Hardware Installation Manual 5. Cabling the Device
Media Gateways & SBCs 47 Mediant 1000B Gateway & E-SBC
5.3.2 Connecting to FXO Interfaces
The procedure below describes how to connect the FXO port interfaces to telephone
exchange analog lines or PBX extensions.
Warnings:
• To protect against electrical shock and fire, use a 26 AWG min wire to connect FXO
ports to the PSTN.
• Make sure that FXO ports are connected to the appropriate external devices;
otherwise, damage to the device may occur.
• FXO ports are considered as TNV-3.
Avertissements:
• Pour vous protéger contre l’électrocution et le feu, utilisez un fil de 26 AWG au
minimum pour connecter le port FXO au PSTN.
• Assurez-vous que le port FXO soit connecté à un appareil externe approprié ;
autrement, vous risquez d’endommager l’appareil.
• Le port FXO est considéré être un TNV-3.
Note: The FXO module is a customer ordered item. This section is applicable only if your
device is installed with such a module.
5.3.2.1 Indoor FXO Cabling
The following procedure describes how to cable FXO ports for indoor routing.
Cabling specifications:
Cable: Standard straight-through RJ-11-to-RJ-11 telephone cable
Connector: RJ-11
Connector Pinouts:
Figure 5-9: RJ-11 Connector Pinouts for FXO
To connect FXO interfaces for indoor routing:
1. Connect one end of the straight-through RJ-11 cable to the RJ-11 port on the FXO
module.
2. Connect the other end of the cable to an RJ-11 telephone wall outlet or PBX.