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Installation
Table 7-16. Multipoint Data Communications Self-Test Procedure
STEP 1.
a.
Ensure power is off, and disconnect cable from 13260C
or 0 communications PCA.
b.
Connect PCA Test Connector, part no. 02645-60002, to
13260C or 0 data communications PCA.
c.
Turn on power, and press
I
GREEN
I,
~ (see note).
d.
Refer to multipoint data comm self-test flowchart for
diagnosing possible error messages.
DATA COMM TESTING (MULTIPOINT)
Br--"----n---:.-
TEST CONNECTOR
02645-60002
{r;2~
<:;'\
SELF-TEST
INITIATED
HERE
CHECKS OPTICAL ISOLATORS ON
DATA COMM PCA
\
TEST CONNECTOR
02645-60004
~[~~~\~\:----f11------------t
L:-f -.
13232P
CABLE ASSEMBLY
CHECKS CABLING
b.
Connect RS232 Test Connector, part no. 02645-60004,
to RS232 connector on 13232P cable.
c.
Turn on power, and press [
GREEN
I,
~
(see note).
a.
Turn off power, and reconnect cable to 13260C or 0 data
communications PCA.
STEP 2.
d.
Refer to multipoint data comm self-test flowchart for
diagnosing possible error messages.
STEP 3.
a.
b.
c.
d.
Turn off power, and connect 13232P cable to modem.
Switch modem to loop-back mode (if possible).
Turn on power, and press
I
GREEN
I,
[ENT;J
(see note).
If self-test did not pass, the modem may be
malfunctioning. Refer to multipoint data comm self-test
flowchart for diagnosing possible error messages.
MODEM
(W/LOOP BACK
CAPABILITY)
SELF-TEST
INITIATED HERE
TERMINAL /
- - - - - CHECKS NEAR-END MODEM
STEP 4.
CHECKS FAR-END MODEM
a.
b.
c.
d.
Switch modem back to normal operation.
Switch far-end modem to loop-back mode (if possible).
Turn on power, and press
I
GREEN
I,
~
(see note).
If .3elf-test did not pass, the modem may be
malfunctioning. Refer to multipoint data comm self-test
flowchart for diagnosing possible error messages.
MODEM
(W/LOOP BACK
CAPABILITY)
SELF-TEST
INITIATED HERE
\
NOTE:
For terminals without cartridge tapes, use ESC x to perform data comm self-test.
7-47
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