IBM 3745 Problem Determination Manual page 312

o
o
o
o
o
Line Problem (HSS)
C is OFF:
Perform a tailgate wrap test (see Chapter 16). Then return here to analyze the results.
Tailgate Wrap Test Results - - - - - - - - - - - - - - - - - - - - - - - - - - - - ,
•
Te~t
not successful:
CO
• Test successful: Check the network status with the network operator. 'If it is operational,
suspect the host software.
, ~
C is ON and lis OFF:
Check that the remote control unit and the modems are ready and
operational. If they are, perform a tailgate wrap test (see Chapter 16). Then return here to analyze
the results.
Tailgate Wrap Test Results - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - .
• Test not successful:
CO
• Test successful, check:
DCE (modem and link tests are described on page 9-30).
DCE cable.
C and I are both ON:
Check that the remote control unit is ready and operational. If it is, perform
a tailgate wrap test (see Chapter 16). Then return here to analyze the results.
Tailgate Wrap Test Results - - - - - - - - - - - - - - - - - - - - - - - - - - - - ,
• Test not successful:
CO
• Test successful, check:
DeE.
Remote control unit. Perform appropriate remote control unit tests.
The network status with the network operator.
Network.
Chapter 10. Line Problem (HSS)
10-9