9
Chapter 1 - Introduction and Description
Channels 1 and 2
V35 V.35 Interface. This indicator lights when the channel is configured for a V.35 interface.
XMT Transmit. This indicator blinks when the channel is receiving data to be transmitted on
the link or over IP.
RCV Receive. This indicator blinks when the channel is transmitting data received from the
link.
Channels 3 through 10
XMT Transmit. This indicator blinks when the channel is receiving data to be transmitted on
the link or over IP.
RCV Receive. This indicator blinks when the channel is transmitting data received from the
link.
Voice/Fax Channels 1 - 8
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.