Alpha Technologies AlphaNet IDH4 for XM2, XM2-HP, and XM2-300HP Series - Quick Start Guide - Manual (Page 7)

7 746-257-B0-001 Rev. A (2/2014)
Each power supply must have a unique address. Refer to Intelligent CableUPS technical manual
(Alpha p/n 017-805-B0), or the IDH4 Series Transponder Technical Manual (Alpha p/n 746-257-B2) for
additional information.
NOTE:
Connecting the RF Drop
Connect the RF drop according to the diagram below. The RF drop must have a properly installed ground block in the
power supply enclosure. Recommended downstream RF level is 0 dBmV. Connect any other front panel connections at
this time (e.g. battery strings, tamper switch).
RF Cable
to Headend
Grounded Surge Protector
(See Caution Above)
Fig. 13, Connecting the RF Drop
Connections
Connections with
more than one power
supply
Battery Sense Wire Harness
C
O M
S
Y S
C
O M
S
Y S
Generator (ECM)
ECM to SCM Interface
(Alpha P/N 704-709-20)
B
C
A A
B
Comm Port
System Port
Battery Sense Connections
B
C
A
A
Environmental
connection
Ethernet connection
RF connection
Linked CableUPS
Serial Interface Cards
IDH4X in
Primary XM2
AlphaBus Cable
(Alpha P/N 875-190-20 for 6',
-21 for 9', -22 for 18', -23 for 35')
Install a grounded surge suppressor (Alpha P/N 162-028-10 or equivalent).
CAUTION!
Fig. 14, System Interconnection Diagram