Hardware Installation Manual 50 Document #: LTRT-10236
Mediant 800 MSBR
To connect the FXS interfaces:
1. Connect one end of an RJ-11 cable to the FXS port (labeled FXS).
Figure 5-22: Connecting FXS Interfaces – Mediant 800B MSBR
Figure 5-23: Connecting FXS Interfaces – Mediant 800C MSBR
2. Connect the other end of the cable to the required telephone interface (e.g., fax
machine, dial-up modem, and analog POTS telephone).
5.4.2 Connecting FXO interfaces
The procedure below describes how to cable the device's FXO interfaces.
Notes:
• FXO is applicable only to Mediant 800B MSBR.
• FXO interface is a separate orderable item.
• FXO is the interface replacing the analog telephone and connects to a Public
Switched Telephone Network (PSTN) line from the Central Office (CO) or to a Private
Branch Exchange (PBX). The FXO is designed to receive line voltage and ringing
current, supplied from the CO or the PBX (similar to an analog telephone). An FXO
VoIP device interfaces between the CO/PBX line and the Internet.
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