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Sms-451e installation, 2 sms-451e installation – Comtech EF Data SMS-451 User Manual

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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.