C. Cables and Pin Assignments
C-16
February 2001
8700-A2-GB25-10
100-Pin Plug-to-Four DB37 Receptacle RS-449 Cable
Each row of the following table represents pins that are connected to each other.
Table C-9.
RS-449 Cable Pinouts (1 of 4)
100-Pin Plug
Net Name
DB37 Socket
Pin Number
Net Name
8
PORT1_TD_H
Port 1
4
SD(A)
57
PORT1_TD_L
Port 1
22
SD(B)
10
PORT1_TXC_H
Port 1
5
ST(A)
59
PORT1_TXC_L
Port 1
23
ST(B)
12
PORT1_RD_H
Port 1
6
RD(A)
61
PORT1_RD_L
Port 1
24
RD(B)
11
PORT1_RXC_H
Port 1
8
RT(A)
60
PORT1_RXC_L
Port 1
26
RT(B)
9
PORT1_TT_H
Port 1
17
TT(A)
58
PORT1_TT_L
Port 1
35
TT(B)
52
PORT1_RTS_H
Port 1
7
RS(A)
2
PORT1_RTS_L
Port 1
25
RS(B)
55
PORT1_CTS_H
Port 1
9
CS(A)
5
PORT1_CTS_L
Port 1
27
CS(B)
4
PORT1_LSD_H
Port 1
13
RR(A)
53
PORT1_LSD_L
Port 1
31
RR(B)
54
PORT1_DSR
Port 1
11
DM(A)
3
PORT1_DTR
Port 1
12
TR(A)
6
PORT1_TM
Port 1
18
TM
1
GND
Port 1
20
GND
51
PORT1_LL
Port 1
10
LL
56
GND
Port 1
19
GND
7
PORT1_RL
Port 1
14
RL
62
GND
Port 1
37
GND
—
—
—
—
Port 1
Port 1
29
20
DM(B)
GND
—
—
—
—
Port 1
Port 1
37
15
GND
IC
20
PORT2_TD_H
Port 2
4
SD(A)