89
2017/06
Interface Flags
Common Services
Bits Name
Definition
Default value
0 Link Status Indicates whether or not the Ethernet 802.3
communications interface is connected to an
active network.
0 = inactive link
1 = active link
Depends on
application
1 Half/full duplex 0 = half duplex
1 = full duplex
If the Link Status flag is 0, Duplex bit cannot be
defined.
Depends on
application
2 to 4 Negotiation Status Indicates the status of the automatic
Duplex detection (autonegotiation)
0 = autonegotiation running
1 = autonegotiation and speed detection
failed
Using default values for speed and duplex
(10Mbps/half duplex).
2 = autonegotiation failed but detected speed
(default: half duplex).
3 = successfully negotiated speed and duplex.
4 = autonegotiation not attempted. Forced
speed and duplex.
Depends on
application
5 Manual Setting
Requires Reset
0 = interface can activate changes to link
parameters (auto-negotiate, duplex mode,
interface speed) automatically
1 = device requires a Reset service to be issued
to its Identity Object in order to adapt the
changes
0
6 Local Hardware Fault 0 = interface detects no local hardware fault
1 = a local hardware fault is detected
0
Service code
Class
Instance Service name
01 (0x01) yes yes Get_Attribute_All
14 (0x0E) yes yes Get_Attribute_Single
76 (0x4C) no yes Enetlink_Get_and_Clear