Installation User guide
3.0 Connection Instructions, continued
745-419-C4-001Rev.A(09/2009)
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The XM2 batteries are isolated from chassis ground by design. Any voltage potential difference between battery
(-)andchassisgroundmustbeeliminatedbeforeinstallingthetranspondertoavoidpotentialtransponder
damage.Toaccomplishthis,attachagroundjumperbetweenbattery(-)andchassisgroundbeforeinstallingthe
transponder. Once the transponder is installed the jumper may be removed if desired.
WARNING!
3.3 XM Series 2 Power Supply
Switch Battery Breaker OFF prior to removing the Inverter Module for USM2/USM2.5 Card installation and
conguration.
When connecting to an XM Series 2 power supply, plug the 13-pin
connector so the black wire is in pin1 and two open pins are left at
the top for tamper switch connection.
XM SerieS 2 Power SuPPly ConneCtion note:
Pin 1
Tamper switch
connector
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
1
2
4
6
7
8
9
10
3
Figure 4, Connections between the transponder and the system
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