Printed in the Federal Republic of Germany
TR-Electronic GmbH 2013, All Rights Reserved
01/17/2019
TR - ECE - BA - DGB - 0102 - 09
Page 165 of 175
7.8.4.1 Attribute 2, Interface Flags
The
Interface Flags
attribute contains status and configuration information about
the physical interface and is defined as follows:
Bit Function
Description
0
Link Status
0: Indicates an inactive link
1:
Indicates an active link
see also Bus status display, page 107
1
Half/Full Duplex
0: Half Duplex active
1: Full Duplex active
2-4 Negotiation Status
0: Auto-negotiation in progress
1:
Auto-negotiation and speed detection failed. Using
default values for speed and duplex.
2:
Auto negotiation failed but detected speed. Duplex
was defaulted.
3: Successfully negotiated speed and duplex.
4:
Auto-negotiation not attempted. Forced speed and
duplex.
5
Manual Setting
Requires Reset
0:
Indicates the interface can activate changes to link
parameters (auto-negotiate, duplex mode, interface
speed) automatically.
1:
Indicates the device requires a Reset service be
issued to its Identity Object in order for the changes
to take effect.
6
Local Hardware
Fault
0:
Indicates the interface detects no local hardware
fault
1: Indicates a local hardware fault is detected
7-31 Reserved
0
-
7.8.4.2 Attribute 6, Interface Control
The
Control Bits
of
Interface Control
controls the transfer speed of the
interface.
Bit Function
Description
0
Auto-negotiate
0: Auto-negotiation is disabled
1: Auto-negotiation is enabled
1
Forced Duplex Mode
0: Half Duplex active
1: Full Duplex active
2-15 Reserved
0
-
The attribute is only active after a restart of the measuring system. The bit 5 of
Attribute 2, Interface Flags indicates that a restart is necessary.
