Installation manual

Publication 1747-RM001G-EN-P - November 2008
13-30 SLC Communication Channels
Table 13.10 SLC 5/05 Channel 1 Ethernet Channel Status
Status field Words Displays the number of
Commands Sent 0,1 Commands sent by the channel.
Received 2,3 Commands received by the channel.
Replies Sent 4,5 Replies sent by the channel.
Sent with error 6.7 Replies containing errors sent by the channel.
Received 8,9 Replies received by the channel.
Received with error 10,11 Replies containing errors received by the channel.
Timed Out 12,13 Replies not received within the specified time-out period.
General In Octets 14,15 Octets received on the channel.
Out Octets 16,17 Octets sent on the channel.
In Packets 18,19 Packets received on the channel, including broadcast packets.
Out Packets 20,21 Packets sent on the channel, including broadcast packets.
Alignment Errors 22,23 Frames received on the channel that are not an integral number of octets in length.
FCS Errors 24,25 Frames received on the channel that do not pass the FCS check.
Carrier Sense Errors 26,27 Times that the carrier sense condition was lost or never asserted while trying to
transmit a frame.
Excessive Collisions 28,29 Frames for which a transmission fails due to excessive collisions.
Excessive Deferrals 30,31 Frames for which transmission is deferred for an excessive period of time.
MAC Receive Errors 32,33 Frames for which reception on an interface fails due to internal MAC sublayer
receive error.
MAC Transmit Errors 34,35 Frames for which reception on an interface fails due to internal MAC sublayer
transmit error.
Single Collisions 36,37 Successfully transmitted frames for which transmission was delayed because of
collision.
Multiple Collisions 38,39 Successfully transmitted frames for which transmission was delayed more than
once because of collision.
Deferred Transmission 40,41 Frames for which the first transmission attempt is delayed because the medium is
busy.
Late Collisions 42,43 Times that a collision is detected later than 512 bit–times into the transmission of a
packet.
Network Storm
(2)
44 Times that extremely high levels of Ethernet traffic, or network storms, have been
detected.
Ethernet (Hardware)
Address
(2)
45
through
47
Processor’s Ethernet hardware address, which is unique to every processor.
(assigned) IP
Address
(2)
48,49 Each of the four bytes holds one of the numbers of the assigned IP address in hex in
the dot address format. For example, an IP address of 142.169.121.1 will be
displayed in hex as 8EA97901.