ADC ICX-250 - Manual (Page 29)

24 Configuring the ICX-250 Switches
ADCP-62-023 Issue 1, September 1998
© 1998, ADC Telecommunications, Inc.
FXS Supervision - Type (DIP switches - internal)
Description: S6 and S7 positions 3, 4 and 5 determine the FXS type. Options are: Loop Start,
Single Party, Ground Start, Ground Start Automatic, Ground Start Immediate, Universal Voice
Grade, Universal Voice Grade Automatic and Loop Start Forward Disconnect.
Factory Setting: LOOP START
Loop Start: Tip and Ring closure used with traditional telephone stations and simple PBX lines.
Loop Start-Forward Disconnect: Provides disconnect when FXS is connected to voice messaging
system.
Ground Start: Used with two-way PBX lines.
Ground Start Automatic: Used with equipment requiring fast-response time to the central
office (CO).
Ground Start Immediate: Used with equipment requiring fast-response time to the station or PBX.
Single Party: Single Part Service for SLC-96.
Universal Voice Grade: Toll quality voice for SLC-96.
Universal Voice Grade Automatic: Used with some non-bell switches.
1 2 3 4 5 6 7 8
ON DIP
S7
1 2 3 4 5 6 7 8
ON DIP
S6
1 2 3 4 5 6 7 8
ON DIP
S17
1 2 3 4 5 6 7 8
ON DIP
S18
1 2 3 4 5 6 7 8
ON DIP
S19
1 2 3 4 5 6 7 8
ON DIP
S14
1 2 3 4 5 6 7 8
ON DIP
S16
1 2 3 4 5 6 7 8
ON DIP
S15
S1 S2 S3 S4 S5
BACK
FRONT
S16
S15
S19
S18
S17
S14
S7 S6
see FXS Supervision Table