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MODEL485P
RS-232 to RS-485/422 Converter
User manual
Shenzhen 3onedata Technology Co., Ltd
Tel: +86-755-26702668 Fax: +86-755-26703485
www.3onedata.com
【
Introduction
】
Model485P is a high performance, more function RS-232/485/422
interface converter. The product configure out connect power,
optic-electrical isolation more than 2.5KV. Have small volume, far
transmission distance, high rate, steadily performance and so on. It is
abroad used in industry control system, It is an interface convert
product that have good between performance to price. Adopt itself
adapt interface technique, no use for setup switch.
【
Packing list
】
Please check the packaging and accessories by your first using.
1. Model485P
×
1
2. 9VDC power adapter
×
1
3. Separate terminal block(DB9F to 5 bit, optional)
×
1
4. User manual
×
1
5. Certificate of quality
ⅹ
1
6. Warranty card
ⅹ
1
Please inform us or our distributor if your equipments have been
damaged or lost any accessories, we will try our best to satisfy you.
【
Feature
】
1. 9VDC power input, 2500V optical isolation
2. Plug-and-Play (hot-pluggable, data format auto-sensing &
self-adjusting)
3. Data direction auto-turnaround, no flow control is necessary
4. 1500W surge protection, 15KV ESD protection
5. 1800m transfer distance (115200bps)
6. RS-485/RS-422 connector RJ45, DB9M or 5 bit terminal block
【
Pinout Configuration
】
RS-485 port adopt DB9M (DB9F to 3 bit terminal block), RS-232
port adopt DB9F (Female), 9VDC power supply Input.
DB9F (Female/hole)
DB9M (Male)
RJ45 (Female) for RS-485/422:
DB9F to 5 bit terminal block:
T+/485+
RS-422 send+/485+
T-/485-
RS-422 send-/485-
GND
Signal ground
R+
RS-422
R-
RS-422 receive-
【
LED Indicator
】
RS-232 (DB9F)
2
TXD
3
RXD
5
GND
RS-485/422 (DB9M)
1
T-/D-
2
T+/D+
3
R+
4
R-
5
GND
PIN#
1
2
3
6
7,8
RS485
D+
D-
GND
RS422
T+
T-
R+
R-
GND
Power
Red, Power supply indication
On: power joined; Off: no power connect
RxD
Green light, RS-485/422 interface receive data point out
On: There are data that are received; Off: no data receive
TxD
Yellow light, RS-485/422 interface send data um instruct,
On: data setting; Off: no data setting
1
8