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The Cisco 2-Port Channelized E1/T1/ISDN-PRI HWIC combine multiple T1/E1 WAN connectivity- Channelized T1/E1 and ISDN Primary Rate Interface (PRI), in ..

This is a 2 Port Channelized T1/ISDN-PRI Module, with integrated CSU, for Cisco 3600 and 2600 series (takes one router slot)...

The Cisco I-Flex approach combines shared port adapters (SPAs) providing an extensible design that enables service prioritization for data, voice, and..

The combination of channelized and clear channel T3 functions makes the Cisco 2-Port Channelized T3 SPA ideal for today's rapidly changing WAN environ..

The Cisco 2-Port Clear Channel T3/E3 Shared Port Adapter combines shared port adapters (SPAs) and SPA interface processors (SIPs), leveraging an exten..

Nortel NT5B26GA 2-Port Expansion Cartridge CopperEnhance your Nortel communication system's connectivity and capacity with the Nortel NT5B26GA 2-Por..

Unlock High-Speed Connectivity for your CompactPCI System with the Nokia NIF4221FRU 2-Port Copper Gigabit Ethernet CardEnhance your CompactPCI (cPCI..

Nortel NTBK51AA 2-Port D-Channel Handler Card / DCHI Daughter BoardUnlock enhanced data communication capabilities for your Nortel network with the ..

StarTech.com's ISA-based RS232 Serial Card (16550 UART) can be installed in an ISA motherboard slot to add two RS232 serial COM ports, with support fo..

Two-port DID (Direct Inward Dial) voice/fax interface card Spare Direct Inward Dialing (DID) is a service offered by telephone companies that enables ..

Panasonic KX-TVA503 2-Port DPT Interface Expansion Card The KX-TVA503 is a compact, high-performance expansion card designed to add dual Digital Priva..