ZyXEL RS-1612 User Manual download pdf (Page 34)

Setting the Display Contrast

Changing the display contrast makes it easier to read the display.

1. From the Main Display, press the Right Arrow Key twice.

2. The Contrast Menu appears. Press the Left or Right Arrow

Keys to set the contrast to the desired level.

3. Press the Menu Key to leave the Contrast Menu and save the

change.

Unlocking a Rack Locked by a NMS

To unlock a rack locked by a NMS, press the Right and Left

Arrow Keys at the same time.

Resetting the Rack to its Default Settings

Press all four Control Panel keys at the same time to completely

reset the rack controller.

Upgrading firmware

This function will delete the old firmware before upgrading to the

new firmware. To upgrade your firmware follow the procedure

below:

1. Turn on your computer and start any communication program

that supports the XMODEM protocol.

2. Use a serial cable to connect the COM port of your computer

to the DTE RS-232 port.

Use the following parameters:

9600 bps

8 data bits

no parity

1 2 ... 29 30 31 32 33 34 35 36 37

No comments

ZyXEL RS-1612 User Manual Page 34