Nortel QMT7 ADM Manual page 27

Table 1
ADM controls and indicators
Controls and indicators
DATA key
Lamp
MODEM CONTROL key
Lamp
DATA SHIFT key
Lamp
RESET
CONNECT lamp
RECEIVE lamp
SEND lamp
POWER lamp
Definition
Data DN key—used for originating and answering data calls
Data DN lamp—indicates the call state of DDN:
ON—active call
OFF—idle
WINK—incoming call
Used during call setup to a remote device
Indicates MODEM CONTROL key status:
ON—modem in use
OFF—no modem in use
WINK—modem reserved
Used to shift companion SL-1 telephone from voice mode to
data mode; feature-key activations made on an SL-1
telephone during data mode then relates to the DDN
Indicates the activation of DATA SHIFT key and operating
mode of SL-1 telephone:
ON—SL-1 set in data mode
OFF—SL-1 set in voice mode
Located on the rear of vintage B and later ADM—used to
effect initialization
Indicates if a connection is established with a called ADM:
ON—connection established
OFF—no connection
Indicates if the ADM is receiving data from the called facility:
ON—ADM receiving data (flashes at data rate)
OFF—ADM not receiving data
Indicates if the ADM is transmitting data to the called facility:
ON—ADM sending data (flashes at data rate)
OFF—ADM not sending data
Indicates if local power is being supplied to the ADM:
ON—power up
OFF—power down
Equipment description
Meridian Data Services
Page 27 of 80
Description