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6
SS 2.1 Term III Installation and Operation Manual
INSTALLATION
Note: To select an input at power-up with SW5-5 ON, hold down the push-but-
ton for the desired input channel or mute until the front panel LED’s flash.
Operation
SW5-6
SW5-7
Normal *
OFF
OFF
Sustained
ON
OFF
EAS switcher
OFF
ON
(SAGE/ENDEC, MSRP Clone, Serial operation)
Toggle
ON
ON
• Normal operation: Pulse 1-IN to select input 1, Pulse IN-2 to select input 2 or
pulse the “M-IN” (mute) pin to turn off both channels.
• Sustained operation: Hold IN-2 low to select input 2.
• Toggle operation: Alternately pulse 1-IN to select between the two input
channels.
Note: After changing any dipswitch, please repower the unit.
* Denotes factory setting.
It is recommended that all cables connected to the SS 2.1/Term III 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 transformer. The purchase of an
inexpensive uninterruptible power supply (UPS) will provide back up in case of
power outages.
Installation of the SS 2.1/Term III consists of six steps:
1. Inspection.
2. Removal of the source termination resistors, if applicable.
3. Bench test.
4. Mount the unit on a desktop, wall or rack shelf (RA-1).
5. Connect your equipment to the unit.
6. Serial operation, if applicable.
CAUTION!
Installation of the
SS 2.1 Term III in high
RF environments
should be performed
with care. Shielded
cable is suggested for
all control, audio
inputs and outputs. All
shields should be tied
to the “CHASSIS
GROUND” terminal.
The station ground
should be connected to
the chassis ground
screw (CH1) located
behind J5 as viewed
from the rear. For light-
ning protection devices,
check out
www.polyphaser.com
and www.itwlinx.com.
