IBM 3745 Problem Determination Manual page 348

o
o
10
o
o
c
--------------------------------------------------------------------------------- m
ml ddlyy h h:
m m
FUNCTION ON SCREEN: WRAP TEST
WRAP TEST START
LINE ADDRESS: 0
LCD 9: SDLC
TYPE:CNTRL LEVEL: MODEM
CNTRL PGM:NCP LlC TYPE: 3
- ENTER NUMBER OF WRAPS (1-255) OR P
=
=
>
P
=
PERMANENT WRAP
- SELECT APPROPRIATE TEST ON THE MODEM
m
THEN PRESS SEND TO START THE WRAP
="== >
F1:END F2:MENU2 F3:ALARM F5:CANCEL
Press the following keys:
CD
~
to perform 10 wraps.
Wrap Test
Field
EJ
indicates what to do according to the wrap level" selected on the screen of
the page 16-3.
Modem level:
• Take appropriate actions on the modem to put it in loop back.
• (-I
SEND
I
to start the test.
• Go to step 11:
Tailgate level:
1. FIRST, remove the corresponding L1C cable at the wall socket.
2. Remove the corresponding L1C cable from the tailgate.
3. Plug the "wrap plug into the tailgate.
Refer to Appendix C of this book for identification of L1Cs -and wrap plugs.
To locate the L1C on the machine, refer to the 3745 Connection and Integration
Guide. "
4. (
I
SEND)
to start the test.
5. Go to step 11.
Note:
In order to test the LlC3 card, it is necessary to reverse the L1C3 wrap cable
after the first test pass, then run the test again.
Chapter 16. Wrap Test
16-5