Comtech EF Data SMS-451 - Manual (Page 30)

SMS-451 Satellite Switch Revision 0
Installation MN/SMS451.IOM
2-4
2.2.2 SMS-451E Installation
Install the switch as follows:
1. Using four screws, mount the switch in a 19-inch rack.
2. Connect
the “TX IF” BNC connector on the switch rear panel to the
up converter.
3. Connect
the “A” BNC to the prime modem TX IF Out (cable provided).
4. Connect
the “B” BNC to the backup modem TX IF Out (cable provided).
5. Connect the data interface common 50-pin connector to the DTE equipment.
6. Connect
the “A” baseband cables (BNCs or 50-pin connectors as in Step 5)
to the prime modem data connector (cables provided).
7. Connect
the “B” baseband cables to the backup modem data connector
(cables provided).
8. Connect
the “RX IF” BNC to the down converter.
9. Connect
the “A” BNC to the prime modem RX IF IN.
10. Connect the “B” BNC to the backup modem RX IF IN.
11. Connect AC power to AC 1 (J11) and AC 2 (J12) with power cables that are
provided.
IMPORTANT
If two AC power sources are available, connect AC 1 and the prime modem
to one AC source. Connect AC 2 and the backup modem to the other AC
source.
12. Refer to the appropriate modem installation and operation manual for installation
instructions of the prime and backup modems. The configurations of both
modems must be set the same.
13. Connect the remote terminal to the Remote connector.
14. If there is any problem installing the switch, call Comtech EF Data Customer
Support for troubleshooting assistance.