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Page Title:
Table 2-1. Controls, Indicators and Connectors - Continued |
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 TM 9-4931-378-13&P
Table 2-1. Controls, Indicators and Connectors Continued
Control, Indicator
Function
or Connector
Index No.
Specific Function
Sw Pos
Selects the EPU -15 Vdc output
-15V
of the EPU for monitoring.
Provide external test points for monitoring
OUTPUT SELECT 2
13,14
outputs of the EPU selected by the OUTPUT
TP7 Red
SEL 2 switch. Red TP is positive and Black
TP8 Black
TP is negative.
15,16
Provide external test points for trigger outputs
TRIG
from CPU to monitor analog signals. Red TP is
TP 5 Red
positive and Black TP is negative.
TP 6 Black
Provide external test points for SIG
outputs
17,18
SIG
selected by OUTPUT SEL 1 switch. Red TP is
TP 3 Red
positive and Black TP is negative,
TP 4 Black
Provide external test points for signal outputs
SIG
selected by OUTPUT SEL 1 switch. Red TP is
positive and Black TP is negative.
OUTPUT SEL 1
Eight-position rotary
Specific Function
Sw Pos
switch S9
Selects data transmit request
DTR
input to EPU for monitoring.
Selects EPU data ready signal
DR
for monitoring.
Selects EPU data output for
DATA
monitoring.
Selects EPU data clock for
CLK
monitoring.
Selects analog in EPU signal
ANLG IN
for monitoring.
Selects EPU analog out for
AN LG OUT
monitoring.
REF OSC
Selects EPU reference oscillator
output for monitoring.
ATS
Selects air temperature sensor
input to EPU for monitoring..
Selects the data words and status words from the
DATA WD SEL 8-position
EPU to be monitored on the binary and decimal
rotary switch S8
DATA WORD displays.
2-3
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