Refurbished Cisco Serial X.21 8 Port FDX Adapter for Cisco 7200 Family Routers X21

Cisco Serial X.21 8 Port FDX Adapter for Cisco 7200 Family Routers X21

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Cisco Serial X21 X.21 8 Port FDX Adapter for Cisco 7200 Family Routers

Specifications
Product Description	Cisco – Expansion module – serial
Device Type	Expansion module
Form Factor	Plug-in module
Connectivity Technology	Wired
Data Transfer Rate	2 Mbps
Data Link Protocol	Serial
Status Indicators	Port status
Features	Full duplex capability
Interfaces	8 x serial – X.21 – 200 pin Molex LFH – 1
Compatible Slots	1 x expansion slot

The PA-8T-X21 provides up to eight synchronous serial interfaces for the Cisco 7000 family routers and the Cisco uBR7200 series routers. PA-8T-X21 network interfaces provide a direct connection between the high-speed bus in the router and external networks. Each PA-8T-X21 interface provides full-duplex (FDX) operation at T1 (1.544 Mbps) and E1 (2.048 Mbps) speeds. The X.21 interface is commonly used in the United Kingdom to connect to public data networks.All eight PA-8T-X21 interfaces connect to external networks through a single port that has a 200-pin, D-shell receptacle. You must use an X.21 compact serial cable to connect PA-8T-X21 interfaces to an external data service unit (DSU) or channel service unit (CSU). The compact serial cable attached to the single receptacle determines the mode (DCE or DTE) for all eight interfaces

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Before it leaves our facility, every used and refurbished item is thoroughly inspected by our certified technicians and undergoes our exclusive Quality Inspection Checklist to ensure 100% satisfaction guarantee.

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Questions?
For more information please contact 888.333.7388, or fill out the quote from above. We’d love to hear from you.