Alcatel Speed Touch 591s, Technical User'S Manual

Page: 141 / 184

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