XtendLan XL-FMUX4E1T User Manual - page 9
DIP SW1-8
ON/OFF
It switches the alarm display of fourth E1 channel. When it is set ON, the
LED CH4 will indicate the loss of E1 input signal. When it is set OFF, the
LED CH4 will be shut off, and doesn’t
Indicate the loss of E1 input signal even if the tributary occurs alarm. When
the equipment is operating in normal, it is at OFF.
RALARM
LOCAL
(UP)
The LEDs indicate alarm of local terminal.
REMOTE
(DOWN)
The LEDs indicate alarm of remote terminal. In this situation, the LEDs of
local terminal will indicate alarms the same as remote terminal. When the
terminal is operating in normal, it is at LOCAL (UP) position.
MUTE
ON (UP)
Buzzer works normal. Buzzer will sound when the terminal occurs
alarm. When the terminal is operating in normal, it is at ON (UP) position.
OFF
(DOWN)
Buzzer will be shut off even if there is any alarm.
CALL
OFF
(UP)/
ON
(DOWN)
When it is in ON (DOWN) position, the terminal will send a signal to remote
terminal, and remote terminal will ring to indicate a call from opposite. When
the switch of remote terminal is set to ON, the ring will stop and operators
can talk each other by 4-wire handset.
POWER
OFF
Turn off the power
SWITCH
ON
Turn on the power
PHONE
RJ-11 connector uses to connect a 4-wire handset to provide
communication service.
Loop back status
Loc a l loop b a c k Rem ote loop b a c k
E1 s
E1 s
E1 s
E1 s
Fib er c a b le