Paradyne 7123 User Manual page 75

Table 5-2.
Table 5-3.
7123-A2-GB20-00
Network Interface LEDs
Label Indication
SIG Signal
OOF Out of Frame
ALM Alarm
User Data Port LED
Label Indication
TXD Transmitted
Data
RXD Received Data
RTS Request to Send Green
DTR Data Terminal
Ready
OK Operational
Status
September 2001
Color What It Means
Green ON – A recoverable signal is present on the
network interface.
OFF – The signal cannot be recovered from the
network interface. An LOS condition exists.
Yellow ON – At least one OOF was detected during the
sampling period.
OFF – No OOFs were detected during the
sampling period.
Yellow ON – An alarm condition is present on the
network interface.
Current alarm conditions:
T
Alarm Indication Signal (AIS)
T
Excessive Error Rate (EER)
T
Loss of Signal (LOS)
T
Loss of Frame (LOF)
T
Out of Frame (OOF)
T
Yellow Alarm Signal
OFF – No alarm condition is present on the
network interface.
Color What It Means
Green ON – Receiving a 0 from the DTE.
OFF – Receiving a 1 from the DTE.
Green ON – Sending a 0 to the DTE.
OFF – Sending a 1 to the DTE.
ON – DTE is activating a control signal to
indicate readiness to transmit data.
Green ON – DTE is activating a control signal to
indicate readiness for operation.
(No ON – The interchange circuits for the port are in
LED) the correct state to send and receive data.
OFF – The port is idle.
5. Operation and Maintenance
5-5