Beckhoff CB7268, Оригинальное руководство

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External connections
CB7268 14 Version: 1.1
5.4 Front panel: LAN 1 - 3 (X102, X103, X104)
The board has three Gigabit-LAN connections. (10BaseT, 100BaseT and 1000BaseT compatible network
components can be connected to these. The required speed is selected automatically. Auto-Cross and Auto-
Negotiate are available as well as PXE and RPL functionality. The controller is Intel®'s i219 for LAN1 and
i210 for LAN 2 and LAN3.
Fig. 4: CB7268 LAN X102-104
Pin assignment of LAN connector:
Pin Name Description
1 LAN-0 LAN line 0 +
2 LAN-0# LAN line 0 -
3 LAN-1 LAN line 1 +
4 LAN-2 LAN line 2 +
5 LAN-2# LAN line 2 -
6 LAN-1# LAN line 1 -
7 LAN-3 LAN line 3 +
8 LAN-3# LAN line 3 -
The LEDs of the LAN interfaces indicate the activity and speed of the data transmission (Mbit/s). The left-
hand LED lights up when there is a connection and activity, and the right-hand LED during data
transmission:
Left LED
Permanent with connection,
Flashing during data transmis-
sion Right LED
Permanent during data trans-
mission Mbit/s
Green Green 1000
Green Orange 100
Green None 10
Real-time applications
The Ethernet port connected via PCIe is usually suitable for cycle times <= 1 ms and for distributed
clock applications with EtherCAT.
The Ethernet port integrated in the chipset is usually suitable for real-time Ethernet applications with
cycle times > 1 ms (without distributed clocks).