Comtech EF Data RCS20 - Manual (Page 54)

RCS20 M:N Redundancy Switch Revision 15
User Interfaces MN-RCS20 and CD-RCS20
4–20
3. Select the desired Backup Channel 2 automatic backup assignments for each prime channel.
4. Press or to abort programming (no switch parameters changed).
5. Press to load the information on the screen into the Switch Parameter Table.
Key Label Function
S1 
Press to move the blinking cursor to the left. Used to select the modem (labeled
Modems 1 through 8) to which the backup assignment summary is to be changed.
S2 
Press to move the blinking cursor to the right. Used to select the modem (labeled
Modems 1 through 8) to which the is to be changed.
S3
TOG
MODE
Used to toggle through the choices above. Multiple connections may be entered.
S4 RETURN Press to return to the AUTO MODE BACKUP ASSIGNMENT SUMMARY Screen.
Numeric Keypad --- N/A
4.3.1.13 BACKUP ASSIGNMENTS, PRIORITIES
This subscreen allows the user to program the RCS20 with priorities for each prime channel. A 1
indicates the highest priority channel and a 9 indicates the lowest priority channel. The highest priority
prime channel for each backup channel will have its modulator and/or demodulator placed in hot standby.
For revertive backup mode, the highest priority channel modulators and demodulators will be backed up if
multiple channels fail.
Key Label Function
S1  Press to move the blinking cursor to the left. Used to select the modem (labeled
Modems 1 through 8) to which the backup priority is to be changed.
S2  Press to move the blinking cursor to the right. Used to select the modem (labeled
Modems 1 through 8) to which the backup priority is to be changed.
S3 --- N/A
S4 RETURN Press to return to the AUTO MODE BACKUP ASSIGNMENT SUMMARY Screen.
Press the or on the keypad to abort programming (no switch
parameters changed). Press the to load the information on the screen into the
switch parameter table.
BACKUP ASSIGNMENTS, PRIORITIES
MODEM : 1 2 3 4 5 6 7 8
PRIORITY : 1 2 4 3 8 7 6 5 1
<--- ---> RETURN