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26
Configuring the ICX-250
FXS Ports (per line) - Transmit / Receive
ON
DIP
S19
1 2 3 4 5 6 7 8
S19
ON
DIP
S18
1 2 3 4 5 6 7 8
S18
ON
DIP
S17
1 2 3 4 5 6 7 8
S17
S7
ON
S7
1 2 3 4 5 6 7 8
S5
S4
Description: These are eight position DIP switches used to set Transmit and Receive FXS
attenuation (TLP Setting).
Factory Setting: 3 dB (OFF) The DIP switch layout shown above is an example using 3 dB of
attenuation on the Transmit side (positions 2,4,6,8 off) and 9 dB on the Receive side (positions
1,3,5,7 on). If it is necessary to change the Transmit setting to attenuate the line by 9 dB, the related
switch position(s) would be set to the "On" setting. Receive side settings would be changed from
9 dB to 3 dB by moving the related switch position to "Off." See the chart on page 27 for more detail
on the switch settings. 3dB: Transmit / Receive path will be attenuated by 3 dB (+/
Transmit / Receive path will be attenuated by 9 dB (+/
ADCP-62-023
© 1998, ADC Telecommunications, Inc.
( DIP switch - internal )
FRONT
ON
DIP
1 2 3 4 5 6 7 8
S16
ON
DIP
1 2 3 4 5 6 7 8
S15
ON
DIP
1 2 3 4 5 6 7 8
S14
S6
DIP
ON
DIP
S6
1 2 3 4 5 6 7 8
S2
S3
BACK
–
!!ATTENTION!!
repeated for each of the 12 or 24 lines.
S16
S15
S14
FXS Ports
4
3
2
1
Receive
Attenuation
9 dB
ON
DIP
(or Loss)
1 2 3 4 5 6 7 8
3 dB
Transmit
4
3
2
1
Loss
FXS Ports
S1
0.5).
The above FXS Port settings are
Issue 1, September 1998
Switches
0.5). 9dB:
–
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