Aastra OpenCom 131 User Guide - Page 51
IAE = ISDN socket German: ISDN Anschluss Einheit or an ISDN terminal.
View all Aastra OpenCom 131 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 51 highlights
Installation Port Assignment, Termination, Cable Lengths In the case of the OpenCom 100, the S0 buses are terminated by software. You make this setting in the S0 port configuration in the Configurator on the Web console. You can connect up to eight terminals on every internal S0 bus; up to three of the terminals can operate without an external power supply. The length of the fourwire cable of an internal S0 bus must not exceed 150 m. The power consumption of each internal S0 bus is approx. 2 W. S0 Ports on Interface Cards OpenCom R TR IAE IAE The S0 bus is terminated at one end by the OpenCom 100. IAE = ISDN socket (German: "ISDN Anschluss Einheit") or an ISDN terminal. TR = terminating resistor, the S0 termination. The TR must be at the termination of the line. This can also be done by an appropriately wired IAE. OpenCom R TR IAE TR IAE The S0 bus is terminated by the TR at the ends. 1a TR 1b 2a TR 2b Termination on an ISDN socket 49