Personal Computer - Videotec SW164OSM Manuel D'instructions

KEYPLUS
4.6.4.2
Connect the telephone cables according to the following schemes :
KEYPLUS/DCS2 - SW164OSM video matrix connection
SW164OSM

Personal Computer

The connection of the matrix to a Personal Computer must be carried out according to the
following scheme :
Before the connection, it is necessary to observe the following precautions:
1. Check that the serial channel used on the computer is not already used by other
peripheral units (the mouse is usually connected to the serial COM1)
2. The matrix must be set on RS232 transmission mode
3. The three wires of RJ-connector box must not be longer than 15 meters
4. The PC serial unit (male connector on the back of the computer) can be a DB9 or
DB25; check the connections in the following table:
RJ-connector
box
Red
Yellow
White
5. Besides the connection between RJ-connector box and DB connector, it is necessary
to put two bridges on the DB9 / DB25 connector (Personal Computer side) as shown in
the following table:
DB9 connector
Bridge between pins 4 and 6
Bridge between pins 7 and 8
Page 17
Current Loop connection
KEYPLUS / DCS2
TX CL Yellow
GND CL Red
RX CL White
RS232 connection
KEYPLUS / DCS2
TX RS232 Black
GND RS232 Green
RX RS232 Blue
Matrix - Personal Computer
DB9 RJ-connector
connector
pin 5
pin 3
pin 2
Bridges on DB connectors
Bridge between pins 20 and 6
Bridge between pins 4 and 5
SW164OSM
----------------- Black
----------------- Green
----------------- Blue
SW164OSM
----------------- Yellow
----------------- Red
----------------- White
DB25
box connector
Red pin 7
Yellow pin 2
White pin 3
DB25 connector
SW164OSM 9901
RX CL
GND CL
TX CL
RX RS232
GND RS232
TX RS232