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Cisco VG202, Cisco VG202XM, Cisco VG204, and Cisco VG204XM Voice Gateways Software Configuration Guide
OL-16191-01
APPENDIX
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Using the ROM Monitor
This appendix describes the ROM monitor (also called the bootstrap program), which is the firmware
that runs when you power on or restart the Cisco VG202, Cisco VG202XM, Cisco VG204, or
Cisco VG204XM voice gateway. During normal operation, the ROM monitor helps to initialize the
processor hardware and boot the operating system software. You can also use the ROM monitor to help
you isolate or rule out hardware problems that you encounter while installing your voice gateway.
• Entering the ROM Monitor Mode, page A-1
• About the ROM Monitor Commands, page A-2
• Using the Configuration Register, page A-5
• Using the Console Download Function, page A-6
• Using Debug Commands, page A-7
• Exiting the ROM Monitor Mode, page A-8
Entering the ROM Monitor Mode
To use the ROM monitor, you must be using a terminal or PC that is connected to the voice gateway over
the console port.
Perform these steps to configure the voice gateway to boot up in ROM monitor mode the next time it is
rebooted.
SUMMARY STEPS
1. enable
2. configure terminal
3. config-register value
4. exit
5. reload