Paradyne Comsphere 3920Plus Installation And Operation Manual page 39

Label Color
Pwr green
Alrm red
Diag green
(3920Plus
only)
Test/142 yellow
Dial yellow
RI/125 green
(3921Plus
only)
Busy yellow
(3921Plus
only)
Serv yellow
(3921Plus
only)
SQ yellow
Rate yellow
(3920Plus
only)
Front Panel yellow
(3921Plus
only)
3920-A2-GN31-10
Table 3-1
(1 of 2)
Model 3920 Plus and Model 3921 Plus DCP LEDs
Power has been applied to the modem.
Flashing – A major alarm has been detected in a remote 392x Plus modem.
ON – A major alarm has been detected in the local modem. (For Health and Status
alarm conditions, refer to Table 3-6 in the Device Health and Status section of this
chapter.)
The modem is receiving diagnostic communications (either a command or a status poll).
Flashing – The modem is involved in a firmware upgrade. Normal operation is not
possible.
ON – The modem is involved in a test. Normal operation is not possible.
OFF – The modem is not involved in a test or firmware upgrade.
Flashing – The modem is attempting to establish a call over the dial network, or the
modem is in Dial Standby mode.
ON – The modem has established a dial connection.
OFF – A dial connection does not exist.
A ringing signal is being received.
The modem is placed in a forced busy condition and is off-hook.
The modem's dial line is connected to the carrier service line rather than the normally
assigned dial network.
The receive telephone line signal is degraded or the modem's data path has been
blocked (SQ flashes).
ON – The modem is connected at a data rate lower than the data rate it is configured for.
OFF – The modem is connected at its configured data rate.
The modem is connected to the carrier's SDCP.
April 1995
Indicates
DCP Operation
3-5