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Diagnostics
How to Run the Channel Wrap Test
Note: Do not start the IFT L001 with the wrap
plug already installed. Install or remove
the wrap plug when directed by the MOSS
console.
1. Ask the customer to disable the channel
related to the channel adapter to be tested
with the Channel Wrap Test.
2. Select option ODG or CDG from the mainte-
nance function menu.
3. Enter the following:
Routine number LO01 in the
DIAG==> area.
Channel adapter number in the ADP#==>
area.
4. Press SEND.
5. Two models of wrap plugs can be used for
this test:
Bus PN 03F4301 and Tag PN 03F4300
or
Bus PN 26F1755 and Tag PN 26F1754
You will be asked for the wrap tools P/N you
are using.
6. Messages on the screen will prompt you for
the required actions.
7. Refer to Figure 4-27, Figure 4-28 and to
Table 4-8 on page 4-25 to remove the inter-
face cables.
8. When you requested by the diagnostic,
remove the interface cables and install the
wrap plugs.
In order to allow the customer to use the
channel during test time, you have to connect
the cables together or to the terminators.
9. Ensure that the 'Select Out Bypass' switch is
in the 'NORMAL' position.
Depending the wrap plugs used, follow one of
these two actions:
If using the channel wrap plugs:
PN 03F4300 (for Tag)
and PN 03F4301 (for Bus)
Install them for interface A in the IN ROW
(dark grey) and the CA terminators:
PN 2282676 (for Tag)
and PN 2282675 (for Bus)
In the OUT ROW (light grey).
If using the channel wrap plugs :
PN 26F1754 (for Tag)
and PN 26F1755 (for Bus)
Two installations must be done, one
after the other (when requested by
messages on the screen):
Step 1 - Install the wrap plugs for
interface A in the IN ROW (dark
grey), and the CA terminators:
PN 2282676 (for Tag)
and PN 2282675 (for Bus)
In the OUT ROW (light grey).
Step 2 - Install the wrap plugs in the
OUT ROW (light grey) and leave
the IN ROW (dark grey) free
(CA terminators have not to be
used).
10. You will be asked to install the wrap plugs on
the interface connectors B if the TPS feature
is installed on this channel. In this case
repeat the action as for interface A.
Chapter 3. How to Run 3745 Diagnostics 3-25