Constellation™ 2002 June 20
12-20
Installing the Receiver Assembly
1. Check the part number of the Receiver Assembly to ensure that the correct
unit is being installed.
2. Carefully slide the Receiver Assembly into the designated slot in the shelf
until the unit plugs into the backplane.
3. Use the thumbscrew to fasten the unit to the shelf.
4. On the faceplate, reconnect the cables onto the SMA connectors.
• RF IN (from the ACU)
• IF OUT (to the Modem)
5. Use a torque wrench to tighten the connectors (8 to 9 in-lb).
6. For testing procedure, refer to
page 9-3
, and follow the
"General
Measurements Procedure"
.
MHSB System
1. Use the Keypad command to take the switched unit out of lock status.
CONTROL > LOCK/IF LPBK > LOCK DMOD/RX, CLR
2. The standby Receiver Assembly is now the primary Receiver Assembly.
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