Aastra OpenCom X320 User Guide - Page 48
a/b ports, Connecting a UAE socket to a U
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Installation red wire black wire 1 Upn port 8 7654321 Port assignment, termination, cable length system phone ESC OK i ABC 1 2 ABC 3 DEF C 4 GHI 5 JKL 6 MNO 7 PQRS 8 TUV 9 WXYZ -+ * 0 # R or base station 4 x cable: max. 1000 m If you connect a base station to a Upn-port, four calls can be made simultaneously through this base station using mobile DECT devices. Connecting a UAE socket to a Upn port A DECT base station's double connection can also be made using a UAE connection socket. base station 8 x 8 7654321 2 Upn ports cable: max. 1000 m If you connect a base station to two Upn-ports, eight calls can be made simultaneously through this base station using mobile DECT devices. Connecting a UAE socket to a 2 Upn port 3.9.3 a/b ports The a/b ports are for operating analogue devices (e. g. fax, modem or analogue telephone). The maximum permissible length of the cable is 1,000 m, where a twinwire 0.6 mm cable (with twisted wire pairs) is used. You can then use devices for voice or data communication which use pulse dialling, or devices which use pulse or DTMF dialling, including: 46