Summary of Contents for Convex 2240A AUDIO / PTT PANEL
- Page 1 OPERATING MANUAL 2240A AUDIO / PTT PANEL Rev. Date: August 2011 www.ConvexCorp.com (C) Copyright 2009 CONVEX CORPORATION...
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Page 2: Table Of Contents
2240A AUDIO / PTT Panel CONTENTS SECTION 1 GENERAL PAGE SECTION 1 ILLUSTRATIONS PAGE INTRODUCTION.....1-1 FRONT / REAR PANEL.....1-1 MOUNTING......1-1 2240A APPLICATION......1-1 POWER......1-1 BLOCK DIAGRAM 2240A AUDIO / PTT..1-2 POWER ALARM / INDICATORS..1-1 BLOCK DIAGRAM PTT CIRCUIT....1-2 AUDIO and PTT COMBINING / DIST...1-1 LAN REMOTE CONTROL SCREEN....1-3... -
Page 3: Introduction
2240A AUDIO / PTT Panel GENERAL Section 1 FRONT VIEW CONVEX 2240A AUDIO / PTT PANEL AUDIO INPUTS / MONITOR JACKS PTT CONTROLS / AUDIO OUTPUTS POWER SUPPLY MAIN BACKUP NORMAL DISABLE REAR VIEW 90-264 VAC MAIN BACKUP CONTROL PTT I/O... -
Page 4: Ptt Combining / Distribution
MUTE 10 IN10 IN10 PTT BUS 1 BUS 4 FRONT PANEL 600 OHM BALANCED RECEIVERS / DRIVERS PUSH TO TALK CIRCUITS BLOCK DIAGRAM / 2240A AUDIO / PTT PANEL BUSn LAN CONTROL S24-S35 E/M SEL (1 OF 12) PTT OUT DIST... -
Page 5: Audio Input Circuits
2240A AUDIO / PTT Panel GENERAL Section 1 REMOTE PTT OVERRIDE / LAN CONTROLLABLE 1-14 SPECIFICATIONS AUDIO COMBINER / DISTRIBUTION AMPS CONVEX 2240A AUDIO / PTT PANEL v1.01 Frequency Range: 4 Hz to 5000 Hz MAIN MENU SETTING RANGE Response Variation: Less than 0.1 dB, 4 to 5000 Hz... -
Page 6: Installation
The audio checks contents and file a claim with the freight carrier. are made using a Convex 806A TIMS Test Set or equivalent equipment. Audio checks assume that the 2-3 RECEIVING OPERATIONAL CHECK Look at the three Distribution Switches (S1-S3) and Gain Controls rear panel to determine the appropriate power voltage. -
Page 7: Block Diagram 2240A Audio / Ptt
BUS 4 23/48 FRONT PANEL 12/37 12/37 24/49 24/49 600 OHM BALANCED RECEIVERS / DRIVERS PUSH TO TALK CIRCUITS BLOCK DIAGRAM / 2240A AUDIO / PTT PANEL BUSn LAN CONTROL S24-S35 E/M SEL (TIP) (1 OF 12) PTT OUT DIST... - Page 8 2240A AUDIO / PTT PANEL INSTALLATION Section 2 ------ INPUT S1 -S3 AUDIO / PTT DISTRIBUTION S36 - S47 ------ D59, D60 USED FOR DC UNITS PTT OUTPUT S12 - S23 ------ PTT INPUT IV,V S24 - S35 ------ PTT SELECT...
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Page 9: Operational Check / Alarm Logic
2. Check that the rear panel signal and power If any PTT check continues to fail with all switches in connectors are secure. default settings, contact Convex to arrange for return for warranty repair. Replace the top cover. 3. Remove four screws from the rack mounting ears, and slide the 2240A straight forward out of the cabinet being 2-3-3 Operational Check Alarm Logic. -
Page 10: Audio Mute
BUS 4 23/48 FRONT PANEL 12/37 12/37 24/49 24/49 600 OHM BALANCED RECEIVERS / DRIVERS PUSH TO TALK CIRCUITS BLOCK DIAGRAM / 2240A AUDIO / PTT PANEL BUSn LAN CONTROL S24-S35 E/M SEL (TIP) (1 OF 12) PTT OUT DIST... -
Page 11: Audio Distribution
2240A AUDIO / PTT Panel INSTALLATION Section 2 PTT Distribution S1-S3 PTT Distribution “tracks” the PTT Outputs. Connect the PTT Outputs to pairs 13/38 setup for Audio Distribution. to 24/49 of the PTT Connector on the rear panel. Refer to the 2240A Block Diagram on Page 2-4 for pin PTT Logic Conversion PTT Logic conversion permits assignments. -
Page 12: Remote Ptt Override
PRODUCT REPAIR SERVICE Post warranty 5. Return to Main Menu repair service is available for Convex products. Convex Enter Menu Item to Change (1 to 5): will advise as to the nature and cost of repair and, subject to customer instructions, will promptly repair and return the product. -
Page 13: Operation
2240A AUDIO / PTT Panel OPERATION Section 3 FRONT VIEW CONVEX 2240A AUDIO / PTT PANEL AUDIO INPUTS / MONITOR JACKS PTT CONTROLS / AUDIO OUTPUTS POWER SUPPLY MAIN BACKUP NORMAL DISABLE REAR VIEW 90-264 VAC MAIN BACKUP CONTROL PTT I/O... -
Page 14: Installation And Maintenance
BUS 4 23/48 FRONT PANEL 12/37 12/37 24/49 24/49 600 OHM BALANCED RECEIVERS / DRIVERS PUSH TO TALK CIRCUITS BLOCK DIAGRAM / 2240A AUDIO / PTT PANEL BUSn LAN CONTROL S24-S35 E/M SEL (TIP) (1 OF 12) PTT OUT DIST... -
Page 15: Final Note
Please tell us what you would like improved Convex also manufactures precision audio delay lines or changed. We appreciate your suggestions. ( The four channel 2046, one channel VDL-RS and...
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