SECO LARM USA TV Converter Box EVA RS1 User Guide

®
ENFORCER  
VIDEO  
RS-232 to RS-485 Converter  
EVA-RS1  
Range: 3/4 Mile (1,200 Meters)  
Features:  
9-pin DB-9 female connector for RS-232 to  
2-wire removable Terminal Block for RS-485.  
35 x 15mm  
Two wire, differential signals, half duplex.  
No external power supply required. Port powered.  
Auto-switching baud rate, speed up to 115,200  
baud (115.2 kbps) over a distance of 1200 meters.  
Up to 32 devices may be connected together in  
RS-485 multipoint operation.  
Sample Installation:  
No software needed. Automatic send data  
control.  
RS-485 (  
+)  
EVA-RS1  
RS-485 (  
-
)
Removable terminal block for ease of installation  
and trouble shooting.  
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!!!!!!!!!!!!!!!!!!!!  
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RS-232  
Specifications:  
Input  
Dimensions:  
19/ ” (15mm)  
32  
RS-232, DB9  
Output  
RS-485, Removable terminal block  
10mA (max)  
3,700 ft. / 1200 meters  
32  
Current consumption  
Transmission range  
Connector  
®
"
ENFORCER  
13/ ”  
(10.1m3m2 )  
EVA-RS1  
RS232 to RS485 Converter  
SECO-LARM®  
"
Power  
No power required, port powered  
-22o~158oF (-30o~70oC)  
14o~113oF (-10o~45oC)  
27/ x15/ x5/ (73x33x17mm)  
Storage temperature  
Operating temperature  
Dimensions - W x H x D mm  
21/ ” (52.6mm)  
16  
16  
8
8
23/ ” (69.5mm)  
4
Balunsf.pmd  
The SECO-LARM policy is one of continual development. For that reason, SECO-LARM reserves the right to change prices and specifications without notice. SECO-LARM is not responsible for misprints.  
SECO-LARM® U.S.A., Inc.,  
16842 Millikan Avenue, Irvine, CA 92606  
Tel: 1-800-662-0800 (Domestic U.S. & Canada)  
Tel: 1-949-261-2999 (California & International)  
 

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