Table A-45 Class Attribute
No. Service Type Name
1 get UINT16 Revision
2 get UINT16 Max Instance
3 get UINT16 Num of Instances
Table A-46 Instance Attribute
No. Service Type Name Value/explanation
1 get UINT32 Interface Speed 0: link down,
10: 10 Mbps,
100: 100 Mbps
2 get ‑ Interface Flags Bit 1: Link-Status
Bit 2: Duplex Mode (0: half duplex, 1 duplex)
Bit 3 - 5: Automatic state identification
Bit 6: Reset required
Bit 7: Local hardware fault (0 = ok)
3 get ARRAY Physical Address r8935 Ethernet MAC address
4 get,
get_and_
clear
Struct of Interface Coun‐
ters
Optional, required if the "Media Counters Attribute"
is implemented.
UINT32 In Octets Received octets
UINT32 In Ucast Packets Received Unicast packets
UINT32 In NUcast Pack‐
ets
Received non-Unicast packets
UINT32 In Discards Incoming packets, not processed
UINT32 In Errors Incoming packets with errors
UINT32 In Unknown Pro‐
tos
Incoming packets with unknown protocol
UINT32 Out Octets Sent octets
UINT32 Out Ucast Pack‐
ets
Sent Unicast packets
UINT32 Out NUcast pack‐
ets
Sent non-Unicast packets
UINT32 Out Discards Outgoing packets, not processed
UINT32 Out Errors Outgoing packets, with errors
Communication
A.1 Communication
Industrial Security
Configuration Manual, 08/2017, A5E36912609A 199
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