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Summary of Contents for Telex DBX
- Page 1 ™ ADAM Dual Bus Expander Telex Communications, Inc. • 12000 Portland Ave South • Burnsville, MN 55337 9350-7532-000 Rev F, 07/2004...
- Page 2 ADAM Dual Bus Expander...
- Page 3 ADAM Dual Bus Expander STOP!!! You must have REV D of the DBX backplane!!! Contact your Sales Representative for more information.
- Page 4 90357532-000 Warranty Information RTS products are warranted by Telex Communications, Inc. to be free from defects in the materials and workmanship for a period of three years from the date of sale. The sole obligation of Telex during the warranty period is to provide, without charge, parts and labor necessary to remedy covered defects appearing in products returned prepaid to Telex.
- Page 5 IMPORTANT: PLEASE READ THIS DOCUMENT CAREFULLY BEFORE USING THIS PRODUCT. THIS DOCUMENT STATES THE TERMS AND CONDITIONS UPON WHICH TELEX COMMUNICATIONS, INC. (the “COMPANY”) OFFERS TO LICENSE THE INSTALLED SOFTWARE OR PROGRAM (the “SOFTWARE”) FOR USE WITH THIS PRODUCT IN WHICH IT WAS INSTALLED.
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Page 7: Table Of Contents
ADAM Dual Bus Expander Table of Contents General Description of DBX Communication Scheme and Failure Modes ....... 9 DBX Wiring and Communications ..................9 Failure Modes ........................10 Definitions ........................... 10 ADAM DBX Upgrade ......................... 17 ADAM DBX Link Mapping ......................22 Dual Bus Expander (DBX) LED Diagnostics ................ - Page 8 ADAM Dual Bus Expander...
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Page 9: General Description Of Dbx Communication Scheme And Failure Modes
DBX cards and the wiring connections would form a giant circle. If all the links in a DBX system are up and running, it is possible for a DBX card to send a message out its... -
Page 10: Failure Modes
**** In a redundant system, it is possible to pull any one DBX card, or cut any one link (RX or TX or both), and the system will continue to operate normally (other than a small glitch in audio as faults are detected and the redundant resources kick in). - Page 11 Audio Clock: There is only one master clock used for audio in the entire intercom. This clock is provided by one of the cards in slot 8 or slot 9 in the first frame (usually a DBX card, although it could be an AIO card in slot 8 in systems that have only 1 DBX card per frame).
- Page 12 In a redundant audio system, it is possible to pull any one DBX card, or cut any one link, and the system will continue to operate normally (other than a small glitch in audio as faults are detected and the redundant resources kick in).
- Page 13 Partial Redundancy: (4 & 6 Frame Non-Redundant Systems only) Consider the 4-frame non-redundant system. Each frame requires 3 links - one to each of the other frames. That requires 2 DBX cards, which gives us 4 links, i.e. one spare link per frame. The wiring table is such that there will be 2 links between frames 1 &...
- Page 14 6 DBX cards total (2 per frame). • 12 coax interconnections. • redundant control and audio • Loosing any single DBX card has no effect. • Loosing any single link has no effect. • Loosing either Master Controller in primary frame has no effect. •...
- Page 15 In DBX intercoms, communications errors will occur on J9 and J10, even at 9600 baud. However, J7 and J8 can be used in place of J9 and J10, by closing DIP switch 1 position 6 on both peripheral controller cards (frame 1). These ports have FIFO buffers built into them, which significantly reduces the number of communications errors.
- Page 16 ADAM Dual Bus Expander DBX Multiple AZedit Sessions Baud Rate: Select the highest baud rate that will work correctly. Unlike the baud rate setting for the primary AZedit session, which is set by a master controller DIP switch, the baud rates for second and third computers are set in software, and there are no DIP switches for this.
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Page 17: Adam Dbx Upgrade
DO NOT use for spare card storage. In frame 1 only, change Master and Standby Controller flash U2 & U4 to new DBX Peripheral Controller flash ver 10.2.x. These cards will be heretofore referred to as “Peripheral Controllers” (PC). - Page 18 ADAM Dual Bus Expander Put only one DBX card in frame 1, slot 9 (turn on DIP 7), and one PC card in frame 1, slot 19 (also needs dip 7 on). Power up frame 1 ONLY and ensure AZedit goes on line. Resize to new final system size under Options/Intercom Configuration.
- Page 19 ADAM Dual Bus Expander Figure 1. Verify software versions (steps 3,13, 25) Figure 2. Set up frame size and DBX options (steps 9,19, 20)
- Page 20 ADAM Dual Bus Expander Figure 3. DBX Link Status (steps 14) Figure 4. Set up Options page (steps 10, 20)
- Page 21 ADAM Dual Bus Expander ADAM Intercom Size vs. SBX/DBX and AIO Card Population DBX Card Population.XLS 7/2/2000 Number of Slots Number of Panels Per I/O Card Single Bus Expanders with 8 port A nalog I/O Cards Number Ports Bus Expanders...
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Page 22: Adam Dbx Link Mapping
ADAM Dual Bus Expander ADAM DBX LINK MAPPING A 1/9 B Frame Number/DBX Slot Number DBX Card DBX Card A 1/9 B Port B Port A DIAGRAM KEY 2 Frame Non-Redundant 248 - 256 ports A 1/9 B A 1/9 B... - Page 23 ADAM Dual Bus Expander...
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Page 27: Dual Bus Expander (Dbx) Led Diagnostics
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