Siemens SIMATIC NET User Manual

Planning/configuring
7.1 Network topologies
Optical link module
Operating Instructions, 01/2020, C79000-G8976-C270-06
63
Configuration 2 (FOC1 < FOC2) , LED display:
1. Situation, no FO cable interruption:
OLM 1
OLM 2
System LED
Lit green
Lit green
CH1/0 LED
Lit yellow
Lit yellow
CH2 LED
Lit yellow
Lit yellow
CH3 LED
Not lit
Not lit
2. Problem, FOC1 interrupted:
OLM 1
OLM 2
System LED
Lit green
Lit green
CH1/0 LED
Lit yellow
Lit yellow
CH2 LED
Lit red
Lit red
CH3 LED
Lit yellow
Lit yellow
3. Problem, FOC2 interrupted:
OLM 1
OLM 2
System LED
Lit green
Lit green
CH1/0 LED
Lit yellow
Lit yellow
CH2 LED
Lit yellow
Lit yellow
CH3 LED
Lit red
Lit red

Siemens SIMATIC NET Specifications

General

Category	Industrial Communication Software
Manufacturer	Siemens
Operating Systems	Windows, Linux
Protocols Supported	PROFIBUS, PROFINET, OPC UA
Compatibility	Siemens PLCs, Third-party devices with supported protocols