VIP-4R/4T Installation and Configuration 55
VIP Port Adapter Functions
Table 11
EIA/TIA-449 Adapter Cable Signals
DTE Cable
DCE Cable
VIP End, HD
1
60-Position Plug
1. HD = high density.
Network End,
DB-37 Plug
VIP End, HD
60-Position Plug
Network End,
DB-37 Receptacle
Signal
Pin
Pin
Signal
Signal
Pin
Pin
Signal
Shield ground
46
1
Shield ground
Shield ground
46
1
Shield ground
TxD/RxD+
11
—>
4
SD+
RxD/TxD+
28
<—
4
SD+
TxD/RxD–
12
—>
22
SD–
RxD/TxD–
27
<—
22
SD–
TxC/RxC+
24
<—
5
ST+
TxCE/TxC+
13
—>
5
ST+
TxC/RxC–
23
<—
23
ST–
TxCE/TxC–
14
—>
23
ST–
RxD/TxD+
28
<—
6
RD+
TxD/RxD+
11
—>
6
RD+
RxD/TxD–
27
<—
24
RD–
TxD/RxD–
12
—>
24
RD–
RTS/CTS+
9
—>
7
RS+
CTS/RTS+
1
<—
7
RS+
RTS/CTS–
10
—>
25
RS–
CTS/RTS–
2
<—
25
RS–
RxC/TxCE+
26
<—
8
RT+
TxC/RxC+
24
—>
8
RT+
RxC/TxCE–
25
<—
26
RT–
TxC/RxC–
23
—>
26
RT–
CTS/RTS+
1
<—
9
CS+
RTS/CTS+
9
—>
9
CS+
CTS/RTS–
2
<—
27
CS–
RTS/CTS–
10
—>
27
CS–
LL/DCD
44
—>
10
LL
NIL/LL
29
—>
10
LL
Circuit ground
45
37
SC
Circuit ground
30
37
SC
DSR/DTR+
3
<—
11
ON+
DTR/DSR+
7
—>
11
ON+
DSR/DTR–
4
<—
29
ON–
DTR/DSR–
8
—>
29
ON–
DTR/DSR+
7
—>
12
TR+
DSR/DTR+
3
<—
12
TR+
DTR/DSR–
8
—>
30
TR–
DSR/DTR–
4
<—
30
TR–
DCD/DCD+
5
<—
13
RR+
DCD/DCD+
5
—>
13
RR+
DCD/DCD–
6
<—
31
RR–
DCD/DCD–
6
—>
31
RR–
TxCE/TxC+
13
—>
17
TT+
RxC/TxCE+
26
<—
17
TT+
TxCE/TxC–
14
—>
35
TT–
RxC/TxCE–
25
<—
35
TT–
Circuit ground
15
19
SG
Circuit ground
15
19
SG
Circuit ground
16
20
RC
Circuit ground
16
20
RC
Mode 1
Ground
49
48
Shorting group
Mode 1
Ground
49
48
Shorting group
Ground
Mode_DCE
51
52
Shorting group