724-746-5500 | blackbox.com
724-746-5500 | blackbox.com
724-746-5500 | blackbox.com
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© Copyright 2013. Black Box Corporation. All rights reserved.
Black Box and the Double Diamond logo are registered trademarks of
BB Technologies, Inc. Windows and Windows Vista are registered
trademarks of Microsoft Corporation. Any other trademarks mentioned
in this manual are acknowledged to be the property of the trademark
owners.
SP385A-R2 version 1
BLACK BOX
®
Add an RS-232 port to your
USB-only PC.
(2) kV of isolation protects your PC
from hazardous ground loops.
USB to RS-232 Converter with Isolation
SP385A-R2
Black Box Tech
Support: FREE! Live.
24/7. Tech support
the way it should be.
Great tech support is just 30 seconds
away at 724-746-5500 or blackbox.com.
Order toll-free in the U.S.:
Call 877-877-BBOX
(outside U.S. call 1-724-746-5500)
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
BLACK BOX
®
SP385A-R2 Quick Start Guide
• Transmit data. If the same character string is
returned, the test is good.
5. Pinout
RS-232 and TTL pinout (DB9 male DTE).
Pin
Signal Name
RS-232 Signals
TTL Signals
1
DCD (Data Carrier Detect)
Input
Not used
2
RD (Receive Data)
Input
Input
3
TD (Transmit Data)
Output
Output
4
DTR (DTE Ready)
Output
Not used
5
SG (Signal Ground)
Ground
Ground
6
DSR (DCE Ready)
Input
Not used
7
RTS (Request to Send)
Output
Output
8
CTS (Clear to Send)
Input
Input
9
RI (Ring Indicator)
Input
Not used
IMPORTANT: Install the CD drivers before
connecting the hardware to the PC.
1. What’s Included
• USB to RS-232 Converter with Isolation
• 3.2-ft. (1-m) USB cable
• CD ROM with drivers
• This Quick Start Guide