Comtec CDM-840 - Getting Started: Prepare for the Firmware Download

CDM-840 Remote Router MN-CDM840
Updating Firmware Revision 3
4–2
(LEFT) Standard 115V/230V AC Unit
(RIGHT) Optional -48V DC Unit
4.2 Getting Started: Prepare for the Firmware Download
Do these steps:
1. Identify the firmware number/revision letter/version number and the assigned Ethernet
Management IP Address.
User-supplied items needed:
• A Microsoft Windows-based PC, equipped with available serial and Ethernet ports; a
compatible Web browser (e.g., Internet Explorer); and a terminal emulator program (e.g.,
Tera Term or HyperTerminal).
• A CAT5 Ethernet cable to connect the PC Ethernet Port to the CDM-840.
• A 9-pin serial cable to connect the PC serial port to the CDM-840.
a) Use an Ethernet hub, switch, or direct
cable connection to connect the CDM-840
rear panel ‘ETHERNET | MANAGEMENT |
FE’ 10/100 Fast Ethernet port to an
Ethernet port on the User PC.
b) Use the 9-pin serial cable to connect the
CDM-850 rear panel ‘CONSOLE’ port to a
serial port on the User PC.
c) On the PC – Open the terminal emulator program. Configure the program serial port
communication and terminal display settings.
d) On the PC – Open the terminal emulator program.
Refer to your terminal emulator program HELP feature or user guide for
operating and configuration instructions.
Configure the utility program serial port communication and terminal display operation:
• 38400 bps (Baud Rate) • 8 Data Bits • 1 Stop Bit
• Parity = NO • Port Flow Control = NONE • Display New line Rx/Tx: CR
• Local Echo = ON
e) On the CDM-840: Turn on the power.