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58 ICX-250 Diagnostics Testing
ADCP-62-023 Issue 1, September 1998
© 1998, ADC Telecommunications, Inc.
Data Port 1 and 2 - Loopback
(
Slide switches - front
)
ICX-250 - Front Panel
Description:
This is a three position slide switch used for Data Port 1 and 2 to receive and transmit
T1 loopback information.
Factory Setting:
OFF
Local:
Breaks the receive signal on the network side between the Data Port (1 or 2) and the T1
interface and loops the Data Port (1 or 2) transmit signal onto the receive side.
Network:
Breaks the transmit signal on the network side between the Data Port (1 or 2) and the T1
interface and loops the Data Port (1 or 2) receive signal onto the transmit side.
ICX-250
1357911131517192123
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.
Data Loop 1
Lcl. Off Net
Data Loop 1
Lcl. Off Net
Data Loop 1
Lcl. Off Net
Data Loop 2
Lcl. Off Net
Data Loop 2
Lcl. Off Net
Data Loop 2
Lcl. Off Net
LOCAL
1 / Off / 2Off / QRSS
T1 Status
T1 Loop
Test Pattern
Test Pattern
T1 Test
Self Check
11281-A
OFF NETWORK
LOCAL OFF NETWORK