2. TECHNICAL DESCRIPTION
2.2.5.2. NET 2
NET 2
Connector Shielded female RJ45
Auto crossover Yes
Maximum cable length 100 m
Cable type UTP or ScTP, category 5
Baud rate 10/100 Mbps
Physical layer 10/100 BASE-TX (Full Duplex)
Data link layer LLC (Logical Link Control)
Network layer IP (Internet Protocol)
Transport layer TCP (Transmission Control Protocol)
UDP (User Datagram Protocol)
Diagnostic LEDs - green (speed), yellow (link/activity)
Isolation
Ethernet interface to logic and earth 1500 Vac / 1 minute
Ethernet interface to Ethernet inter-
face
1500 Vac / 1 minute
Table 13: Ethernet NET 2 Interface Features
2.2.6. Memory Card Interface
The memory card can be used for different data to be stored such as user logs, web pages, project documentation and
source files.
Memory Card
Maximum Capacity 32 Gbytes
Minimum Capacity 2 Gbytes
Type MiniSD
File System FAT32
Remove card safely Yes, by pressing MS switch
Table 14: Memory Card Interface Features
Notes:
Maximum Capacity: The memory card capacity must be less than or equal to this limit for correct operation on Nexto
CPU, otherwise the Nexto CPU may not detect the memory card or even present problems during data transfer.
Minimum Capacity: The memory card capacity must be greater than or equal to this limit for correct operation on Nexto
CPU, otherwise the Nexto CPU may not detect the memory card or even present problems during data transfer.
File System: It is recommended to format the memory card using the Nexto CPU, otherwise it may result in performance
loss in the memory card interface.
14
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