Alcatel Speed Touch 591s, Technical User'S Manual

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14 — Troubleshooting
14-2 Speed Touch 591s Technical Practices
90-8785-01 February 2001
14.1 LED activity
All versions of the Speed Touch 591s have five LEDs on their front panel. The frame
relay and V.35/X.21 CE versions have eight LEDs on their back panel, and the T1
and E1 circuit emulation versions have ten LEDs on their back panel. Figures
14-1 to 14-4 show the front and back panels of the various versions of the
Speed Touch 591s.
Figure 14-1 Front view of the Speed Touch 591s
Figure 14-2 Back view of the frame relay and V.35/X.21 CE versions
Figure 14-3 Back view of the T1 CE version
15138
Speed Touch
Power Status Link Error Link
SHDSL Ethernet
Ethernet Serial
14636
Tx DSR DTR CTS
DCD/I Rx RTS/C MTCE
Power
Network Port
User Port
14645
Tx DSR DTR CTS
DCD/I Rx RTS/C MTCE
Network Port
Power
T1
T1
ALARM
T1
SIGNAL
User Port