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Table 4
EIA/TIA-449 Adapter Cable Signals
DTE Cable
FSIP End,
1
HD
60-Position
Plug
Signal
Pin
Shield ground
46
TxD/RxD+
11
—>
TxD/RxD–
12
—>
TxC/RxC+
24
<—
TxC/RxC–
23
<—
RxD/TxD+
28
<—
RxD/TxD–
27
<—
RTS/CTS+
9
—>
RTS/CTS–
10
—>
RxC/TxCE+
26
<—
RxC/TxCE–
25
<—
CTS/RTS+
1
<—
CTS/RTS–
2
<—
LL/DCD
44
—>
Circuit ground 45
DSR/DTR+
3
<—
DSR/DTR–
4
<—
DTR/DSR+
7
—>
DTR/DSR–
8
—>
DCD/DCD+
5
<—
DCD/DCD–
6
<—
TxCE/TxC+
13
—>
TxCE/TxC–
14
—>
Circuit ground 15
Circuit ground 16
Mode 1
49
Ground
48
Ground
51
Mode_DCE
52
1. HD = high density.
FSIP Port Adapters, Interface Cables, and Connections
Network
End,
DB-37 Plug
Pin
Signal
1
Shield
ground
4
SD+
22
SD–
5
ST+
23
ST–
6
RD+
24
RD–
7
RS+
25
RS–
8
RT+
26
RT–
9
CS+
27
CS–
10
LL
37
SC
11
ON+
29
ON–
12
TR+
30
TR–
13
RR+
31
RR–
17
TT+
35
TT–
19
SG
20
RC
Shorting
group
Shorting
group
Fast Serial Interface Processor (FSIP) Installation and Configuration
DCE Cable
FSIP End,
HD
60-Position
Plug
Signal
Pin
Shield ground
46
RxD/TxD+
28
<—
RxD/TxD–
27
<—
TxCE/TxC+
13
—>
TxCE/TxC–
14
—>
TxD/RxD+
11
—>
TxD/RxD–
12
—>
CTS/RTS+
1
<—
CTS/RTS–
2
<—
TxC/RxC+
24
—>
TxC/RxC–
23
—>
RTS/CTS+
9
—>
RTS/CTS–
10
—>
NIL/LL
29
—>
Circuit ground
30
DTR/DSR+
7
—>
DTR/DSR–
8
—>
DSR/DTR+
3
<—
DSR/DTR–
4
<—
DCD/DCD+
5
—>
DCD/DCD–
6
—>
RxC/TxCE+
26
<—
RxC/TxCE–
25
<—
Circuit ground
15
Circuit ground
16
Mode 1
49
Ground
48
Network End,
DB-37
Receptacle
Pin
Signal
1
Shield ground
4
SD+
22
SD–
5
ST+
23
ST–
6
RD+
24
RD–
7
RS+
25
RS–
8
RT+
26
RT–
9
CS+
27
CS–
10
LL
37
SC
11
ON+
29
ON–
12
TR+
30
TR–
13
RR+
31
RR–
17
TT+
35
TT–
19
SG
20
RC
Shorting group
25
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