BB Electronics Surge Protector 232DSP User Manual

232DSP4502-1/1  
© 2002 by B&B Electronics. All rights reserved.  
Model: 232DSP  
RS-232 Surge Protector CE  
Overview  
B&B Electronics’ Model 232DSP protects RS-232 ports from damage caused by large voltage peaks from  
lightning and other power problems. The Surge Protector uses 600W Transient Voltage Suppressors to protect pins 2  
through 8 and pin 20. It has one DB-25 male and one DB-25 female connector with all 25 pins passing straight  
through. The TVSs are connected between the ground screw and pins 2,3,4,5,6,7,8, and 20. The 232DSP will  
suppress any voltage levels above 12 volts without affecting the normal RS-232 data.  
The 232DSP is placed inline, between the data cable and the RS-232 port, as close to the protected port as  
possible. The ground screw must be connected to earth ground. A minimum of 12 AWG copper wire is recommended.  
B&B’s Model CU15B is 1.5 x 0.016 in (38 x .25 mm) copper cut to length for ground connections that are longer than a  
few feet (one meter). If this device is not properly grounded it will not protect RS-232 lines.  
Specifications  
Clamping Voltage:  
Peak Pulse Power:  
Response Time:  
Typical Capacitance:  
Ground Screw:  
12 volts  
600 watts @ 1 msec.  
less than 1 picosecond  
200 picofarads  
size 10#  
DECLARATION OF CONFORMITY  
Manufacturer’s Name:  
B&B Electronics Manufacturing Company  
Manufacturer’s Address:  
P.O. Box 1040  
707 Dayton Road  
Ottawa, IL 61350 USA  
232DSP  
RS-232 Surge Protector  
Light industrial ITE equipment  
Model Number:  
Description:  
Type:  
Application of Council Directive: 89/336/EEC  
Standards:  
EN 50082-1  
EN 61000 (-4-2, -4-3, -4-4, -4-6)  
William H. Franklin III, Director of Engineering  
International Headquarters:  
707 Dayton Road P.O. Box 1040 Ottawa, IL 61350 USA  
Westlink Commercial Park Oranmore Co. Galway Ireland  
+353 91 792444 Fax +353 91 792445  
 

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