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5
ACS 4.4 G2 Installation and Operation Manual
INSPECTION
Inspection
Please examine your ACS 4.4 G2 carefully for any damage that may have been sus-
tained during shipping. If any is discovered, please notify the shipper immediately
and retain the packaging for inspection by the shipper. The package contains the
ACS 4.4 G2, a PS-1515/IEC, +/-15 VDC desktop power supply, and a reversed
modular serial cable with the “S9” 9-pin D-Sub adapter. Manuals may be down-
loaded from our web site.
Mounting
The ACS 4.4 G2 is designed to be rack mounted in the optional “RA-1” 19” 1-RU
rack shelf. It should be mounted in an area that is accessible from the rear and prefer-
ably away from sources of heat. We recommend that you bench test and become
familiar with the operation of the unit before permanently installing it.
Power Supply Connection
Insert the universal AC input PS-1515/IEC DC switching power supplies latching 3-
pin connector into the power receptacle on the rear panel of the ACS 4.4 G2. When
ready, plug the power supply into the appropriate AC receptacle.
CAUTION!
Only use the power supply provided with this product.
UPS Standby Power System
We recommend that you power your ACS 4.4 G2 from an uninterruptable power
supply (UPS) system. A UPS, like the “BE600M1” from APC, helps minimize the
risk to the ACS 4.4 G2 and provides power during a power outage.
Chassis Ground screw (CHS GND)
The #4-40 sized chassis ground screw should be tied to the station (house) or system
ground.
CAUTION!
Installation of the
ACS 4.4 G2 in high RF
environments should be
performed with care.
Shielded cable is sug-
gested for all control,
audio inputs and out-
puts. All shields
should be tied to the
“GND” terminal on
each channel. The sta-
tion ground should be
connected to the chas-
sis ground screw
(GND) located on the
right side of the chassis
as viewed from the rear.
For lightning protec-
tion devices, check out
www.polyphaser.com
and www.itwlinx.com.
It is recommended
that all cables connect-
ed to the ACS 4.4 G2 be
looped through ferrite
cores to suppress RF.
Surge protection with
RF filtering such as the
Tripp Lite “ISOBAR 4”
is also suggested for the
power supply.