TM 11-6625-3041-30/TO 33A1-8-908-12
2-6.
SG-1139 CHECK PROCEDURE (CONT)
. Set controls as
Step Unbalanced
follows:
14 NRZ BER
POWER . . . . . . ON
TIMING . . . . . MASTER
DATA RATE . . 576
ATACS
Keep cables con-
nected. Press
RESET DISPLAY:
Errors display
must read zero
and BER indica-
tors must be
blinking.
After 1 to 2
seconds, BER
indicators must
stop blinking
and green GO
indicator must
light.
If this step passes, proceed to step 15. Keep cables
connected.
This step checks the following:
Receive 2 card . .
BER Control
BER Duration Counter 105 and 106 outputs
Red Error Count 100 output
Yellow Error Count 10 output
Green Circuit
If BER indications are improper:
Remove LOGIC access cover (refer to TM 11-6625-3041-12) and
note which card contains a lit fault indicator. Replace that
card and repeat step 14.
If no card contains a lit fault indicator, possible cause is
Receive 2 card A6. Replace (refer to TM 11-6625-3041-12), and
repeat step 14.
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