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RJ-21 |
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RJ-21(Registered Jack-21) An Ethernet cable that uses a 50-pin Telco connector on one end and branches out to 12 RJ-45 connectors on the other. See 50-pin Telco connector. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The easy-to-deploy EE Splitter has three RJ-21 ports for connection between the EE Switch, PBX and patch panel. A single-slot 48-port 10/100 Ethernet RJ-21 Telco based 1p, temperature monitor/alarm, firmware updates via TFTP, modular port for WAN ingress via copper or fiber, copper-based Ethernet uplink ports with auto negotiation, voice-line input via two RJ-21 teleco connectors and short-to-POTS feature. |
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