13: Remote Communication Over Telephone Lines Using The Rs485 Port; Figure 5.13: Remote Connections-Rs485 - Electro Industries Nexus 1262 Installation & Operation Manual

5.3.13: Remote Communication Over Telephone Lines Using the RS485 Port

Use modems (dedicated or dial-up) when devices are at great distances. We recommend using
RS485 wiring with a Modem Manager.
PC at office
e Electro Industries/Gauge Tech
Remote Connection—RS485
Originate
Telephone Line
Modem
NULL Modem Adapter
(Not required if Modem Manager is used
Figure 5.13: Remote Connections—RS485
Doc # E151701
Remote ®
Nexus
Modem
RS-
)
RS232 to RS485
Converter
(Modem Manager
Recommended)
1262/1272 Meter
5-14