Alpha Technologies XP-EDH4 - Installation - Manual (Page 4)

A chipset upgrade may be required; contact Alpha for more information.
Set the jumpers and calibrate the USM card before making connections and applying the load.
When connecting to an AM Series power supply, plug the 13-pin
connector so the black wire is in pin1 and two open pins are left at
the left for tamper switch connection (as viewed from the front of the
unit).
3.1 AM Series Power Supply Connection
3.0 Connection Instructions
When connecting to an XM Series power supply, plug the 13-pin
connector so the black wire is in pin1 and two open pins are left at the
bottom for tamper switch connection (as viewed from the front of the unit).
1. Switch Battery Breaker OFF.
2. It is advisable to install the Battery cable (providing power
to the External DOCSIS unit) and waiting until the ONLINE
LED is on steady before installing the power supply. This
will reduce the chances of the power supply transferring to
inverter due to a low signal reference on the test control pin.
3. Connect the transponder to the system as shown in figure 3.
1. Switch Battery Breaker OFF prior to removing the Inverter
Module for USM Card installation and configuration.
2. It is advisable to install the Battery cable (providing power
to the External DOCSIS unit) and waiting until the ONLINE
LED is on steady before installing the power supply. This
will reduce the chances of the power supply transferring to
inverter due to a low signal reference on the test control pin.
Figure 1, 13-pin connector on AM Series power supply
Figure 3, Connecting the transponder to the system
Figure 2, 13-pin connector on XM Series power supply
3.2 XM Series Power Supply Connection
745-419-C4-001 Rev. A (09/2009) 4
Pin 1
Tamper switch
connection point
NOTE:
Pin 1 Tamper switch
connection point
Legend
1 RF Cable
2, 3 Battery Sense Wire Kit for: 36V single string, 6', Alpha p/n 874-842-21
36V single string, 9', Alpha p/n 874-842-27
36V dual string, 6', Alpha p/n 874-842-20
36V dual string, 9', Alpha p/n 874-842-28
48V single string, 6', Alpha p/n 874-841-21
48V single string, 9' Alpha p/n 874-841-25
48V dual string, 6', Alpha p/n 874-841-20
48V dual string, 9', Alpha p/n 874-841-24
4
XM Series 2 Power Supply
Interface Cable
Alpha p/n 875-335-20 (USM2/2.5)
XM Series Power Supply
Interface Cable
Alpha p/n: 875-335-21 (USM)
AM Series Power Supply
Interface Cable
Alpha p/n: 875-335-21 (RPM)
5 Battery Heater Mat Control Cable Alpha p/n 875-627-20
6 Ethernet Cable (optional) Customer supplied
7 RTS Cable (optional) Alpha p/n 745-178-21
8 Vin Sense (optional) Alpha p/n 875-493-21
9 Surge Protector Ground Block Alpha p/n 162-028-10
10
Plug-in Lightning Arrestor w/pass thru
(130V) L-G, L-N, N-G
Alpha p/n 162-046-10
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