Led Indicators - Multitech MultiModemISDN MTA128ST-USB User Manual

LED Indicators

The ten LED indicators on the front panel (see Figure 2-4) of the MTA128ST-USB report
status and line activity.
TD
RD
LS
B1
B2
TR
OH
128
MTA128ST-USB
USB ISDN Modem with Analog Port
TD RD LS
Figure 2-4: Front Panel
Transmit Data
Flashes when data is being transmitted (on for a space, off for a mark).
Receive Data
Flashes when data is being received (on for a space, off for a mark).
Power
Lights when the unit is turned on.
Bearer Channel 1
When lit, indicates active data or voice connection on bearer channel 1.
Bearer Channel 2
When lit, indicates active data or voice connection on bearer channel 2.
Terminal Ready
Lights to indicate that the computer is communicating with the MTA128ST-
USB, so the MTA128ST-USB can answer an incoming call.
Off Hook
Lights when analog equipment on AUX port is active or off-hook.
128 Kbps
Lights to indicate that the B channels have been multiplexed into a single
128 Kbps communications link.
Chapter 2 - Hardware Installation
B1 B2 TR OH 128 P1 P2
15