Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S. call 724-746-5500)
FREE technical support 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746
Mailing address: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018
Web site: www.blackbox.com • E-mail: [email protected]
Customer
Support
Information
February 2010
MT1000A-85-R4
BLACK BOX
®
Get convenient avalanche diode protection
for your DB15 (15-wire) connections.
RS-422/423/485 (DB15 15-Wire)
In-Line Surge Protector, RS-422/423/485 (DB15 15-Wire)
SP508A
For installation instructions, turn this page over…
Overview
This model protects RS-422 interfaces that use a DB15
connection.
What’s included
• In-Line Surge Protector
• Specification sheet
Specifications
Application:
RS-422, RS-423, RS-485
Ground Wire:
Yes
Maximum Shunt Capacitance:
<30 pF
Peak Pulse Current:
132 amps
Pins Protected:
All
Protection Type:
Avalanche diode technology
Response Time:
<5 ns
Standard Clamping Voltage:
7.5 volts
Connectors:
(1) DB15 M, (1) DB15 F
