The I/O and Voice Interface firmware for the GSC3000 and VRC2500 can be reloaded or updated using the
Lynx software and a direct connection to the unit. The systems ship with current firmware already installed, so
there is no need to upload firmware prior to using a new unit. However, if you have been using a software version
previous to Lynx 4, your existing I/O and Voice units need to be updated with the latest firmware in order to
communicate with the new software.
To determine the firmware version currently loaded on any Voice Interface or I/O unit, right-click the unit in the
Site List and select Unit Properties.
Note: In some circumstances, it may be necessary to manually clear the unit’s memory prior to uploading firmware.
Appendix D: Troubleshooting indicates where this is necessary. If you need to clear the memory, refer to CLEARING
UNIT MEMORY at the end of this appendix.
UPLOADING FIRMWARE
IIm
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poorrtta
anntt!! Uploading firmware will erase your unit’s memory, including configuration settings. You should archive your
configuration prior to uploading firmware. See pages 34 and 41 for instructions on saving and restoring archives.
To upload new firmware:
1. Unplug the unit, remove the cover, engage the JP9 jumper (JP1 on a Voice Interface), and power up the
unit. The jumpers are detailed in the images on the next page.
2. Unplug the unit again, disengage the jumper, and reapply power. For a GSC300 I/O, the Remote/Local
LED should be off now, indicating the firmware has been cleared. After clearing I/O firmware on a VRC500,
the the Status LED turns off and the LINE LED is green.
3. Connect the supplied null modem cable from any PC serial port to the proper port on the I/O or Voice
Interface:
GSC3000 I/O 8 or I/O 16
COM 2
GSC3000 Voice Interface
COM 1
VRC2500 I/O
DIRECT
VRC2500 Voice Interface
DIAL-UP
4. Go to the Tools menu and click Upload Firmware to start the Firmware Wizard.
CUSTOMER SUPPORT: 978-486-3711 • support@burk.com • www.burk.com
121
A
Appendix A:
Uploading Firmware
Summary of Contents for GSC3000
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