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Catalyst 6500 Series Switch SIP, SSC, and SPA Hardware Installation Guide
OL-9041-04
Chapter 3 Catalyst 6500 Series Switch SPA Overview
1-Port OC-12c/STM-4 POS SPA Overview
1-Port OC-12c/STM-4 POS SPA Interface Specifications
The framer processes incoming and outgoing SONET or SDH frames. The framer operates at
OC-12c/STM-4 line rates (622.08 Mbps).
Packet data is transported with a user-configured encapsulation (such as Point-to-Point Protocol [PPP])
and is mapped into the STS-12c/STM-4 frame.
The 1-Port OC-12c/STM-4 POS SPA interface is compliant with the following RFCs:
• RFC 1619, PPP over SONET/SDH
• RFC 1662, PPP in HDLC-like Framing
The 1-Port OC-12c/STM-4 POS SPA also provides support for SNMP v1 agent (RFC 1155–1157) and
RFC 1213:
• RFC 1155, Structure and Identification of Management Information for TCP/IP-based Internets
• RFC 1156, Management Information Base for Network Management of TCP/IP-Based Internets
• RFC 1157, Simple Network Management Protocol (SNMP)
• RFC 1213, Management Information Base (MIB) for Network Management of TCP/IP-Based
Internets:MIB II.
1-Port OC-12c/STM-4 POS SPA SFP Optical Transceiver Modules and Cables
The POS SPA uses a small form-factor pluggable (SFP) optical transceiver module installed in each port
for SONET and SDH single-mode and multimode optical fiber connection (see
Figure 3-16).
Cisco Systems qualifies the optics that are approved for use with its SPAs. The 1-Port OC-12c/STM-4
POS SPA supports the following types of optical transceiver modules:
• Multimode (MM) SFP module—SFP-OC12-MM
• Short reach (SR) SFP module—SFP-OC12-SR
• Intermediate reach (IR) SFP module (15 km)—SFP-OC12-IR1
• Long reach (LR) SFP module (40 km)—SFP-OC12-LR1
• LR SFP module (80 km)—SFP-OC12-LR2
STATUS Off Off SPA power is off.
Green On SPA is ready and operational.
Amber On SPA power is on and good; SPA is being configured.
Table 3-13 1-Port OC-12c/STM-4 POS SPA LEDs (continued)
LED Label Color State Meaning
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