12/STM-4 POS SPA:

• 1-Port OC-12/STM-4 POS SPA LEDs, page 2-55

• 1-Port OC-12/STM-4 POS SPA Interface Specifications, page 2-56

• 1-Port OC-12/STM-4 POS SPA SFP Optical Transceiver Modules and Cables, page 2-56

1-Port OC-12/STM-4 POS SPA LEDs

The 1-Port OC-12/STM-4 POS SPA has three types of LEDs. There are two LEDs for each port on the

SPA, and one STATUS LED.

Figure 2-38 shows an example of these LEDs on a 1-Port OC-12/STM-4

POS SPA.

Figure 2-38 1-Port OC-12/STM-4 POS SPA Faceplate

RX overload OC-12 MM: –6 dBm

OC-12 SR: –8 dBm

OC-12 IR-1: –8 dBm

OC-12 LR-1: –8 dBm

OC-12 LR-2: –8 dBm

Maximum receiver power damage OC-12 MM: +5 dBm

OC-12 SR: +5 dBm

OC-12 IR-1: +5 dBm

OC-12 LR-1: +5 dBm

OC-12 LR-2: +5 dBm

Table 2-38 OC-12 Specifications (continued)

Specification Description

SPA-1XOC12-POS

STATUS

A/L

C/A

129137

1 2 ... 80 81 82 83 84 85 86 87 88 89 90 ... 147 148

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Cisco XR 12000 Series Manuel d'utilisateur Page 85