Cisco SPA-8XCHT1/E1 Cisco Shared Port Adapter (SPA)

Brand: Cisco | Category: Accessories & Components

SKU: CSC-SPA-8XCHT1E1 | Part #: SPA-8XCHT1/E1 | MPN: SPA-8XCHT1/E1

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When you need to extend T1 and E1 connectivity across your Cisco routing infrastructure, the Cisco SPA-8XCHT1/E1 is a single-slot Shared Port Adapter that delivers eight independently configurable ports for channelized legacy and modern telecommunications interfaces. This is the module that network engineers reach for when consolidating voice, data, and ISDN circuits onto a unified platform without adding external line cards or managing separate interface modules. The part number SPA-8XCHT1/E1 appears across enterprise WAN deployments, service provider edge routers, and telecommunications labs throughout the GCC and Asia-Pacific regions where T1/E1 retirement timelines remain gradual and mixed-mode networks are the norm.

The Cisco Shared Port Adapter format itself defines a major advantage: you install it once into a compatible SPA slot on your Cisco ASR, CRS, or ISR platform and gain eight T1 or E1 ports on demand. Each port runs independently, meaning you can configure Port 1 as a T1 line carrying PPP traffic while Port 2 operates as an E1 channel relay link, Port 3 handles ISDN PRI signaling, and the remaining five ports handle Frame Relay or ATM encapsulation. No external patch panels, no separate line modules fighting for rack space—just Cisco hardware doing exactly what the specification promises. The RJ-48C connectors are industry standard; your cabling infrastructure works without adapters or custom ordering.

Performance and framing flexibility are built in. Each T1 port delivers 1.544 Mbps and supports both ESF (Extended Super Frame) and SF (D4) legacy framing, plus AMI and B8ZS line coding options depending on your carrier requirements. The E1 ports operate at 2.048 Mbps and accommodate CRC4 or unframed modes with AMI or HDB3 coding. Channelization extends down to the DS0 level—64 Kbps granularity—which allows you to split a single T1 or E1 circuit into multiple logical channels and assign them to different VRFs, customers, or services without wasting bandwidth on oversized pipes. ISDN PRI is supported per port, making this adapter equally at home in voice call centers, legacy telephony integration labs, and carrier-grade WAN environments. Cisco IOS and Cisco IOS XE both recognize the SPA-8XCHT1/E1 natively, so software licensing and feature parity remain consistent across your fleet.

Network architects and WAN operations teams rely on this module because it collapses multiple specialized interfaces into one footprint while keeping costs predictable. You avoid the trap of forklift upgrades or expensive parallel infrastructure; instead, you migrate circuits at your own pace, test new encapsulations in parallel with production traffic, and maintain ISDN PRI voice channels on the same hardware that carries your Frame Relay data. The part number SPA-8XCHT1/E1 is recognized across Cisco TAC support workflows, meaning your enterprise maintenance contract covers both the module and its configuration, and genuine Cisco modules are required for TAC eligibility on any support case. That validation chain matters in production environments where downtime costs far exceed hardware expense.

Omnixon Global stocks the Cisco SPA-8XCHT1/E1 for immediate delivery across the UAE and GCC, with established logistics to Asia and Europe. If your network upgrade, migration, or redundancy project calls for channelized T1/E1 capacity on Cisco platforms, we can provide unit pricing, volume discounts, and configuration guidance tailored to your deployment timeline. Contact our enterprise sales team with your part numbers and quantities, and we will issue a formal RFQ within one business day.

Interface and Channelization Specifications

• Eight independently configurable T1/E1 ports, each selectable per-port at time of configuration
• T1 line rate of 1.544 Mbps per port with support for ESF, SF (D4) framing and AMI, B8ZS line coding
• E1 line rate of 2.048 Mbps per port with support for CRC4, unframed modes and AMI, HDB3 coding
• Channelization down to DS0 (64 Kbps) level enabling granular circuit allocation and multi-service convergence
• ISDN PRI capability per port for voice and signaling integration on legacy and hybrid networks
• Support for PPP, HDLC, Frame Relay, and ATM encapsulations across all eight ports simultaneously
• RJ-48C connectors per port, standard in telecommunications infrastructure, eliminating custom cabling