Alpha Technologies USM2.5 Status Monitoring Module - Manual (Page 9)

1. Installation
9 018-041-C0-003 Rev. C
1.1 Installation in an XM Series 2 Power Supply
1. Record the transponder address (located on the sheet
metal of the front panel).
2. Open the power supply enclosure.
NOTE : Backup power will not be available while
batteries are disconnected.
3. Set the battery breaker on the front of the power
supply to the OFF position.
4. Unplug all connectors on the front of the power
supply inverter module.
5. Loosen the thumb screws holding the inverter
module into the power supply.
6. Slide the inverter module out far enough to unplug
the ribbon cable at the back of the inverter module
(fig A). Disengage the two latches holding the plug
into the socket (fig. B), and remove the plug.
7. Slide the inverter module all of the way out of the
power supply.
8. Remove the blanking plate and USM2 (if installed)
from the inverter module.
9. Install the USM2.5 (refer to USM2.5 Operator's and
Technical manual. P/N: 704-683-B0-xxx).
10(a). For a USM2.5 with single ribbon cable socket (J2):
Attach one end of the 2-position ribbon cable to the
connector (JP2) at the top of the transponder, and
the other end to the connector on the USM2.5 (J2).
(fig. C)
Disconnect here
Unlatch
J3
JP2
Fig. A
Fig. B
Fig. D; Three-Position Ribbon Cable
Connection
Fig. C; Two-Position Ribbon Cable Connection
J2
JP2
J2