Comtech EF Data SMS-7000 - Manual (Page 102)

Operation SMS-7000 Modem Protection Switch
3–32 Rev. 3
3.5.2.4 Operation Mode
Two modes of operation are available for the switch.
•
Auto — Automatically allows the Backup modem to replace any prime modem
when a MOD or DEMOD failure occurs.
•
Manual — When Manual mode is selected, the system provides a dedicated
menu through which the user may assign backup RX and TX functions to replace
the prime modems.
Enter 0 under the CONFIG/OPERATION MODE/MANUAL/MODEM BACKUP
PRIME MODEM
menu to place the backup service on the intended prime modem.
3.6 Faults
Alerts to modem or switch faults are provided in several ways:
•
Indicators on the switch control panel with specific information available in the
Fault/Alarm menu.
•
On demand via the switch remote port. Specifics for both switch and modem
faults are available.
•
Audio and/or visual indicators wired directly to the Switch Fault and Modem
Status ports on the rear of the SCU.
Refer to Chapter 5 for troubleshooting switch faults and modem faults.
3.7 Revision Status
Refer to Table 3-3 for revision software history.
Table 3-3. Revision Status
Revision FW/4958-1 Description
1.1.1 – Original Issue
1.1.2 A User interface changes
2.1.1 B Added M2000 Multiplexer and revision emulation functionality.
2.1.2 C User interface changes.
2.1.3 D User interface changes.
2.1.4 E Corrected communication faults on modem, data, and IF module.
2.1.5 F Corrected automatic mode problem.
2.1.6 G Corrected backup of SLM8650 and SLM6650 for 6650-00,
6650-02, 8650-00, 8650-02, 3650-00, 3650-02 modem types.
2.1.7 H Corrected online signal problem.
2.1.8 J Allow switch to operate with SDM8000 modem.