Comtech EF Data SMS-7000, Installation And Operation Manual

Page: 79 / 148

SMS-7000 Modem Protection Switch Operation
Rev. 3 3–9
3.4.1 Configuration Backup 1 and 2 Menu
Refer to Figure 3-3.
BACKUP MODEM #n
ADDRESS Set # other than 0. Numbers 9 or 10 are recommended when the
protection system is full; two backups and eight prime modems.
Address: 0 to 255.
Note: Address 0 is reserved as a global address.
Upon entry, the current status is displayed. Press [
↑
] or [
↓
] to
make the selection. Press [ENTER] to execute the change.
BACKUP MOD #n Turn On or Off the switch to recognize that the Backup modulator
status.
Upon entry, the current status is displayed. Press [
↑
] or [
↓
] to
make the selection. Press [ENTER] to execute the change.
BACKUP DEMOD #n Turn On or Off the switch to recognize that the Backup
demodulator status.
Upon entry, the current status is displayed. Press [
↑
] or [
↓
] to
make the selection. Press [ENTER] to execute the change.
BACKUP #n SWITCHING
MODE When a failure occurs, DEPENDENT mode switching will place
the whole Prime modem to the Backup modem. When a failure
occurs, INDEPENDENT switching will only switch half the
modem; either the Modulator or the Demodulator.
Upon entry, the current status is displayed. Press [
↑
] or [
↓
] to
make the selection. Press [ENTER] to execute the change.
BACKUP #n PRIME
MODEMS Place the Prime modem numbers in the spaces provided so that the
Backup modem will only look to backup the identified prime
modems.
e.g., 1 _ 3 _ 5 _ _ _. This example displays the Backup modem
replacing modem #s 1, 3, and 5.
Upon entry, the current status is displayed. Press [
↑
] or [
↓
] to
make the selection. Press [ENTER] to execute the change.
BACKUP #n
MULTIPLEXER Used when the Comtech EFData M-2000 multiplexer is included in
the modem set-up.
Upon entry, the current status is displayed. Press [
↑
] or [
↓
] to
make the selection. Press [ENTER] to execute the change.
BACKUP #n
MULTIPLEXER
ADDRESS Display status of multiplexer: ‘YES or NO’.
Upon entry, the current status is displayed. Press [
↑
] or [
↓
] to
make the selection. Press [ENTER] to execute the change.