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Options:______________________________
Date Received:________________________
Software Revision:____________________
(Play Speed LTC Reader with RS232/RS422 Outputs)
The serial interface is programmed as follows (change as needed):
Protocol:__________
Baud Rate:_________
Third Edition
Copyright (C) 1997 by Adrienne Electronics Corporation
7225 Bermuda Road, Unit G
tel:+1-702-896-1858
Printed in U.S.A.
AEC-BOX-1 Manual
AEC-BOX-1
INSTRUCTION MANUAL
ADRIENNE ELECTRONICS
CORPORATION
Op Mode:____________
# Data Bits:________
(protocol related)
1 2 3 4 5 6 7 8
Switches = _ _ _ _ _ _ _ _
*
Las Vegas, NV
fax:+1-702-896-3034
All rights reserved.
Page 1 of 20
Address:__________
Parity:___________
January 1997
89119
*
U.S.A.
www.adrielec.com
January 1997
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Summary of Contents for Adrienne Electronics AEC-BOX-1
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Page 1: Title Page And Copyright Notice
(protocol related) 1 2 3 4 5 6 7 8 Switches = _ _ _ _ _ _ _ _ Third Edition January 1997 Copyright (C) 1997 by Adrienne Electronics Corporation 7225 Bermuda Road, Unit G Las Vegas, NV 89119 U.S.A. -
Page 2: Fcc And Trademark Notices
*** TRADEMARK NOTICES *** Adrienne, AEC, AEC-BOX, PC-207M, PC-LTC, PC-VITC, and PC-VLTC are trademarks of Adrienne Electronics Corporation. SMPTE is a registered trademark of The Society of Motion Picture and Television Engineers, Inc. -
Page 3: Table Of Contents
Break Character Detection........14 Serial Interface Standards........15 Troubleshooting Guide..........16 Warranty Registration, Warranty Service, etc....17 ASCII Code Chart..........18 Number System Conversion Table.........19 Where to Order Copies of Standards......20 User Feedback Request........back Ordering Guide..........back Schematics...........back AEC-BOX-1 Manual Page 3 of 20 January 1997... -
Page 4: Introduction
Call us if you want more information on any of these products. GETTING STARTED QUICKLY If you want to use your AEC-BOX-1 right away, without reading the whole manual, just do the following: 1) Plug the AC power cord into a suitable voltage AC outlet. -
Page 5: Specifications
AEC-BOX-1 SPECIFICATIONS LTC INPUT (factory default single-ended mode): Impedance 20kohms typical Input Level 100mVpp to 20Vpp DC on Input +1V maximum LTC INPUT (optional differential mode): Impedance 20kohms typical Input Level 100mVpp to 20Vpp DC on Input +1V maximum CMRR >26dB @ 60Hz... -
Page 6: Hardware Description
AEC-BOX-1 HARDWARE DESCRIPTION Throughout the following discussion you may want to refer to AEC-BOX-1 schematic which is in the back of this manual. If your box has been customized in any way for your application, then the descriptions below may not be entirely accurate. -
Page 7: External Cabling Installation
SERIAL OUTPUT CONNECTIONS: If you ordered a serial data cable with your AEC-BOX-1, just plug in to the 9-pin "D" connector (which has socket contacts) back of the unit. Otherwise, you may use the kit of... -
Page 8: Ac Input Voltage Range Selection
T1). Also make sure that the two wires you added are flush with the bottom of the board, and will not even come close to touching to bottom cover. AEC-BOX-1 Manual Page 8 of 20 January 1997... - Page 9 Use a continuity tester to verify that the ground lug on your new power cord is connected directly to the AEC-BOX chassis. AEC-BOX-1 Manual Page 9 of 20 January 1997...
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Page 10: Dip Switch Programming
38400 baud => 19200 baud => 9600 baud => 1200 baud Note that at 1200 baud, it normally takes longer than frame to transmit a message, so some LTC frames will be skipped. AEC-BOX-1 Manual Page 10 of 20 January 1997... - Page 11 3) Reattach the bezels to the chassis with the four small black screws you removed earlier. Be careful not to strip the threads in the aluminum side extrusions! AEC-BOX-1 Manual Page 11 of 20 January 1997...
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Page 12: Binary Message Protocol
BINARY MESSAGE PROTOCOL Assuming that the LTC input is OK, the AEC-BOX-1 will use 8 data bits per character to transmit the following message every frame: Byte 0 BREAK (20 bits low, then 2 bits high) Byte 1 Status and length byte:... -
Page 13: Ascii Message Protocol
This protocol is much simpler than the BINARY protocol, but it is also much more limited in its capabilities. Assuming that LTC input is OK, the AEC-BOX-1 will use 7 data bits per character to transmit the following message every LTC frame: Byte 1 Time code hours, tens digit. Byte 2 Time code hours, units digit. -
Page 14: Break Character Detection
The RS232 output signal on the 9-pin "D" connector has a polarity opposite from that described above. The TX232 line, which normally low (at -6V), pulses high (to +6V) for 20 periods when the break character is transmitted, then goes back low. AEC-BOX-1 Manual Page 14 of 20 January 1997... -
Page 15: Serial Interface Standards
For the "+" output, typical output low voltages about 0V, and typical output high voltages are about +4V. For the "-" output, the signal polarity is reversed. In the AEC-BOX-1, RS422 transmitter is always enabled. ESbus Standard: ESbus (EBU/SMPTE Machine Control... -
Page 16: Troubleshooting Guide
AEC-BOX-1 TROUBLESHOOTING GUIDE This guide lists anticipated problems and their solutions. you really get stuck, call our Service Department. Problem #1: Power LED does not blink ON when power is applied: Solutions : a) Check for presence of external AC power source. -
Page 17: Warranty Registration, Warranty Service, Etc
Call Service Department for assistance. We have the test equipment, parts, and experience to quickly find and fix any problems. AEC-BOX-1 Manual Page 17 of 20 January 1997... -
Page 18: Ascii Code Chart
42 2Ah asterisk ASCII is an abbreviation for "the American Standard Code for Information Interchange". NOTE: The keystrokes indicated above are for IBM PC's, and may be slightly different for your equipment. AEC-BOX-1 Manual Page 18 of 20 January 1997... -
Page 19: Number System Conversion Table
BCD format as used time bits I/O. The 30 second (half minute) mark would read (or written) as a 30h byte, even though 30 decimal same as binary 1Eh. AEC-BOX-1 Manual Page 19 of 20 January 1997... -
Page 20: Where To Order Copies Of Standards
Fax: +1-703-907-7727 These standards are sold only by Global Engineering Documents: Tel: 1-800-854-7179 Tel: +1-303-397-2573 Fax: +1-303-397-2740 1) TIA/EIA Standard RS232-E $49.00 2) TIA/EIA Standard RS422-A $51.00 3) TIA/EIA Standard RS485 $60.00 AEC-BOX-1 Manual Page 20 of 20 January 1997...
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