3Com CM 4000 TSL UMD Setup Guide, CM 4000 Installation and Operating ManualS2

TSL UMD Setup Guide
CM 4000 Installation and Operating ManualS−2
to VM/SI 3000
Serial port
RJ45P
(male)
Rx+ Receive plus
Rx− Receive minus
Tx+ Transmit plus
Tx− Transmit minus
G Ground
1
2
3
4
5
6
7
8
Tx−
Rx−
Rx+
+24V
G
Figure S−1
1
6
Rx− 2
7
3
Tx−
8
4
9
5
DB9P
(male)
Rx+
Tx+
G
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
G
Rx−
Tx−
Rx+
Tx+
G
G
Tx+
+24V
+24V
+24V
Power
Supply
G
+24V
to TSL UMD−
QD8
to TSL
UMD−D8C