Serial Interface - Siemens ESM Operating Instructions Manual

4.1.6

Serial Interface

OSM/ESM modules have an RS-232 interface. This is used for the following
purposes:
−
Firmware Updates
−
Management with the aid of the command line interpreter (CLI) including
setting the IP address information (see /1/).
Figure 23: Pinout
Industrial Ethernet OSM/ESM
C79000-Z8976-C068-10
Interfaces, Displays and Operator Controls
Pin 1
DSR Pin 6
RTS Pin 7 Pin 2 RD
Pin 3 TD
CTS Pin 8
Pin 4 DTR
Pin 9
Pin 5 SG
49