Aastra OpenCom X320 User Guide - Page 58
Headset, of the telephone. This symbol on
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OpenPhone 71/73/75: Extensions and accessories for system telephones Headset 1 2 2 This symbol on the system telephone indicates the connector for the keypad extension. It is on the underside 1 of the telephone. This symbol on the keypad extension indicates the con- nector for a further keypad extension. 2 2 This symbol on the keypad extension indicates the connector for the power supply unit and is on the underside of the device. This is the same Underside of the device: keypad extension connector which can be used instead of (left) and system telephone (right) connecting an additional keypad extension. 1. Plug the keypad extension's RJ45 jack into the system telephone's RJ45 socket (1). 2. Screw the keypad extension onto the system telephone (2). 3. Plug the power supply unit's RJ45 jack into the socket provided on the righthand side of the keypad extension. 4. Pass the power supply unit's cable through the recesses provided on the underside of the keypad extension and the system telephone. 5. Connect the power supply unit to the mains power supply. 6. Connect the system telephone with the Upn or ethernet port. 4.3 Headset A headset can be connected to the OpenPhone 71/73/75 system telephones and to the OpenPhone 73/75 IP telephones. The headset must comply with the DHSG standard (connection via RJ45 jack). The manufacturers Plantronics and GN Netcom make devices suitable for this purpose. Alternatively, you can connect a "normal" headset (RJ11 jack) using an adapter. 56