GE PACSystems RXi User Manual page 204

Ethernet Interface Status Bits
The Ethernet Interface status bits occupy a single block of either reference memory or I/O
variables. The access type and location of the Ethernet Interface Status bits is specified
during configuration of the Ethernet Interface. The Ethernet interface updates its bits in the
CPU once each controller scan.
The first 16 bits of the block are the LAN Interface Status (LIS) bits. The next 64 bits are the
Channel Status bits (2 for each channel). These bits can be used to prevent initiation of a
COMMREQ function when certain errors occur or to signal a problem on an established
channel.
LAN
Interface
Status
Channel
Status
GFK-2816F
Chapter 8. Gigabit Ethernet (GbE) Interface Overview and Operation
Status Bits
1 Port full duplex
2 Port operating at highest supported speed
3 Reserved
4 Reserved
5 Reserved
6 Reserved
7-8 Reserved
9 Any Channel Error (error on any channel)
10–12 Reserved
13 LAN OK
14 Resource problem
15 Reserved
16 LAN Interface OK
17 Channel 1: Channel Open
18 Channel 1: Reserved
... ...
47 Channel 16: Channel Open
48 Channel 16: Reserved
49–80 Reserved
August 2015
Brief Description
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