9
Chapter 1 - Introduction and Description
Voice/Fax Channels 1 - 8
Note: the Voice/Fax Channels are not currently supported.
FXS Foreign Exchange Station. This indicator lights when the voice/fax channel is configured
for FXS operation.
FXO Foreign Exchange Office. This indicator lights when the voice/fax channel is configured for
FXO operation.
E&M Ear & Mouth Operation. This indicator lights when the voice/fax channel is configured for
E&M operation.
FAX Fax. This indicator lights when there is fax traffic on the voice/fax channel.
XMT Transmit. This indicator lights when voice or fax data is being transmitted.
RCV Receive. This indicator lights when voice or fax data is being received.
XSG Transmit Signal. This indicator lights when the FXS-configured channel is off-hook, the
FXO-configured channel is receiving a ring from the telco, or the M lead is active when the
voice/fax channel is configured for E&M operation (i.e., the MultiFRAD is receiving a ring
from the PBX).
RSG Receive Signal. This indicator lights when the FXS-configured channel is ringing, the FXO-
configured channel is off-hook, or the E lead is active on the E&M-configured channel.