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5
SS 2.1 MLR/BNC Installation and Operation Manual
INSTALLATION
Inspection
Please examine your SS 2.1 MLR/BNC carefully for any damage that may have
been sustained during shipping. If any damage is present, please notify the ship-
per immediately and retain the packaging for inspection by the shipper. The pack-
age should contain the SS 2.1 MLR/BNC, a modular cable with 9-pin “S9” female
D-sub adapter, a 7.5 to 12 VDC wall transformer and a quick start guide. Manuals
may be downloaded from our web site.
Installation
Surge Protection
The SS 2.1 MLR/BNC has built-in resistance to voltage changes; we recommend
that you use a power surge protector or line conditioner on the incoming AC line.
Lightning strikes and/or other high voltage surges may damage your SS 2.1
MLR/BNC and connected equipment if it is not properly protected. For lightning
protection devices, check out www.polyphaser.com and www.itwlinx.com.
UPS Standby Power System
We recommend that you connect your SS 2.1 MLR/BNC to a UPS system. A UPS helps
minimize the risk to the SS 2.1 MLR/BNC and provides power during a power outage.
NOTE: If power is lost, the last selected channel is passed to the output.
Installation/Operation
Selection push buttons
Each push button represents an input to be routed to the switcher’s output, along
with the mute and enable push button. Each push button has an associated LED
indicator, which will illuminate when that particular channel or function is selected.
When a channel is selected, the previous channel is deselected (interlock). The
enable (safety) push button (the enable LED is illuminated when this function is
enabled) requires the user to hold down the enable push button while selecting any
of the other front panel push buttons.
LED indicators
• “PWR” LED: Illuminates when power is applied and blinks when serial data is
active.
• “Enable” LED: Illuminates when the front panel enable push button is enabled.
• “SS”: (silence sensor) operation and LED isn’t active on the BNC version.
• Channel and Mute LED’s illuminate when the input channel is selected.
Power
Connect the 2.1mm barrel type power connector into the unit and the 7.5 to 12 VDC
domestic power transformer into a 120 Vac 50-60 Hz power source. Never use any
type of power supply other than the specified/supplied power supply.