Data Comm for Business, Inc.

RS-232 Surge Suppressor - DB-25 and RJ-45

  • Provides Surge Suppression for RS-232 Lines
  • Available in DB-25 and RJ45
  • Special OEM versions available for larger quantities
  • Inexpensive solution to ground loop and lightning problems

FEATURES
DESCRIPTION
SPECIFICATIONS

General
Connectors
Physical

FEATURES
DESCRIPTION
Surge suppression really works and is highly recommended, especially in lightning prone areas. Because DCB manufactures the SR and SPL multiplexers, we have years of experience and statistics about lightning damage and repairs. The DCB repair statistics clearly show the effectiveness of surge suppression. Customers that have had seemingly endless grief with blown out RS-232 ports find that their problems are over for good after installing the surge suppressers.

Every summer, repairs due to lightning damage used to be almost overwhelming. Now, 3 years after introducing the surge suppressers, the summer repair bulge has been eliminated.

The DCB RS-232 Surge Suppressers and DCB SR (RJ45) Surge Suppressers are the most reasonably priced and effective units available. All DCB Surge Suppressers use frame ground connection to equipment so external earth ground connections are not usually required. The DCB Surge Suppresser is used with 25 pin DB-25 type connectors. The SR version protects cables terminating in RJ45 connectors.

The DB-25 version of the surge suppresser has a male connector on one end and female on the other. This allows the device to be inserted in line with existing cabling. The RJ45 version follows RS561 wiring, the same as the DCB SR multiplexers. If you have a system that uses RS-232 in an RJ45, but with a different pinout, DCB can provide short RJ45 cable adapters. For larger OEM quantities, DCB will provide special wiring pin outs.

SPECIFICATIONS
General
RS-232 Surge Suppression
Protects RS-232 circuits from surges caused by lightning and ground loops
Connectors
RJ45 version - Two RJ-45 modular 8-conductor jacks
Protects pins 1,2,3,5,6,7,8, pin 4 is ground
Uses avalanche diodes
DB-25 - Two DB-25 connectors, one male, one female
Protects pins 2,3,4,5,6,7,8,20, pin 1 is ground
Uses MOV's
Physical
SR Surge Protector is 1.75" long, 1" in diameter

DB-25 version is 2.5" long x 2.25" wide x .6" thick

How to Order

Need them in a hurry? Order on-line!
Item Number Description Price Buy Now!
Surge Protector DB-25 RS-232 Surge Suppresser, DB-25 M-F $ 25 Qty:
9901076 RS-232 Surge Suppresser, RJ45 $ 21 Qty:
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Data Comm for Business Inc.
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