Aastra OpenCom 130 User Guide - Page 55
DSL Port, OpenCom 130
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Installation Port Assignment, Termination, Cable Lengths A LAN line (twisted-pair line in accordance with 10BaseT or 100BaseTX) can be up to 100 m long. Secure operation with 100 Mbit/s requires the use of category 5 lines and line sockets. Use a shielded Ethernet cable (STP cable, Shielded Twisted Pair cable). 3.10.6 DSL Port External DSL modems can be connected via the LAN port. In the case of the OpenCom 100, the output of the DSL modem (NTBBA) is led to the LAN port of the OpenCom 100 via an external switch or hub. The router subsequently converts the PPPoE protocol to the TCP/IP protocol of the LAN. TAE OpenCom DSL & Uk0 DSL S0 Net Splitter TCP/IP & PPPoE DSL Uk0 NTBA S0 PC DSL Modem Crosslinked twisted pair cable PPPoE Hub TCP/IP Net Connecting the OpenCom 100 to the network via ISDN and DSL Connection of the DSL modem is via a crossover twisted-pair line. You can also use a switchable port on the hub, which is usually indicated by an "X". Note: If an expansion module is installed in an OpenCom 130, you can also use the unused LAN2 port to activate the DSL modem. Due to the "auto-crossover" function, you do not require a cross-wired line with a LAN port of the expansion module. If you are operating this OpenCom 130 as a slave system in a cascaded PBX, the LAN0 port on the expansion module of the slave system can be used instead (see PBX Cascading starting on page 148). 53