© 2002 by B&B Electronics. All rights reserved.
232SP90812-1/1
B&B ELECTRONICS
Model: 232SP9
RS-232 Surge Protector
Introduction
B&B Electronics’ Model 232SP9 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 all 9
pins. It has one DB-9 male and one DB-9 female connector with all 9 pins passing straight through. The TVSs are
connected between the ground screw and pins 1,2,3,4,5,6,7,8, and 9. The 232SP9 will suppress any voltage levels
above 12 volts without affecting the normal RS-232 data.
The 232SP9 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:
Manufacturer’s Address:
B&B Electronics Manufacturing Company
P.O. Box 1040
707 Dayton Road
Ottawa, IL 61350 USA
Model Number:
232SP9
Description:
RS-232 Surge Protector
Type:
Light industrial ITE equipment
Application of Council Directive: 89/336/EEC
Standards:
EN 50082-1
EN 61000 (-4-2, -4-3, -4-4, -4-5, -4-6, -4-8, -4-11)
Robert M. Paratore, Director of Engineering
PRODUCT INFORMATION
www.bb-elec.com
orders@bb-elec.com support@bb-elec.com
International Office:
707 Dayton Road PO Box 1040 Ottawa, IL 61350 USA 815-433-5100 Fax 433-5104
European Office:
Westlink Commercial Park Oranmore Co. Galway Ireland +353 91 792444 Fax +353 91 792445
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