Alpha Technologies AlphaNet IDH4 for XM3-HP Series - Quick Start Guide - Manual (Page 5)

5 746-257-B1-001 Rev. A (2/2014)
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).
CAUTION!
Install a grounded surge suppressor (Alpha P/N 162-028-10 or equivalent) to protect equipment from
overvoltage.
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
IDH4 Series in
Primary XM3-HP
AlphaBus Cable
(Alpha P/N 875-190-20 for 6',
-21 for 9', -22 for 18', -23 for 35')
Fig. 7, System Interconnection Diagram
RF Cable
to Headend
Grounded Surge Protector
(See Caution Above)
Fig. 6, Connecting the RF Drop