L3 comminications SERIES 5000, Operation And Maintenance Manual

Page: 40 / 283

Theory of Operation
1-13
Fuses.
The fuses are listed in Table 1-6. The manufacture type for both fuses
is BUSS GMA.
Table 1-5:
PARALLEL Connector Pinouts
PIN NO. LABEL FUNCTION
1 TRIGGER “Ping” signal indicating start of swath
2 STROBE Data strobe
3 SEL 3
Data select line (See note below)
4 SEL 2
5 SEL 1
6 SEL 0
7 GND Ground
8 D11 Data bit 11
9 D10 Data bit 10
10 D9 Data bit 9
11 D8 Data bit 8
12 D7 Data bit 7
13 D6 Data bit 6
14 D5 Data bit 5
15 D4 Data bit 4
16 D3 Data bit 3
17 D2 Data bit 2
18 D1 Data bit 1
19 D0 Data bit 0 (LSB)
20–37 GND Ground
NOTE The value of signals on the data select lines indicates which channel
is present on the data.
CAUTION Do not replace a fuse with one with a higher current rating. Do
not bypass the fuse. Failure to observe this caution may cause damage to
the equipment and void the warranty. If fuses blow repeatedly, there is a
problem that must be corrected before attempting further operation.