SS8-RC RS232 Controllable Speaker Switcher / Driver Instructions
The SS8-RC is a RS232 controllable speaker switcher / driver for use with commonly available 70v speakers or
ETS speakers. The SS8-RC is primarily designed to be used in conjunction with DVRs / video gateways in one
way (or two-way: using the companion SM8-RC speaker switcher) to expand versatility in audio zone handling.
Note- the DVR manufacturer must write custom software to “talk” to the –RC series switchers via an available
RS232 port on the DVR using a simple ASCII protocol described later in this document. Contact ETS technical
support for a list of DVR manufacturers who have integrated the use of the –RC switchers into their platforms.
Note-If your application requires more than 8 audio zones, you must add (loop or cascade) additional SS8-RCs for 8 more
zones and up to a maximum of 32 zones total (4 SS8-RCs). Each SS8-RC is assigned an ID number for its range of
zones as described later in this document.
Front panel controls and indicators
When powered up, the SS8-RC is in remote control mode (the front switches do not work.)
If you want to control the switcher manually, press and hold the Zone 1 button until the “Recorder” indicator light goes out.
You can now select and deselect Zones by pressing their respective channel buttons. You can also set the volume of a
zone by adjusting the corresponding Level control.
To go back to RS-232 control mode, press and hold the Zone 1 until the “Recorder” light illuminates.
Setting the zone range ( ID ) for looped SS8-RCs
Unplug the SS8-RC from its AC power Source. Press and HOLD DOWN the corresponding zone number which translates
to ID channel number. CH1=ID1….CH4=ID4. Power up the SS8-RC until the corresponding channel light illuminates.
Then release the switch and the CH lamp will extinguish shortly thereafter.
ID 1= zones 1-8
ID 2= zones 9-16
ID 3= zones 17-24
ID 3= zones 25-32
Note-On a power down / up cycle of the SS8-RC, the ID of the unit will be shown on the corresponding zone lamp (1-4)
for 2
seconds.
Rear panel connections
PWR:
The SS8/16-RC uses a 16.5 vac 40va transformer.
Note- the SS8-RC and SM8-RC use different types of AC adapters.
Audio In
Connector: Connect this to the Audio output of the remote monitoring equipment.
Audio Out
Connector: When using 16 zones of audio, connect the Audio output of the SS8-RC to the input of the SS16-RC using the
supplied RCA patch cable.
RS-232
Connectors: This is a looping RS-232 input and output. You only need one RS-232 port on your remote monitoring equipment
to control up to 4 SS8/16-RC and SM8/16-RC devices. Plug the RS-232 DB9/3.5mm cable into either RS-232 jack on the SS8-RC.
Connect the other end of this cable to your remote monitoring equipment. Plug the supplied 3.5mm/3.5mm patch cord into the other
jack if using a 16 zone system (see connection diagram).
Speaker outputs.
Use a single pair shielded #22 wire for speaker cable runs. Connect the Shield of the supplied cable to the S
terminal. Connect the red wire to the + terminal. Connect the black wire to the – terminal. If using ETS speakers, connect the other end
of this cable to the speakers in the exact same way.
Speakers must be 70V line types.
ETS microphone speaker switcher command protocol version 2.0
Note- all selected channel settings are lost during a power outage of an SS8-RC. The –RC series switchers are
also, RS232, listen only devices and currently do not communicate back any information to the host controller.
Therefore, it is recommended that the host control software periodically update the switchers via RS232 with the
current settings as a precaution so as to not lose track of channel settings during a power loss.
Содержание SS8-RC
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