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Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Hardware Installation Guide
OL-14126-12
Chapter 3 Overview: Cisco ASR 1000 Series Aggregation Services Routers SPAs
2-Port and 4-Port OC-48c/STM-16 POS SPA Overview
2-Port and 4-Port OC-48c/STM-16 POS SPA Interface Specifications
The physical layer interface for the 2-Port and 4-Port OC-48c/STM-16 POS SPA is Optical Carrier-48
(OC-48), and provides SONET and SDH network connectivity with a per-port bandwidth of 2.488 Gbps.
2-Port and 4-Port OC-48c/STM-16 POS SPA Cables, Optical Transceiver
Modules, and Connectors
Use single-mode (for intermediate-reach configurations) optical fiber cable to connect your router to a
network or to connect two routers back-to-back.
The 2-Port and 4-Port OC-48c/STM-16 POS SPA supports the following types of optical transceiver
modules:
• Single-mode short-reach (SR) SFP module—SFP-OC48-SR
• Single-mode intermediate-reach (IR) SFP module—SFP-OC48-IR1
• Single-mode long-reach (LR) SFP module—SFP-OC48-LR2
Each port on the 2-Port and 4-Port OC-48c/STM-16 POS SPA has one duplex LC-type receptacle. For
single-mode optical fiber connections, you can use either a duplex LC-type cable (see Figure 3-28) or
two simplex LC-type cables, one for transmit (TX) and one for receive (RX).
Figure 3-28 LC-Type Cables
STATUS Off Off SPA power is off.
Green On SPA is ready and operational.
Amber On SPA power is on and good, and the SPA is being
configured.
Table 3-25 2-Port and 4-Port OC-48c/STM-16 POS SPA LEDs (continued)
LED Label Color State Meaning
/ / / /
/ /
TXRX
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