
Chapter 4. The Firmware Upgrade Utility
25
2. After successfully upgrading the firmware, unplug the Remote Unit’s
power adapter.
3. Plug in the Remote Unit’s power adapter to turn it on.
Local and Remote Mode
To prepare for the Firmware Upgrade, do the following:
1. Turn off both CE604L and CE604R units and unplug their power adapters.
2. Make sure both units are connected using two Cat 5e cables.
3. In the Local Unit’s rear panel, turn the FW Upgrade switch
On
.
4. Plug in the power adapter and power on the CE604R.
5. Plug in the power adapter and power on the CE604L. Note that the LEDs
on both Local and Remote units start flashing.
6. Use a Serial RS-232 cable to connect a COM port on your computer to the
CE604L’s RS-232 port.
Note:
The Serial RS-232 cable is not provided in the package.
Switch ON
Firmware Upgrade
3
2
2
Cat 5e cable
CE604L (Rear)
CE604R (Rear)