User`s guide

DL3100 Technical Specifications A-7
A
Fan Filter
The fan Þlter should be inspected annually (at a minimum) and cleaned, if
necessary. The Þlter can be cleaned with soap and water. If replacement
Þlters and mounting clips are needed, they are available from Digital Link,
part number DL1100.
Front Panel LEDs and Connectors
Figure A-1 shows the DL3100 front panel LEDs, buttons, and connectors.
Figure A-1 DL3100 Front Panel LEDs and Buttons
Table A-12 deÞnes the LEDs, buttons, and connectors found on the DL3100
front panel. For more information about the front panel operation, refer to
Chapter 7, ÒUsing the Front Panel Interface.Ó
Table A-12 Front Panel LEDs, Buttons and Connectors
LED/Button Status Significance/Function
TEST Red Loopback or test is in progress
STAT
END
TEST
TEST
EXIT
ENTR
INS TEST TD RD TA CA INS TEST TD RD TA CA
RTS CTS DTR
T3
INS ALM RED YEL BLU BPV PAR
SEND
MON
RCV
MON
3100 DIGITAL SERVICE MULTIPLEXER
INS TEST TD RD TA CA
RTS CTS DTR RTS CTS DTR
TST DTE
GR502
Test LED indicates that a
test is in progress
Data Port LEDs
Keypad buttons Network LEDs
Monitor Jacks