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5 standby-sync port – Siemens ESM User Manual

Page 52

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Interfaces, Displays and Operator Controls

Industrial Ethernet OSM/ESM

48

C79000-Z8976-C068-10

4.1.5 Standby-Sync

Port

A 9-pin female connector is used on the OSMs/ESMs with 8 ports to connect the
ITP XP standard cable 9/9 for the redundant standby coupling. The casing of the
connector is electrically connected to the casing of the OSM/ESM.
The OSM TP22 and ESM TP40 do not have a standby-sync port.

A screw locking mechanism holds the connectors firmly in place.

Stby_In + Pin 1

Stby_Out + Pin 5

Pin 6 Stby_In -

Pin 7 n.c.
Pin 8 n.c.
Pin 9 Stby_Out -

n.c. Pin 2
n.c. Pin 3
n.c. Pin 4

Figure 22: Pinout

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