Description	Specification
Product Compatibility	Cisco XR 12000 Series Routers Cisco ASR 1000 Series Router Cisco CRS Carrier Routing System Cisco 7600 Series Routers Cisco ASR 9000 Series Routers
Port Density per SPA	OC-3/STM-1 SPA: 1 and 3 ports OC-12/STM-4 SPA: 1 port
Cards/ports/slots	Half-height form factor
Physical Interface	SFP optics module (refer to optical parameters in Table 2)
LED Indicators	SPA level: • Green: SPA is ready and operational • Amber: SPA power is on and good, but SPA is being configured • Off: SPA power is off Port Level: • Active/Loopback • Green: Port is enabled, loopback is off • Amber: Port is enabled, loopback is on • Off: Port is not enabled Carrier/Alarm • Green : Port is enabled, no SONET alarms • Amber: Port is enabled, at least one SONET alarm is active • Off: Port is not enabled
Protocols	• IETF RFC 2684 (updated RFC +1483) support for multiple protocol encapsulations over ATM • IETF RFC 2364 and 2516 for Point-to-Point Protocol ( PPP) over ATM • IETF RFC 1577 support for classical IP and Address Resolution Protocol (ARP) over ATM • ATM Forum User-Network Interface (UNI) 3.0, 3.1, and 4.0
ATM/Packet Layer	• Support for up to 2047 virtual circuits per port • Cisco ASR 1000 Series with Cisco IOS XE Release 2.5 and later supports: • Up to 4,000 virtual circuits per interface • Up to 12,000 virtual circuits per SPA • Up to 32,000 virtual circuits per system • Support for up to 8 class-of-service (CoS) queues per virtual circuit, including one Low-Latency Queuing (LLQ) queue per virtual circuit • User-Network Interface (UNI)/Network Node Interface (NNI) cell format-8 UNI virtual-path-identifier (VPI) bits (0-255), 12 NNI VPI bits (0-4000), 16 virtual-channel-identifier (VCI) bits (0-64,000) over any VPI/VCI combination within the full range • Support for up to 255 virtual paths per port • Switched-virtual-circuit (SVC) signaling (point-to-point connections) • SVC signaling (point-to-multipoint connections) • UNI Version 3.0/3.1 (including ILMI) • Multiprotocol Encapsulation over AAL5 • Classical IP over ATM; client and Address Resolution Protocol (ARP) server • PWE3 support • ATM permanent virtual circuits (PVCs) and switched virtual circuits (SVCs) • Interim Local Management Interface (ILMI) 1.0 • Layer 2 transport and Layer 3 termination on the same port • ATM over MPLS • Per-virtual circuit and per-virtual path statistics
Traffic Management	• CBR • VBR-nrt • VBR-rt • UBR • ATM and IP CoS • Per-virtual circuit and per-virtual path traffic shaping • Layer 3 QoS - Class-Based Weighted Fair Queuing (CBWFQ) and LLQ • CLP Bit setting • Hierarchical Shaping • Ingress Classification • Per-virtual circuit Layer 3 queuing
Operations, Administration, and Maintenance (OAM)	• OAM F4 and F5 OAM • Alarm indication signal (AIS) and remote defect indication (RDI) alarms and loopback cell
SONET Errors, Alarms, and Per formance Monitoring	• 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) • New pointer events (NEWPTR) • Positive stuffing event (PSE) • Negative stuffing event (NSE) • Path unequipped indication signal (PUNEQ) • Path payload mismatch indication signal (PPLM)
SON ET Synchronization	• Local (internal) timing (for inter-router connections over dark fiber or wavelength-division multiplexing [WDM] equipment) • Loop (line) timing (for connection to SONET/SDH equipment)
Reliability and Availability	• OIR • Field-replaceable SFP optics modules • Support for both 1 + 1 SONET (automatic-protection-switching [APS]) and SDH (multiplex-section-protection [MSP]) protocols • Single SPA software reset
MIBS	RFC 2558 MIB (SONET/SDH)
Network Management	Simple Network Management Protocol (SNMP)
Physical Dimensions (HxWxD)	• Height: 0.8 inches (2.03 cm) • Width: 6.75 inches (17.15 cm) • Depth: 7.28 inches (18.49 cm) • Weight: 1-port OC-3/STM-1 ATM SPA: 0.95 lbs 3-port OC-3/STM-1 ATM SPA: 1 lbs 1-port OC-12/STM-4 ATM SPA: 0.95 lbs
Power (Without Optics)	• 1-port OC-3/STM-1 ATM SPA: 14.5W maximum • 3-port OC-3/STM-1 ATM SPA: 18.0.W maximum • 1-port OC -12/STM-4 ATM SPA: 20.5W maximum
Approvals and Compliance	CE Marking Safety • UL 60950 • CSA 22.2 No.60950 • IEC 60950 • EN 60950 • AS/NZS 3260 • TS001 EMC • EMC Class A or B conforms with Host System Classification • FCC Part 15 (CFR 47) • ICES 003 • EN55022 • CISPR 22 • AS/NZ CISPR 22 • VCCI • EN55024 • EN50082-1 • EN61000-6-1 • EN61000-3-2 • EN61000-3-3 Telecom • SONET: GR-253 and ANSI T1.105 • SDH: ITU G.707, G.783, G.825, and G.957
Environmental Specifications	• Operating temperature: 41 to 104 ° F (5 to 40 ° C) • Storage temperature: -38 to 150 ° F (-40 to 70 ° C) • Operating humidity: 5 to 85% relative humidity • Storage humidity: 5 to 95% relative humidity