Appendix
LEDs
The CS-102/CS-122 contains one Power LED, two Ready LEDs, and two Port Select LEDs on its front panel. Their
indications are as follows:
Power LED: Lights when the CPU Switch is running.
Ready LED: Lights when the connected PC or CPU Switch is running.
Port Select LED: Lights to indicate the currently selected port.
Depending on conditions, the Port Select LED turns on and off according to the following pattern:
Condition Pattern
1 Port Not Selected Off
2 Port Connects to a CPU Switch Flashes Long Off; Short On
3 Port Connects to a Computer Steady On
4 Port Connects to a Computer Under Previous/Next Mode Flashes Long On; Short Off
5 Port Connects to a Computer Under Scan Mode Flashes On and Off Equally
DIP Switch Setting
Scan Time is determined by the DIP Switch of the First Stage* CPU Switch. For the second and the third-stage CS-102/122
units, all DIP switches are set to Off.
DIP Switch Number Scan Time
1 2 3 4
ON ON X ON 3 Sec.
OFF ON X ON 10 Sec.
ON OFF X ON 20 Sec.
OFF OFF X ON 40 Sec.
* The CPU Switch that the keyboard, monitor, and mouse connect to is the First Stage unit.
