1-Port Clear Channel Oc-12 Atm Spa Overview; 1-Port Clear Channel Oc-12 Atm Spa Leds - Cisco XR 12000 Series Hardware Installation Manual

1-Port Clear Channel OC-12 ATM SPA Overview

•
For single-mode and multimode optical fiber connections, you can use either a duplex LC-type cable (see
Figure
Use a single-mode (for intermediate-reach or long-reach configurations) or multimode optical fiber
cable to connect your router to a network or to connect two OC-3-equipped routers back-to-back.
Long-range SFP optical transceiver modules (for long-reach configurations) cannot be connected
back-to-back without using an attenuator between them.
Figure 2-51
RX

1-Port Clear Channel OC-12 ATM SPA Overview

The 1-Port Clear Channel OC-12 ATM SPA is a single-height ATM SPA that can be installed into one
SIP subslot. The OC-12 ATM SPA with small form-factor pluggable (SFP) optical transceiver modules
provides SONET and SDH network connectivity with a per-port bandwidth of 622.08 Mbps. For more
information about SPA bandwidth, see the "Bandwidth Oversubscription" section in this chapter.
The following sections describe the 1-Port Clear Channel OC-12 ATM SPA:
•
•
•

1-Port Clear Channel OC-12 ATM SPA LEDs

The 1-Port Clear Channel OC-12 ATM SPA has three types of LEDs. There are two LEDs for the port
on the SPA, and one STATUS LED, as shown in
Cisco XR 12000 Series Router SIP and SPA Hardware Installation Guide
2-70
Single-mode—155-Mbps, OC-3 optical fiber (SONET STS-3c or SDH STM-1)
Use a single-mode optical fiber that has a modal-field diameter of 8.7 ± 0.5 microns. (Nominal
diameter is approximately 10/125 microns.)
2-51) or two simplex LC-type cables, one for transmit (TX) and one for receive (RX).
Duplex Patch Cable with LC-Type Connectors
TX
1-Port Clear Channel OC-12 ATM SPA LEDs, page 2-70
1-Port Clear Channel OC-12 ATM SPA Interface Specifications, page 2-71
1-Port Clear Channel OC-12 ATM SPA Cables and Connectors, page 2-72
Chapter 2 Overview: Cisco XR 12000 Series Router Shared Port Adapters
/ /
/ / / /
Figure 2-52.
OL-17438-04