Instruction manual

SW Main for firmware update (for technical support only)

DIP Switch Position Pin 1 Pin 2 Pin 3 Pin 4

Normal Operation Mode

OFF [ ] OFF [ ] ON [ ] OFF [ ]

Firmware Update Mode

ON [ ] ON [ ] OFF [ ] OFF [ ]

Note

6. Factory default for SW Main: Pin#1-OFF [ ], Pin#2-OFF[ ],

Pin#3-ON [ ], Pin#4-OFF[ ]. PLEASE MAINTAIN THIS SETTING AT

ANYTIME FOR REGULAR USE!

7. Sequence for firmware update WARNING! [Firmware update

only can be done via RS-232 port and connection to PC set

at COM1)

[1] Power off the HSW44C.

[2] Set the DIP switch position to Firmware Update Mode.

[3] Power on the HSW44C.

[4] Power off the HSW44C.

[5] Set the DIP switch position to Normal Operation Mode.

[6] Power on the HSW44C.

Method C: Software Control through RS-232

Setting: Set the ID of this device for cascading or other purposes in

the future.