® EA2000 Half-Duplex Equalizing Amplifier Installation/Operation Manual C632M (2/88) Pelco • 3500 Pelco Way, Clovis, CA 93612-5699 • USA • (800) 289-9100 or (1-559) 292-1981 FAX (800) 289-9150 or (1-559) 292-3827 International customers call (1-559) 292-1981 or FAX (1-559) 348-1120
TABLE OF CONTENTS Section Page 1.0 WARNINGS ........................................................................................................................................1 2.0 SCOPE ...............................................................................................................................................2 3.0 DESCRIPTION ................................................................................................................................... 2 3.1 OPTIONS.......
LIST OF ILLUSTRATIONS Figure 1 2 3 4 5 Page Typical Installation Configuration .................................................................................................... 3 EA2000 Cable Connections ............................................................................................................ 3 EA2000 Exploded Assembly Diagram ............................................................................................ 5 EA2000 Schematic (PCB9000104) ...................................
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INSTALLATION/OPERATION MANUAL MODEL EA2000 HALF-DUPLEX EQUALIZING AMPLIFIER 1.0 WARNINGS Prior to installation and use of this product, the following WARNINGS should be observed. 4. Only use replacement parts recommended by Pelco. 1. Installation and servicing should only be done by Qualified Service Personnel and conform to all Local codes. 5. 2.
2.0 SCOPE 4.0 INSTALLATION The information contained within this manual covers the installation and operation of the EA2000 Half-duplex Equalizing Amplifier. The EA2000 is designed to be used for post equalization only (located near the Coaxitron transmitter); use as a pre-equalizer is not allowed. 3.0 DESCRIPTION Figure 1 illustrates a typical system installation.
6.0 MAINTENANCE Under normal operating conditions and usage, maintenance of this equipment is not necessary. The EA2000 has no operator serviceable components and should be serviced by a trained technician or returned to the factory for repair. TERMINATE MONITOR COAXIAL CABLE COAXIAL CABLE AC INPUT MULTICONDUCTOR CABLE VIDEO J8 F1 .2 ASB J7 MPT9000CZ TRANSMITTER J6 COAXIAL CABLE COAXIAL CABLE IN AC INPUT OUTPUT OUT INPUT 12 VAC EA2000 COAXITRON® RECEIVER Figure 1.
7.0 PARTS LIST The following list corresponds to the exploded assembly diagram in Figure 3. 4 Item Qty 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 1 2 1 2 1 1 1 1 1 4 1 2 8 8 4 12 Description Part Number Connector, DC power jack #16 PJ221 Connector MTA 2-position cable w/socket Connector MTA 3-position cable w/socket Connector, BNC CP1094ULNSD CAM00 Chassis, univ M1CA Chassis cover, univ M1CA Panel front, EA2000 PCB assembly, half-duplex equalizer Panel, rear EA2000 Spacer, 1/4" hex x .
8.0 EXPLODED ASSEMBLY DIAGRAM Figure 3.
6 INPUT 2 1 3 1 2 J1 U1 4 0 11 C1 .01 C2 .01 4 3 CR3 IN 4005 R29 75K R48 3.9K CR2 CR1 IN 4005 IN 4005 CR4 IN 4005 U1 4 0 11 U1 4 0 11 75 Q10 6516 R47 6 IN VR1 7810 C U2 4 0 66 + C3 470 35V 9 R30 4.7K OUT 8 75 11 9 3 5 Q 6 2 S Q 13 +10 LEDI R7 680 C7 .001 10 Q4 6516 R2 22K R32 5 C 4 U2 R13 5.6K 10K C20 22Pf R3 10K R35 1K Q8 6516 R38 330 C U3 12 4013 Q D 8 4 C U3 1 4013 Q S 100 R37 33K R36 D + C13 33 25V 75 .002 R50 R39 R54 R40 510 3.
10.0 SPECIFICATIONS MODEL EA2000 EA2000/220 Half-duplex Equalizing Video/Control Amplifier. (UL) Same as EA2000 except 230 VAC operation. (CE) Cable Lengths: Cable Type RG59 RG6 RG11 RG15 GENERAL Environment: Maximum Effective Distance 3,000 feet (914.4 m) 4,500 feet (1371.6 m) 6,000 feet (1828.8 m) 8,000 feet (2438.4 m) 32° to 122°F (0 to 48.89°C) 0-90% relative humidity ELECTRICAL Input: Single (BNC) internally terminated in 75 ohms Dimensions: see Figure 5 Output: Weight: 3 lbs (1.
11.0 WARRANTY AND RETURN INFORMATION WARRANTY RETURNS Pelco will repair or replace, without charge, any merchandise proved defective in material or workmanship for a period of one year after the date of shipment. Exceptions to this warranty are as noted below: • Five years on FT/FR8000 Series fiber optic products. • Three years on Genex® Series products (multiplexers, server, and keyboard).
