| SPA-8XOC3-POS specifications | |
| Description | Cisco ASR 9000 AdapterSPA-8XOC3-POS8-port OC-3/STM-1 POS Shared Port Adapters | 
| Product Name | Cisco 8-Port OC-3c/STM-1 POS SPA | 
| Product compatibility | • Cisco 12000 Series Routers • Cisco XR 12000 Series Routers • Cisco ASR 1000 Series Router • Cisco ASR 9000 Series Router | 
| Port density per SPA | 8 ports | 
| Physical interface | • OC-3c/STM-1 SFP optics module • Visual status indicators (LEDs): • SPA status LED • Per-port LEDs • Carrier and alarm • Active and loopback | 
| Protocols | • RFC 1662 PPP in High-Level Data Link Control (HDLC)-like framing • RFC 2615 Point-to-Point Protocol (PPP) over SONET/SDH • RFC 2427, Multiprotocol Interconnect over Frame Relay • IPv4/IPv6 | 
| Features and functions | Synchronization • Local (internal) or loop timed (recovered from network) • Pointer activity monitoring Local (diagnostic) and line (network) loopback Payload mapping • POS with 1 + X^43 self-synchronous scrambler SONET/SDH compliance • Telcordia (Bellcore) GR-253-CORE (as applicable) • ANSI T1.105, T1.231 • ITU-T G.707, G.957, G.825 (as applicable) Supported SONET/SDH alarm and signal events • Signal failure bit error rate (SF-ber) • Signal degrade bit error rate (SD-ber) • Signal label payload construction (C2) • Path trace byte (J1) • Section • Loss of signal (LoS) • Loss of frame (LoF) • Error counts for B1 • Threshold crossing alarms (TCA) for B1 • Line • Line alarm indication signal (LAIS) • Line remote defect indication (LRDI) • Line remote error indication (LREI) • Error counts for B2 • TCA for B2 • Path • Path alarm indication signal (PAIS) • Path remote defect indication (PRDI) • Path remote error indication (PREI) • Error counts for B3 • TCA for B3 • Loss of pointer (LoP) • Positive stuffing event (PSE) • Negative stuffing event (NSE) • Path unequipped indication signal (PUNEQ) • Path payload mismatch indication signal (PPLM) | 
| Network management | • RFC 2558 MIB (SONET/SDH) • Simple Network Management Protocol (SNMP) | 
| Reliability and availability | • Online insertion and removal (OIR) • Field-replaceable SFP optical modules • 1+1 SONET Automatic Protection Switching (APS) and SDH Linear Multiplexer Section Protection (MSP) protocols • Single SPA software reset | 
| Physical specifications | • Weight: 0.75 lb (0.34 kg) • Height: 0.8 in. (2.03 cm) (single height) • Width: 6.75 in. (17.15 cm) • Depth: 7.28 in. (18.49 cm) | 
| Power | • 8-Port OC-3c/STM-1 = 8.0W (no optics) | 
 
                     
                
                 
                 
                        







 
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                    