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Secondary Connector
The secondary network connector can be used to daisy-chain multiple PLM Series, LM 26 and legacy Lake
devices. Alternatively, a dual-network topology can be created by connecting all secondary network connec-
tors to a separate Ethernet switch, ensuring full redundancy in the event of a network component failure.
Additional processor configuration is required for a
dual redundant network setup. See the Lake
Controller Operation Manual for further details.
For a technical reference of the Ethernet Port, please refer to section 7.3. Additional information is available
in the Lake Network Configuration Guide.
When connecting multiple devices to an Ethernet
network, care must be taken NOT to create a
closed loop which causes network malfunction.
GPIO Connector
A 9-pin GPIO (General Purpose Input Output) connection is provided to enable integration with external
systems such as alarm/fire systems, providing basic control of power state, mute along with fault notifica-
tion to an external monitoring system. Please refer to sections 6.10.4.4 and 7.4 for further details.
Mains Power Connector
A universal power supply capable of accepting 70-265 V ~ 50-60 Hz : 30 W is built into the LM 26. The IEC
power cable provided includes a locking feature via a pin on the bottom of the connector; the connector can
accept standard or locking IEC power cables.
The power supply must be connected to AC mains using a power cable with a correctly wired plug for the
country of operation.
Product Overview
LM 26 Operation Manual rev 1.1.8
9
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