Radio Control System

Radio Control Device for VoIP /RoIP

The Orion Systems Radio Control System (RCS-4-IP) interconnects multiple 4-Wire E&M radios to operator consoles using Voice over IP (VoIP) / Radio over IP (RoIP) transport. The basic building block of the Radio Control System is an Orion Systems RCS-4-IP device. The RCS-4-IP device is equipped with four 4-Wire E&M Radio interfaces, one Telco (2-wire) interface, and supports up to 4 operator consoles. Each operator console has independent non-blocking Tx/Rx radio communication. The RCS-4-IP system is capable of transmitting and receiving audio simultaneously on all radio nets and also includes two local intercom nets for operator console to operator console communication.

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Each radio interface consists of 600 Ω balanced analog transmit and receive audio pair. Radio keying options include solid state contact closure (E&M) or EIA Tone keying. Radio control can be accomplished via optional RS232 interfaces, parallel interfaces, or opto coupled interfaces.

An operator console controls the RCS-4-IP system using a standard computer and mouse or a touch screen computer. The Orion Systems applet displays all the interfaces of the RCS-4-IP system. Each interface displayed has the following Talk/Listen options – Transceive, Monitor only, or Mute. Each interface includes per circuit volume, audio present, and circuit ID. The RCS-4-IP system also supports interoperability by allowing an operator to initiate Radio-to-Radio or Radio-to-Telephone patch. Patch selections automatically initiate VOX keying.

Interconnect Radios with VoIP Devices and Console Operators

Multiple RCS-4-IP devices can be interconnected to control up to 12 radios, 12 operators, and 3 Telephones.

Expansion Examples

8 Radios / 8 Operators / 2 Telephones

12 Radios / 12 Operators / 3 Telephones



Radio=4 / Intercom=2 / Telephone=1 / Operators=4

Radio Interface:

600 Ohm Balanced pair

Radio keying=Solid state contact closure

Levels=0 Db In/Out

Speaker Output Jack

Record Output Jack

Computer-Touchscreen or Keyboard/Mouse

Voice over IP / Radio over IP

Headset – USB

Footswitch – USB


2-Wire FXO interface with Patch

RS232 interfaces=4

Parallel interfaces=4

Opto coupled interfaces (5 per radio)

Radio Control


Size: 9.00″ w x 8.00″ d x 1 rack unit (1.718″)

Chassis Mounting Options – Desktop, Rack Mount, Jack box

Power: 100 to 250 VAC, 25 Watts

Orion Applet:

Total Circuit Keys=7

Radio Keys=4

Shoutdown / Local Intercom Net=2



Radio-to-Radio Patch

Radio-to-Telephone Patch

Patch quantity=2

VOX keying

Per Circuit Selection

Talk/Listen – unlimited

Monitor – unlimited

Mute – unlimited

Per Circuit Key:


Audio Present Indication

Circuit Identifier

Volume Control:

Per Circuit Key

USB Headset


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