Base Stations
MS-200 | MSM-2 and MSM-3 | RSM-2 | RSM-1

Power Supplies
PS-1 | PS-2 | PS-3 | PS-4 | AD2410

The MS-200 is a full featured master station combining an outboard power supply with the facilities to control two independent circuits.  The 2 rack-unit high (3.50 in.) cabinet is available with rack-mount side panels, plain side panels or side panels with handles.  All three configurations are priced the same.  The MS-200 has two discrete communications circuits (A & B).  The operator may communicate with stations connected to either A or B, or both A and B by pressing the circuit On switches.  The two circuits remain independent, and stations connected to one cannot speak to stations connected to the other.

Connection to the MS-200 or MSM-1 is made via a 9-pin D-sub connector on the rear panel.  Both add-on units derive all of their power from the host unit.  Connections to outstations on the new circuits are made through XLR connectors on the rear panels of the add-on units.  The MSM-2 provides 6 connections, 3 for each of the two circuits.  The MSM-3 provides 8 connections, 2 for each of the four add-on circuits.  The new circuits created by adding either of these units to the system will have access to any auxiliary program being input to the MS-200 or MSM-1.  This program can be removed from the new circuits by a simple internal modification.  Each new circuit is provided with a circuit on/off push-button and a combination signal light/button.  A recessed sidetone control for each pair of circuits permits the level control of those signals heard in the operator's own earspeaker that is plugged into the host unit (a function he would have when using a beltpack).

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The RSM-2 remote (sub-master) station provides the basic functions of a 2-circuit master station but without the paging, auxiliary input, linking features or power supply.  Front panel controls consist of a circuit on/off button for each circuit and a combination signal lamp/signal button for each circuit.  Also on the front panel is a high quality loudspeaker and a switch to disable it.  The volume control regulates the speaker level and/or the headset level.  A jack is provided for connection of either a headset or a gooseneck microphone (both optional).  Sidetone can be adjusted through a recessed screwdriver adjust control and a switch is provided for muting the microphone.  Like a master station, it can communicate with two separate groups of stations without combining those two groups.  The rear panel provides one male and one female XLR-type connector for each circuit, permitting loop-through connections.  While it could, in combination with the appropriate power supply, function as an economical master station, it is intended to be used as the control center for a secondary communications group.  A typical application would be at a sound mix position where one circuit would be connected to the stage manager’s circuit with the other being connected only to the stage monitor mix position.  The RSM-2 is available either rack mounted, as shown, or with side panels incorporating carry handles.

The RSM-1 remote (sub-master) station provides the basic functions of a 2-circuit master station but without the paging, auxiliary input, linking features or power supply.  Front panel controls consist of a circuit on/off button for each circuit and a combination signal lamp/signal button for each circuit.  The volume control regulates the headset level.  A jack is provided for connection of a headset (Optional).  Sidetone can be adjusted through a recessed screwdriver adjust control and a switch is provided for muting the microphone.  Like a master station, it can communicate with two separate groups of stations without combining those two groups.  The rear panel provides one male and one female XLR-type connector for each circuit, permitting loop-through connections. While it could, in combination with the appropriate power supply, function as an economical master station, it is intended to be used as the control center for a secondary communications group.  A typical application would be at a sound mix position where one circuit would be connected to the stage manager’s circuit with the other being connected only to the stage monitor mix position.

The PS-1 is a highly regulated 24 VDC, 2 Amp (continuous) power supply capable of supplying up to 66 BP-1 beltpacks with all signal lights constantly lit. It may be rack mounted or used as a table-top unit, when fitted with its optional plain side panels and plastic feet.

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The PS-2 is highly regulated 24VDC, 2 Amp (continuous) power supply capable of supplying up to sixty-six BP-1 Beltpacks with all signal lights lit.  It may be rack mounted or used as a table-top unit, when fitted with its optional plain side panels and plastic feet.

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The PS-3 provides the facilities necessary to power your cabled intercom system from batteries.  Typically, a pair of 12V batteries are wired in series to provide 24V, then connected to the PS-3. Best because of size, weight, and rechargeability, are motor- cycle batteries, but auto or even lantern batteries may be used.  Time between recharging will depend upon the number of stations connected, but as an example, a pair of 150 Ampere/Hour batteries would power ten beltpacks, with their signal lights constantly On, for over 1000 hours.

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The PS-4 System Interface provides precise voltage regulation, further smoothing of the DC current from the power supply (AC hum elimination), automatic overload/short-circuit protection and the necessary termination network for the intercom circuit.  It features an LED indicator which indicates that 24VDC is being delivered, and 3 paralleled XLR jacks for connection to headset stations or strings of stations in party-line configurations.

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The AD2410 AC/DC Power Adaptor provides up to 1 .0A of current at a nominal 24 VDC. It is UL® , CE and CSA® approved.  It’s AC input is universal, operating at any voltage from 100 to 250VAC at either 50 or 60Hz.  The cool running AD2410 features a removable IEC power cord and captive DC output cable with a connector compatible with the PS-4 Intercom System Interface.  It has rubber feet for table-top use and can be conveniently mounted almost anywhere in a facility with velcro, tie-wraps or removable adhesive products.

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