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Pelco CM9760-CXTA - page 1
CM9760-CXT A Coaxitr on ® T ranslator Installation/ Operation Manual C539M-A (12/01) ® Pelco • 3500 Pelco W ay • Clovis, CA 93612-5699 USA • www .pelco.com In North America and Canada: T el (800) 289-9100 • F AX (800) 289-9150 International Customers: T el +1(559) 292-1981 • F AX +1(559) 348-1 120 ...
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Pelco CM9760-CXTA - page 2
2 Pelco Manual C539M-A (12/01) CONTENTS SECTION I: CXT A OVERVIEW 1.1 DESCRIPTION .................................................................................................. 6 1.2 MODELS ............................................................................................................ 6 1.3 CONTROL AND RECEIVER OPTION COMP A TIBILI ...
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Pelco CM9760-CXTA - page 3
Pelco Manual C539M-A (12/01) 3 LIST OF T ABLES T able Page A Connection Disparities ....................................................................................... 7 B Signal Interface T able ........................................................................................ 22 C (TIA/EIA-422) Cable Example ............................ ...
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Pelco CM9760-CXTA - page 4
4 Pelco Manual C539M-A (12/01) (This page intentionally left blank.) ...
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Pelco CM9760-CXTA - page 5
Pelco Manual C539M-A (12/01) 5 IMPOR T ANT SAFEGUARDS AND W ARNINGS Prior to installation and use of this product, the following W ARNINGS should be observed. 1. Installation and servicing should only be done by qualified service personnel and con- form to all local codes. 2. Unless the unit is specifically marked as a NEMA T ype 3, 3R, 3S, 4, 4X, ...
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Pelco CM9760-CXTA - page 6
6 Pelco Manual C539M-A (12/01) NOTE: For those familiar with device attachment to 9760 systems, a convenient reference box is provided in the margin that lists the COMMS communication file parameters for CXT A attachment to a CM9760-CC1. Refer to Section 3.3 Software Considerations , for additional information. SECTION I: CXT A OVERVIEW 1.1 DESCRIP ...
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Pelco CM9760-CXTA - page 7
Pelco Manual C539M-A (12/01) 7 SECTION II: CXT A DEFINING CHARACTERISTICS A number of configuration and connection decisions are made at the CXT A level in order to interface it with one of three controllers, one of two protocol “flavors” and a large selection of receiver options. The next section lists connection and configuration options dete ...
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Pelco CM9760-CXTA - page 8
8 Pelco Manual C539M-A (12/01) The breakdown, with respect to cascading for each controller , is as follows: • For the 9760, cascading is allowed; addressing is no problem. • For the MPT9500, addressing 32 receivers is no problem; it is not, however very prac- tical as the controller itself is Coaxitron capable. See the remarks made in the MPT ...
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Pelco CM9760-CXTA - page 9
Pelco Manual C539M-A (12/01) 9 2.1.4 CONFIGURA TION SWITCH The decode of configuration switch functions is indicated in Figure 5 and discussed in detail in the paragraphs that follow . This configuration switch configures the translator with respect to the following functions: 1. BNC Input Group (allocated in x8 groupings) and protocol “flavor” ...
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Pelco CM9760-CXTA - page 10
10 Pelco Manual C539M-A (12/01) 2.1.4.2 Protocol T ype This bit is set to correspond to the protocol input of the associated controller (see Figure 7). Figure 7. Protocol T ype 2.1.4.3 Unused DIP Switch DIP switch position 1-4 is not used but is reserved for future use. Figure 8. Unused Configuration Bit 2.1.4.4 BAUD Rates The baud rate chosen must ...
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Pelco CM9760-CXTA - page 11
Pelco Manual C539M-A (12/01) 11 2.1.4.5 Channel or Address Select If DIP 1-7 is set to the OFF position, the translator responds to addresses 1-16. If DIP 1-7 is ON, the translator responds to addresses 17-32. Therefore, in a cascaded configuration, DIP 1-7 on the first translator would normally be set to OFF (for the first 16 addresses) and DIP 1- ...
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Pelco CM9760-CXTA - page 12
12 Pelco Manual C539M-A (12/01) SECTION III: CXT A INST ALLA TION 3.1 MOUNTING THE CXT A Installation of the CM9760-CXT A translator is relatively simple (refer to Figure 12). It is rack mountable in a standard 19-inch (48.26 cm) rack, using only one RU of vertical rack space. Once the unit is physically mounted, cable hookup in accordance with the ...
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Pelco CM9760-CXTA - page 13
Pelco Manual C539M-A (12/01) 13 3.2.2 9760 SYSTEM HOOKUP (P Protocol) T wo possibilities are: 1. Single or multiple translators hooked to unique Sercom ports on a system matrix switch, or 2. Item (1) with the addition of cascaded translators added to the mix. The second possibility (item 2) encompasses the first, so a system hookup illustrating it ...
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Pelco CM9760-CXTA - page 14
14 Pelco Manual C539M-A (12/01) Flowchart 1. Installation Decision T ree The following flowchart might prove helpful as an aide in configuring the different systems mentioned above with CXT A translator(s). The flowchart does not include direct mode using the CM9760-KBD. ...
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Pelco CM9760-CXTA - page 15
Pelco Manual C539M-A (12/01) 15 Figure 13. Direct Mode Installation ...
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Pelco CM9760-CXTA - page 16
16 Pelco Manual C539M-A (12/01) Figure 14. 9760 System Installation ...
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Pelco CM9760-CXTA - page 17
Pelco Manual C539M-A (12/01) 17 Figure 15. DX7000 Installation ...
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Pelco CM9760-CXTA - page 18
18 Pelco Manual C539M-A (12/01) Figure 16. MPT9500 Installation ...
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Pelco CM9760-CXTA - page 19
Pelco Manual C539M-A (12/01) 19 3.3 SOFTW ARE CONSIDERA TIONS Despite the considerations given in this section to highlight aspects of required software setup, there is no substitute for consulting the respective manuals for both the controller chosen and for the receiver to be used. Y ou must take care to match the capabilities of the controller a ...
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Pelco CM9760-CXTA - page 20
20 Pelco Manual C539M-A (12/01) 3.3.2 CM9760-KBD DIRECT MODE Consult the required manuals for setting up direct mode operation. The KBD manual (C540M) is the most important. In particular , see section 3.2.7 Direct Camera Control/Serial Port Speeds in the KBD manual. 3.3.3 MPT9500 TRANSMITTER/CONTROLLER Y ou must be in RS-485 mode (as shown on the ...
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Pelco CM9760-CXTA - page 21
Pelco Manual C539M-A (12/01) 21 SECTION IV : CXT A OPERA TION 4.1 POWER-UP At power up, the system microcontroller reads the configuration switch, dip switch posi- tions, sets up the internal UART with the requested baud rate and stores the configuration settings in internal RAM. Subsequent protocol-specific commands to the translator result in the ...
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Pelco CM9760-CXTA - page 22
22 Pelco Manual C539M-A (12/01) SECTION V : APPENDIX 5.1 COMMUNICA TION P ARAMETERS There is only one basic set of signal interface rules that you must consider when wiring two 9760 communication devices together . Those rules are given in step 3 below . Frustration arises only if the information you are given does not enable you to identify those ...
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Pelco CM9760-CXTA - page 23
Pelco Manual C539M-A (12/01) 23 If a cable is “straight”, then pin 1 at one end of the cable goes to pin 1 at the opposite end of the cable. If the connecting plugs on this cable interface two devices, then pin 1 on de- vice one would physically be connected to pin 1 on device two. Straight cable is used in de- vices where the signal pin run on ...
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Pelco CM9760-CXTA - page 24
24 Pelco Manual C539M-A (12/01) 5.2 CABLE P ARAMETERS Data communication cables are used in the CM9760 system to connect required equipment to appropriate data communication ports on the CC1, which are either RS-232 or RS-422 driven. The characteristics of the cable chosen (if not supplied) depends, first of all, on the driver type it interfaces. ? ...
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Pelco CM9760-CXTA - page 25
Pelco Manual C539M-A (12/01) 25 Most of the time, connection cables are supplied with the device. As long as the supplied cable is appropriate, no problem arises. If the cable length needed is greater than that sup- plied, a problem arises for the installer/specifier as to the type of cable to use. One of the most common hookup extensions is the re ...
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Pelco CM9760-CXTA - page 26
26 Pelco Manual C539M-A (12/01) Although the communication link can be as far away as 4,000 feet (1,220 m) (per Figure 20), this is theoretical. Pelco recommends that for distances greater than 2,000 feet (610 m) a CM9505UPS-422 power supply , with data repeater, be used. In any case, Pelco recom- mends using a cable similar to Belden 9843 that mee ...
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Pelco CM9760-CXTA - page 27
Pelco Manual C539M-A (12/01) 27 SECTION VI: GENERAL 6.1 SPECIFICA TIONS ELECTRICAL Input V oltage: 100-240 V AC, 50/60 Hz, auto-ranging Power Consumption: 15V A Coaxitron Ports Video Format: NTSC or P AL Video Level: ± 6dB minimum Coaxitron Level: 0.7 V peak Data Ports Input: RS-422, 8-pin, 4-wire, RJ-45 connector . Dip switch selectable baud-rate ...
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Pelco CM9760-CXTA - page 28
28 Pelco Manual C539M-A (12/01) REVISION HISTOR Y Manual # Date Comments C539M 1/98 Original version. 8/01 Baud reference correction. C539M-A 12/01 Completely revised and updated to include added protocols, and appendix. 6.2 REGULA TOR Y NOTICES This equipment has been tested and found to comply with the limits of a Class B digital de- vice, pursua ...
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