Cable Electronics e labs SW808HD User Manual
Page 11
Matrix Switching System—Instruction Manual
Page 7
RS-485 Communication Port Connection Methods
The RS-485 port will control more than one product. The RS-485 Port is shown below.
A. DIP switch 8:(RS-232/RS-485 on/off)
ON:RS-232 enables single system or RS-485 serial master
OFF:RS-485 enables RS-485 serial slave B.
B. DIP switches 6 and 7 (RS-485 - terminator on/off)
ON enables Terminator
OFF disables Terminator
C. DIP switches 1 to 5 (ID address setting)
The ID address determines the position of a matrix within a system. When multiple Matrix
units are connected to one PC or when the Matrix units are serially connected, the ID
address decides which Matrix is controlled. The chart below describes the ID addresses.
ID Address Settings
ON/OFF Switch Settings
ID Address
(Decimal)
Software ID
Address
(Hexadecimal )
ON/OFF
(Binary)
SW1
SW2
SW3 SW4 SW5
0
00
00000
off
off
off
off
off
1
01
00001
off
off
off
off
on
2
02
00010
off
off
off
on
off
3
03
00011
off
off
off
on
on
4
04
00100
off
off
on
off
off
5
05
00101
off
off
on
off
on
6
06
00110
off
off
on
on
off
7
07
00111
off
off
on
on
on
8
08
01000
off
on
off
off
off
On/Off Switch Settings