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| Use of the maintenance connection is allowed only when maintenance operations are performed at qualified locations. CL61 does not comply with EMC standards when the door is open. The door has a conductive gasket to suppress electromagnetic radiation. When CL61 is used for normal operation, the door must always be closed. |
The maintenance connection is established with the Ethernet maintenance cable included in the delivery, connecting the PC or laptop to the maintenance port of the ceilometer. The Ethernet maintenance port is located at the bottom of the measurement unit.
| Push the plug into the port and turn 90ยบ to lock in place. |
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Connect your laptop to the maintenance port of CL61 with the Ethernet maintenance
cable.
Maintenance port: eth0
Data port: eth1
Figure 1. Measurement unit connectors, back of ceilometer 
- 1
- Ethernet maintenance port (eth0)
- 2
- Ventilation plug
- 3
- AC/DC in
- 4
- Interface unit (control)
- 5
- Interface unit (data)
CAUTION Remove the Ethernet maintenance cable after setup. It is not intended for permanent installation.