Hardware Installation
2−16 CM 4000 Installation and Operating Manual

Figure 2−16. Cable for connecting CM 4000 to SMS 7000 DB9 port.

1
6
R− 2
7
3
T−
8
4
9
5
R−
T+
to CM 4000
serial port to SMS 7000
G Ground
R− Receive minus
R+ Receive plus
T+ Transmit plus
T− Transmit minus
DB9P
(male) DB9
= twisted pair
1
6
2
7
3
8
4
9
5
T+
R+
GG
R+
T−

Figure 2−17. Cables for connecting CM 4000 to SMS 7000 DB25 port.

1
6
R− 2
7
3
T−
8
4
9
5
to CM 4000
serial port
G Ground
R− Receive minus
R+ Receive plus
T+ Transmit plus
T− Transmit minus
DB9P
(male)
= twisted pair
T+
R+
G
DB25
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
to SMS 7000
T−
T+
R+
G
R−