TN840 Extender Cards and Kits
MT-3/4 Radio Systems
TECHNICAL NOTES
Page 1 of 2
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TECHNICAL NOTE:
TN840, REV 4-1-0, © Mar 2013
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To facilitate testing, alignment and maintenance for the MT-3 and MT-4 radio systems, extender cards and kits can
be used to extend the individual modules out from the subrack.
Extender cards plug directly into the subrack, and are shown in Figure 1.
Figure 1: EC-96D1 and EC-48RD Extender Cards
Extender kits (extender card and a four foot cable) allow the modules to be extended out to a bench for servicing
as shown in Figure 2.
Figure 2: Extender Kit
EXTENDER
CARD
CABLE
EXTENDER
CARD
TO SUBRACK
CONNECT TO
MODULE