Aastra OpenCom 131 User Guide - Page 151
Cascaded PBX system OpenCom 130
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PBX Cascading Functionality of PBX Cascading The PCM port is on the add-on module of the OpenCom 130. You must therefore install an add-on module in each of the two PBXs before they can be cascaded. ■ Administration data: one CAT-5 Ethernet lead. - In the case of an OpenCom 130, connect the LAN2 port of the master system's add-on module with a LAN2 port of the slave system's add-on module. - In the case of an OpenCom 150, connect the LAN1 port of the master system with a LAN1 port of the slave system. Basic module PBX 1 (Master) Add-on module LAN PCM LAN1 LAN2 LAN0 Basic module PBX 2 (Slave) Add-on module LAN PCM LAN1 LAN2 LAN0 Voice data lead (eight pins assigned, joined 1 to 1) Hub/Switch (in LAN of company) Cascaded PBX system (OpenCom 130) CAT-5 Ethernet lead PBX 1 (Master) PBX 2 (Slave) PCM1 PCM2 LAN0 LAN1 PCM1 PCM2 LAN0 LAN1 Voice data lead (eight pins assigned, joined 1 to 1) CAT-5 Ethernet lead Cascaded PBX system (OpenCom 150) Hub/Switch (in LAN of company) 149