Interflex Datensysteme GmbH 3/23
9 Laying the Cables
1 Server with time recording software, e.g. IF-6020 or IF-6040
2 IF-57xx
3 Optional: external power supply. For this purpose, use the pluggable power unit (order no. 41-10015) or a power
unit on mounting rails (order no. 41-10106)
4 IF 800 slave terminal
5 IF-4070 controller
6 PoE device switch or power injector
7 I/O interface expander for direct terminal connection (order no. 75-5735-0003)
To comply with the required EMC values, the IF-57xx master terminal requires
functional grounding, which is established via the PoE device and the patch cable. If an external power
supply is being used, functional grounding is connected to PE on the 3-pin terminal strip. Check if there is
functional grounding on the PoE device. Ground PoE devices without functional grounding via existing
soldering lugs or screw terminals.
9.1 Electrical Connections
For secure, reliable operation in compliance with EMC values, the following must be observed:
§ The specified cable lengths. The specifications indicate the permitted cable lengths that guarantee
reliable system function.
§ The cable type.
Only install data and control cables with cable shielding, e.g. cable type JY(ST)Y with anti-static shield.
§ Electrical installation standards.
The device may only be operated via electrical systems that comply with current national standards.
9.2 Power Supply
Power can be supplied to the device in two ways:
§ by an external power supply unit
§ by PoE (RJ45)