Table of Contents
Advertisement
Table 14-1 lists the LEDs and describes their function.
LED
Power
Status
SHDSL Link
Ethernet Link
E1/T1
ALARM
E1/T1
SIGNAL
Error
Tx
Rx
DSR
DTR
CTS
DCD/I
RTS/C
MTCE
Note
(1)
E1/T1 circuit emulation versions only
Speed Touch 591s Technical Practices
February 2001
90-8785-01
Figure 14-4 Back view of the E1 CE version
Network Port
Power
Table 14-1 LEDs on the Speed Touch 591s
Color
Description
Solid green
The Speed Touch 591s is switched on.
Solid green
The Speed Touch 591s is operational.
Flashing green
The Speed Touch 591s is starting up.
Solid green
The port is connected.
Flashing green
The port is searching for a connection.
—
Not used
Red
A local alarm has been raised on the E1/T1 port.
(1)
Yellow
A remote alarm has been raised on the E1/T1 port.
Off
No alarms have been raised on the E1/T1 port.
Red
The E1/T1 port is out of order (LIS).
(1)
Yellow
The E1/T1 port is receiving an alarm signal (AIS).
Green
The E1/T1 port is receiving data.
Off
The E1/T1 port is disabled.
Flashing yellow
There is an error on the network port.
Solid green
The SHDSL port is transmitting data.
Solid green
The SHDSL port is receiving data.
Solid green
Data Set Ready (always off for X.21).
Solid green
Data Terminal Ready (always off for X.21).
Solid green
Clear to Send (always off for X.21)
Solid green
Data Carrier Detected (V.35/V.36/TIA/EIA-449)
(always off for X.21)
Solid green
Request to Send (V.35/V.36/TIA/EIA-449) or
Control (X.21)
Solid red
Maintenance. The Speed Touch 591s is in test mode.
14 — Troubleshooting
E1
E1
E1
SIGNAL
ALARM
Tx
DSR DTR
CTS
User Port
Rx
DCD/I
RTS/C
MTCE
14637
14-3
Advertisement
Table of Contents
