V
V
V
P
P
P
-
-
-
6
6
6
0
0
0
2
2
2
H
H
H
H
H
H
T
T
T
U
U
U
20
6.7 Ports and Switchers
The Switcher provides standard RS-232 serial communication port as well as LAN for
remotely managing. Besides the front panel is ideally for the local switching, managing
and setting operation, the Switcher also provides Dip switcher for locally settings.
6.7.1 RS-232
The RS-232 Pin functions are described as below:
Pin No.
Abbreviation
Description
1
N/u
Null
2
TXD
Send
3
RXD
Receive
4
N/u
Null
5
GND
Ground
6
N/u
Null
7
N/u
Null
8
N/u
Null
9
N/u
Null
Figure 6-8 (a)
