B+B SmartWorx 422PP9R Quick Start Manuals

4
Biasing Resistors
The biasing resistors for the RS-422/RS-485 receiver are
4.7k Ohm resistors. These resistors are labeled R1 and
R2 (See Figure 2). Refer to B&B SmartWorx "RS-422/485
Application Note" for further information on biasing.
Model 422PP9R - RS-422/485 Biasing Resistors
Model 422PP9TB - RS-422/485 Biasing Resistors
Document Number: 710-10806-00_422PP9R&422PP9TB_2117qsg
5
External Power Supply Use
(Model 422PP9TB only)
When using an external supply, the supply should be
connected only to specifically labeled power inputs (power
jack, terminal block, etc.).
Connecting an external power supply to the handshake lines
may damage the unit. Contact B+B SmartWorx technical
support for more information on connecting an external
power supply to the handshake lines.
Recommended Accessories
DB9 Male to DB9 Female Cable
6 feet (1.8 m) length
# 9PAMF6
12VDC, 6W Power Supply, Stripped/
Tinned, International AC Input
(optional for 422PP9TB only)
# SMI6-12-V-ST
1-888-948-2248 | Europe: +353 91 792444
advantech-bb.com
707 Dayton Road | PO Box 1040 | Ottawa, IL 61350
Phone: 815-433-5100 | Fax: 815-433-5109
www.advantech-bb.com | E-mail: support@advantech-bb.com

QUICK START

GUIDE
422PP9R
422PP9TB
Port-Powered RS-232 to RS-422 Converter
Before you begin, be
sure you have the following:
+ RS-232/422 Port-Powered Converter
+ DB9M to DB9F Adapter Cable (not included)
+ 12VDC, 6W Power Supply (not included,
optional for Model 422PP9TB only
www.advantech-bb.com
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