Rts SSA-424A User Manual

User InstructionsSSA-424A Dual Digital HybridADAM, ADAM CS, and Zeus IntercomsPOWER4W LEVELREF SELLEVELSETSYSTEM A4W2WTOTO2BAL112BALTW CHAN SEL-10dB0d

Installation62. On the SSA-424A front panel, set the 4W LEVEL REF SEL switches to the position which most closely matches the audio input and output l

72-Wire Audio ConnectionsNOTE: The SSA-424A features internal DC isolation. You can therefore connect to the SSA-424A to powered TW cables, and it wil

Installation8NOTE: TW systems must provide termination on the audio channel. There are two possible configurations for unbalanced connection:2. On the

94-Wire Call Signal ConnectionsFIGURE 5. Call signal connections for ADAM, ADAM CS, and Zeus Intercom Systems. This example uses GPI outputs #1 and #2

Installation10TABLE 2. UIO-256 GPI Input Connector (J7)GPI INPUT NUMBERSaGPI INPUT PIN NUMBERSUIO-256 Frame #1 UIO-256 Frame #2 UIO-256 Frame #3 UIO-2

114-Wire Call Signal ConnectionsCall Signal Connections for other 4-wire Communications Systems4-wire Call Send and Call Enable/InhibitThe SSA-424A ac

Installation122-Wire Call SignalCall Signal Connections for Audiocom, RTS TW and Clear-ComThe call signals are superimposed on the audio signal, so no

13CHAPTER 3OperationGeneral Instructions1. Attach the power pack to the SSA-424A and apply power to all components. Confirm the power indicator is lit

Operation144. Optional call signal input using the GPI• In AZedit, click GPI In on the toolbar.This opens the GPI Setup screen.• Whichever GPI Input y

15 Appendix AInternal Access1. Remove six screws from the back cover.2. Remove the top cover.This provides access to all internal adjustments.3. For o

PROPRIETARY NOTICEThe product information and design disclosed herein were originated by and are the property of Telex Communications, Inc. Telex rese

16Call Signal Option Card InstallationUse these instructions to install a Call Signal Option Card in a SSA-424A that was originally ordered without it

1TableofContentsCHAPTER 1 Description and Specifications ...1General Description ...1General Features ...1Front a

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1CHAPTER 1Description and SpecificationsGeneral DescriptionThe SSA-424A Dual Digital Hybrid interfaces two, 2-wire intercom lines to two, 4-wire inter

Description and Specifications2Front and Back Panel DescriptionsFront PanelThere is a power ON/OFF and call indicator at the left of the front panel.

3SpecificationsSpecifications2-Wire PortsInput / Output Impedance5,000 ohms, nominalOperating LevelAudiocom: 1 VRMS, nominalRTSTW/ClearCom: 775 mVRMS,

Description and Specifications4

5CHAPTER 2InstallationMountingPlace the SSA-424A on a desktop, or install it in an equipment rack using an RTS MCP Rack Mount Kit. Several rack mount