Features	Descriptions
Product compatibility	Cisco ASR 1000 Series Routers (CE mode only) Cisco 7600 Series Routers Cisco XR 12000 Series Routers
Port density per SPA	24-ports of Channelized T1/E1/J1
Physical interface	24-port T1/E1/J1 cable Visual status indicators (LEDs): • SPA status LED • Per-port LEDs • Carrier and alarm • Active and loopback
Protocols	Circuit Emulation • IETF RFC 4553 (SAToP PWE) • IETF draft-ietf-pwe3-cesopsn-07 (CESoPSN PWE) ATM • 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
Features and functions	Circuit Emulation • MPLS encapsulation for CESoPSN and SAToP PWE transport • 320 ms jitter buffer • T1/E1 and nxDS0 CEoP PWEs • Maximum of 24 T1/E1 or J1 ports or 191 nxDS0 groups • Jitter and wander compliant to G.823/G.824 traffic interface • synchronous, differential or adaptive clock recovery modes • Targets 15ppb or better adaptive clock recovery accuracy • BITS support • Configurable clock source ATM • CBR • VBR-nrt • VBR-rt • UBR and UBR + • Maximum virtual circuits: 2,000 (subject to overall configuration limitations) • ATM and IP CoS • Per-virtual circuit and per-virtual path traffic shaping • Per- virt ual circuit and per-virtual path statistics • PWE3 support • ATM permanent virtual circuits (PVCs) and switched virtual circuits (SVCs) • F4 and F5 OAM cell support • Interim Local Management Interface (ILMI) 1.0 • Layer 2 transport and Layer 3 termination on the same port • ATM over MPLS • IMA
Telecommunication Interface Industry Standards (T1)	Data rate to 1.536 Mbps per port • Impedance: 100 ohms • D4 Super Frame (SF) or Extended Super Frame (ESF) framing • Alternate mark inversion (AMI) or binary 8-zero substitution (B8ZS) line encoding • ANSI T1.403 and AT & amp; T TR 54016 Facility Data Link (FDL) • Selectable T1 CSU line build-out (LBO): 0, -7.5, - 15, and -22.5 dB • Selectable T1 CSU receiver gain: 26 or 36 dB • Alarm monitoring: • Alarm indication sig nal (AIS) • Out of frame (OOF) • Far-end alarm failure (yellow or distant alarm ) • Performance data collection: • CRC and bit errors • Framing bit errors • Line errored seconds • Far-end errored seconds • Far-end severely errored seconds • Far-end unavailable seconds • Line coding violation (LCV) • TIA-968-A (US requirement, formerly known as FCC Part 68) • G.703 • G.704 • G.824 • CS-03 (Canada) • T1 .403 • GR-499
Telecommunication Interface Industry Standards ( E1)	Data rate to 2.048 Mbps (unframed mode) or 1.984 Mbps (framed mode) per port • Impedance: 120 ohms ( adapter cable offers 75-ohm configuration option) • Unframed E1, CRC4, or non-CRC4 framing • High -density bipolar with three zeroes (HDB3) line encoding • Alarm monitoring: • AIS • OOF • Remote alarm indication (RAI) • Performance data collection : • CRC and bit errors • Framing bit errors • Far-end block error (FEBE) • LCV • G.703 • G.704 • G.706 • G.823 • TBR 4, 12, and 13 (Europe) • ACA S0 16 (Australia)
Network management	Simple Network Management Protocol (SNMP)
Reliability and availability	Online insertion and removal (OIR) 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	24-Port T1/E1/J1 = 20W
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
Compliance and agency approvals	Safety • UL/CSA 60950-1 • IEC/EN 60950-1 • AS/NZS 60950.1 EMC • FCC Part 15 (CFR 47) • ICES 003 • CISPR 22 • AS/NZS CISPR22 • VCCI • EN55022 • EN55024 • EN300 386 • EN50082-1 • EN61000-6-1 Network Equipment Building System (NEBS) This product is designed to meet the following requirements (official qualification may be in progress): • SR-3580-NEBS: Criteria levels (Level 3 compliant) • GR-63-CORE-NEBS: Physical Protection • GR-+1089-CORE-NEBS: EMC and Safety