P
AGE
4
46034-0997 <90-00030>
CIRCUIT DESCRIPTION
F
IG
. 1 - 46034 H
UBBING
M
ODULE
F
UNCTIONAL
S
CHEMATIC
TX+
+5 VDC
1
4 9
50
47
48
45
46
A
B
C
D
E
F
REF
RXD
RX1
TX1
1
RS-232
+5 VDC
REF
STRAP 1A-8A
2
RS-422
3
1
4
3
RX1 +
RS-232
RS-422
Input
Data
Port
Data Port 1
S22 1-8
RS-232
1
2
2
TX1 +
Strap 1B-8B
RS-422
Output
Data
Port
+5 VDC
TDX
+5 VDC
TX-
CA
RX+
RX-
CF
54
53
36
56
55
18
RXD
TXD
CTS
RTS
DCD
DTR
DSR
1
2
Strap D
Strap
C
2
+5 VDC
-12 VDC
+12 VDC
RXD
TXD
CTS
RTS
DCD
39
41
43
42
40
-21 to -56
VDC
35
17
TTL
PORT
RX1 -
RD1
TD1
TX1 -
Data
Port
9
(Subassembly)
Refer to Fig 8 in
Installation
Section for
specific
pin usage
Power
Supply
Note: Data ports
2 thru 8 are identical
in operation to port 1
(pins 5-16, 19-34)
Bypass
Card
or Subass'y
Modem,
Current
Loop
Etc.
DATA
DATA
DATA
DATA
DATA
DATA
TTL
PORT