Comtech EF Data CRS-300 - Manual (Page 167)

CRS-300 1:10 Redundancy Switch MN/CRS300.IOM
Modem, RMI/TMI, and Switch Configuration Revision 19
5–3
5.2.2.1 Update Your Modem Firmware
Comtech EF Data ships its products with the latest version of operating firmware. If you need to
update your modem firmware, you may download the update from the Comtech EF Data Web
site ( www.comtechefdata.com ). You may also receive the firmware update archive file via e-
mail from Comtech EF Data Product Support.
For detailed instructions on updating your modems to their latest operating firmware, see the
pertinent modem’s Installation and Operation Manual.
5.2.3 Configure Your Modem Operation
Make sure to operate your modem with its latest available firmware and hardware
configuration. Hardware revision upgrades must be performed at Comtech EF Data.
Contact Comtech EF Data Product Support for assistance if the modem does not
meet the operational requirements listed in this manual.
This chapter assumes user familiarity with the menu navigation and configuration parameter
selection methods using the pertinent modem front panel menu. For detailed instructions on
changing configuration settings using the front panel keypad and menus, see the Front Panel
Operation chapter in your modem’s Installation and Operation Manual.
Use your modem manual to configure each Traffic Modem for the proper Rx and Tx IF, power
settings, modulation, code rates, and traffic data settings.
For User-to-Switch or User-to-Modem addressing schemes, see Appendix C. ADDRESSING
SCHEME INFORMATION.
5.2.4 Configure Your Modems for 1:N Redundancy
5.2.4.1 Configure Switch-to-CDM-625/A 1:N Redundancy
The Switch communicates to the Redundant and Traffic modems via a serial COMM bus
contained within each of the DB-25 or HD-15 control/data cables.
Typical for each modem:
First, use the CDM-625/A Font Panel menu to configure the COMMS (make sure to press ENTER
to save your changes):
Select: Configuration  Remote  Remote Control = Remote  RS-232  set baud
rate to 9600
Then, use the CDM-625/A Font Panel menu to configure the CDM-625/A for 1:N Redundancy
(make sure to press ENTER to save your changes). Do these steps: