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Page Title:
Table 2-4. Coder Interface (J6) Signal List |
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  TM 11-5820-803-12
Table 2-4. Coder Interface (J6) Signal List
Pin number
Signal
Description
A
+
Data to encoder
}
B
-
DATTE
c
Shield
}
C
+
RCKTE
R clock to encoder
D
-
d
Shield
}
E
+
2R clock to encoder
f
-
2RCKTE
e
Shield
}
F
+
Data from encoder
G
-
DATFE
g
Shield
}
L
+
2R clock from encoder
M
-
2RCKFE
k
Shield
}
N
+
Sign Bit to decoder
P
-
SGNTD
m
Shield
}
R
+
MSB to decoder
P
-
MSBTD
n
Shield
}
S
+
LSB to decoder
T
-
LSBTD
q
Shield
}
v
+
2R clock to decoder
w
-
2RCKTD
HH
Shield
}
Z
+
R clock to decoder
b
-
RCKTD
a
Shield
}
JJ
+
Data from decoder
x
-
DATFD
y
Shield
}
KK
+
R clock from decoder
z
-
RCKFD
AA
Shield
the LOS output. For digital user interface' via a shielded
c. Set S1 and S2 on line driver card assemblies
cable, the final switch setting must be determined by
A2A2A1A21, A2A2A1A22, and A2A2A1A23 (fig. 2-23) for
coordination with the ICF modem site. Set the switch
normal polarity (position 1) unless other wise directed by
(A2A2A2A3S1) initially to position 2 (para 2-9 c).,
the digital user (table 2-5 and para 2-8b).
f. For digital user interface via either a shielded
d. Set S1 through S6 on coder interface card
cable or an LOS microwave link, set S1 through S4 on
assembly A2A2A2A5 (fig. 2-24) for normal polarity
LOS/cable receiver and decoder card assembly
(position 1) if an external coder/decoder is used in the
A2A2A2A1 (fig. 2-26 and 2-27) according to table 2-7 and
installation (table 2-6 and para 2-6 c).
the installation configuration. Table 2-8, describing the
e. For digital user interface via an LOS microwave
switch functions, is provided for reference purposes.
link, set S1 on LOS/cable driver card assembly A2A2A2A3
2-23
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