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20 Configuring the ICX-250 Setup and Configure the ICX-250
ADCP-62-023 Issue 1, September 1998
© 1998, ADC Telecommunications, Inc.
Setup and Configure the ICX-250
To configure the ICX-250 for your operating environment, switch settings
are easily accessible. There are internal and external control dip and slide
switches.
Switches
The ICX-250 unit is equipped with internal and external DIP switches.
The following table describes the switches that are used to configure the
ICX-250 for operation. Refer to the silkscreen on the cover of the unit for
location of switches. Parenthetical references indicate the page number
that detail the operation.
The bold highlighted selection under “Options” is the Factory Setting.
Function Switch
Switch
Location
Option Description
FXS PORTS:
FXS Supervision
Mode
(for entire bank of 12
lines)
(see page 23)
S6, S7
positions 1 and 2
Internal FXS
FXS-DN
FXS-DN-Wink
TR-08
FXS: Foreign Exchange Sub-
scriber.
FXS-DN: Foreign Exchange
Subscriber-Defined Network.
FXS-DN-WINK: Foreign
Exchange Subscriber-Defined.
Network-Wink Start Operation.
TR-08: Frame Format Signaling
and Data Link as outlined in TR-
TSY-000008 Mode 1 for circuits
using AT&T Subscriber Loop
Carriers (SLC-96) facilities.
FXS Supervision
Type (for entire bank
of 12 lines)
(see page 24)
S6, S7
positions 3, 4 and 5
Internal Loop Start
Single Party
Ground Start
Ground Start
Automatic
Ground Start
Immediate
Universal Voice
Grade
Universal Voice
Grade Automatic
Loop Start-For-
ward
Disconnect
Loop Start: Used with traditional
telephone stations and simple PBX
trunks.
Single Party: SLC-96 Single Party
Service.
Ground Start: Used with two-way
PBX trunks.
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.
Universal Voice Grade: Toll
quality voice for SLC-96.
Universal Voice Grade Auto-
matic: Used with some non-Bell
switches.
Loop Start-Forward Disconnect:
Provides disconnect when FXS
is connected to voice messaging
system.