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3.1. The pin assignment of the 9 pin D-SUB connector
PIN # NAME
PIN # NAME
1 NOT CONNECTED
1 NOT CONNECTED
2 TXD
2 RXD
3 RXD
3 TXD
4 NOT CONNECTED
4 DTR
5 GROUND
5 GROUND
6 NOT CONNECTED
6 DSR
7 NOT CONNECTED
7 RTS
8 NOT CONNECTED
8 CTS
9 NOT CONNECTED
9 NOT CONNECTED
EverPlex
4CQ
HOST
3.2. Transmission Setting
The transmission setting in the EverPlex 4CQ is 9600 baud rate, 1 start bit, 1
stop bit and no parity.
3.3. Remote control protocol
A computer or a terminal can be used to control the EverPlex 4CQ by sending two-
character ASCII command through RS232 connector. These ASCII commands are
started with 'K' or 'k'. There are 9 ASCII commands mapped to the 9 keypads in the front
panel and 1 additional commands to reset the EverPlex 4CQ to the QUAD display state.
These 10 ASCII commands are show as below:
EverPlex
4CQ
Remote Control Command Table
ASCII CODE
FUNCTION
Keypad in front panel
K1
Full Screen 1
K2
Full Screen 2
K3 Full
Screen
3
K4
Full Screen 4
K5
Quad Display
K6
Freeze
Freeze
K7
Sequential Switching
Seq
K8
VCR Play Back
K9
SET
Set
K0
Reset the Processor to Quad display
None