ADC ICX-250 User Manual
Page 63

60 ICX-250 Diagnostics
Testing
ADCP-62-023
Issue 1, September 1998
© 1998, ADC Telecommunications, Inc.
Data Port Test
(Slide switch - front)
ICX-250 - Front Panel
Description: This is a three position slide switch used to connect the Test Generator to the Data
Port (1 or 2) Transmit side.
Factory Setting: OFF
Test Data Port 1: Breaks the transmit and receive paths between Data Port 1 and the receiver and
injects the 2047 pattern onto the transmit path.
Test Data Port 2: Breaks the transmit and receive paths between Data Port 2 and the receiver and
injects the 2047 pattern onto the transmit path.
Off: 2047 function is disabled.
See diagram on page 55.
ICX-250
1 3 5 7 9 11 13 15 17 19 21 23
2 4 6 8 10 12 14 16 18 20 22 24
FXS Status Channel
Data Loop 2
Lcl. / Off / Net.
Data Loop 1
Lcl. / Off / Net.
T1 Loop
Net. / Off / Lcl.
1 / Off / 2
Off / QRSS
T1 Status
T1 Loop
Test Pattern
Test Pattern
T1 T
est
Self Check
11282-A
Test Pattern
1 Off 2
TEST PATTERN 1
Test Pattern
1 Off 2
OFF
Test Pattern
1 Off 2
TEST PATTERN 2