SPA-4XCT3/DS0 - Cisco ASR 9000 Series Shared Port Adapter Overview
SPA-4XCT3/DS0 - Cisco ASR 9000 Series Shared Port Adapter is a genuine edge and wide-area routing product from Cisco, a leading enterprise networking vendor whose Catalyst, Nexus and ISR families power campus, data-center and branch networks worldwide. Belonging to the Cisco ASR 9000 Series family, the SPA-4XCT3/DS0 unit is built to the original factory specification, so it integrates with existing Cisco deployments predictably and behaves exactly as the platform documentation describes. In the network, it is deployed as a standalone unit or as part of a larger managed network, following the standard operating procedures of the platform.
From a specification standpoint, it offers 4 ports for client, server or uplink connectivity. These are the original factory figures for this model, giving administrators a clear picture of what the unit can deliver before it enters service. Standard mounting, cabling and management practices apply, so deployment follows the same procedures as other Cisco hardware already running in the environment.
Typical deployments include branch and campus WAN connectivity, service-provider edge and MPLS deployments, and secure remote-site interconnect. Organizations commonly source it for refresh programs, capacity expansion and spares management, keeping a tested unit on hand so outages stay short and replacements are predictable. The factory detail for this unit reads: “Cisco ASR 9000 Adapter SPA-4XCT3/DS0 4-port Channelized T3 to DS0 Shared Port Adapter”. This makes it a practical choice when original-spec hardware is required at a predictable cost.
Every unit at LinkNewNet is inspected and tested before dispatch, and stock is graded, cleaned and verified for correct operation, including port status, console access and firmware state. Our warranty coverage and responsive technical support protect the purchase after it arrives, and our team can confirm revision levels and software compatibility before you order. For volume requirements we also offer configuration checks and staged delivery options.
Contact our sales team for current availability, lead time and shipping options for the SPA-4XCT3/DS0. We respond quickly with stock status and a firm quote, so you can plan the refresh or expansion with confidence.
Key Specifications
Applications
Enterprise WAN
Branch and campus routing with advanced services.
Service Provider
Edge routing for ISP and MPLS deployments.
Data Center
Interconnect core and aggregation layers reliably.
Buying a Pre-Owned SPA-4XCT3/DS0
Verify the unit is tested, firmware confirmed, and condition documented. Every unit is fully tested and warranty covered. Contact our team for current stock and availability.
SPA-4XCT3/DS0 Specifications | |
Product compatibility | · Cisco 7600 Series Routers · Cisco ASR 1000 Series Aggregation Services Routers · Cisco ASR 9000 Series Routers (4-port only) |
Minimum software version | · Cisco 7600 Series Routers with Cisco IOS® Software Release 15.4(2)S and Cisco IOS XE Software Release 3.12.0.0S · Cisco ASR 1000 Series Router with Cisco IOS XE Software Release 3.12.0, 3.11.2, or 3.10.3 · Cisco ASR 9000 Series Router with Cisco IOS XR Software Release 5.2.0 |
Port density per SPA | 4-port |
Physical interface | · 1.0 and 2.3 RF connectors (75-ohm impedance) · 1.0 and 2.3 RF-to-BNC adapter cable option |
Protocols | Serial encapsulations: · High-Level Data Link Control (HDLC) · Point-to-Point Protocol (PPP), RFC 1662 · Frame Relay, RFC 1490 Multilink support (bundle limit dependent on number of links per bundle; maximum 12 T1 links per bundle) MLPPP, RFC 1990 MLFR, FRF.16 LFI over Frame Relay (FRF.12) and MLPPP |
Features and functions | Up to 4 T3 ports · Up to 112 T1 ports (28 T1 multiplexed onto a single T3) · Up to 1024 n x DS-0 channels (where n is 1 to 24) with no T3 configured · Up to 400 n x DS-0 channels (where n is 1 to 24) with one or more T3 configured · Support for full-rate (clear channel) T3, Channelized T3 to T1, full-rate T1, Channelized T1, and fractional T1 · Integrated DSUs · Internal or line-derived (loop) clocking selectable on each T3 or T1 · Loopback capabilities: ◦ Local and remote loopback at the T3 and T1 levels ◦ Response to embedded loopback commands ◦ Insertion of loopback commands into transmitted signal · Bit-error-rate-testing (BERT) pattern generation and detection per channel ◦ Programmable pseudorandom pattern up to 32 bits long · T3: All 0s, all 1s, 215, 220, 220 Quasi-Random Signal Sequence (QRSS), 223, alternating 0s and 1s, 1-in-8, and 3-in-24 · T1: All 0s, all 1s, 211, 215, 220, 220 QRSS, 223, alternating 0s and 1s, 1-in-8, and 3-in-24 ◦ 32-bit error-count and bit-count registers ◦ Fully independent transmit and receive sections ◦ Detection of test patterns with bit error rates up to 10-2 · 24-hour history maintained for error statistics and failure counts, at 15-minute intervals · 16- and 32-bit cyclic redundancy check (CRC); 16-bit default |
T1-specific features | · Full-duplex connectivity at T1 rate (1.536 MHz) · D4 Super Frame (SF) or Extended Super Frame (ESF) framing · ANSI T1.403 and AT&T TR 54016 Facility Data Link (FDL) support · Alarm monitoring: ◦ Alarm indication signal (AIS) ◦ Out of frame (OOF) ◦ Far-end alarm failure (yellow or distant alarm) · Performance data collection: ◦ CRC and bit errors ◦ Framing bit errors (FERR) ◦ Line errored seconds ◦ Far-end errored seconds ◦ Far-end severely errored seconds ◦ Far-end unavailable seconds |
Reliability and availability | · OIR · Single SPA software reset |
MIBs | · RFC 2495 MIB (DS-1/E1 MIB) · RFC 2496 MIB (DS-3 MIB) |
Network management | Simple Network Management Protocol (SNMP) |
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 | · 2-port: 11.3W maximum · 4-port: 13.2W maximum |
