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Page Title:
TABLE 1-8. BTS CABLE INFORMATION |
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 TM 11-6625-2884-30/NAVAIR 16-35TS3615-2
FUNCTION
ITEM
CABLE
CONTROL and STATUS - Connects MONITOR (LRU-1) 1J7 to MONITOR
1
W1
(BTS) 1J1. Used to interface the Status Panel
Assembly 1A2 of the BTS with LRU-1 under test.
CONTROL - Connects the CONTROL (BTS) 1J2 to CONTROL (LRU-1)
2
W2
1J2. Connects power and control signals from the
(BTS) Control Indicator 1A1A1 to LRU-1 under test.
POWER - Connects the 28V POWER (BTS) 1J3 to POWER (LRU-1)
3
W3
1J1. Supplies 28 Vdc to LRU-1 under test.
RF COAX - Connects the RF OUT (LRU-1) 1J4 to RF IN (BTS) 1A2
4
W4
J2 through 30 dB attenuator. Used to sample the
RF output of LRU-1 under test.
RF COAX - Connects either the CMBD RF (BTS) 1J4 or the RF
5
W5
OUT (BTS) 1A3/1A4J1 to RF IN (LRU-1) 1J3. Used to
supply CW or pulse and pattern modulated RF to LRU-1
under test.
6
INPUT POWER - Connects 115V-60 Hz (BTS) 1J5 to the ac power
W6
source.
7
INPUT POWER - Connects 28 VDC (BTS) 1J6 to the 28 Vdc power
W7
supply.
8
BLANKING - Connects BLANKING (BTS) 1A3/1A4 J6 to BLK IN
W8
(LRU-1) 1J5. Used to test external aircraft blank-
ing circuits of LRU-1 under test.
9
VOLTAGE MONITOR - Connects V MON (BTS) 1A2J6 to the digital
W9
Used to monitor dc voltages in LRU-1
under test.
10
VIDEO CABLES - Three cables which connect:
W10
CHAN 1 (BTS) 1A2J4 to CHAN 1 of the oscilloscope.
CHAN 2 (BTS) 1A2J5 to CHAN 2 of the oscilloscope.
SYNC (BTS) 1A3/1A4J4 PULSE to the external sync
input of the oscilloscope
Used to monitor various test points in LRU-1 under
test.
1-42
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