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LEDs
The expansion LAN switch includes an error LED and communication port status. All of the
LEDs are single color.
Table 18-1 details the LEDs functionality.
Inserting/Removing an Expansion LAN Switch from the Frame
The expansion LAN switch supports hot-swap and can be inserted and extracted while the
system is powered up. For instructions on removing/inserting a switch from/into a frame, see
the Replacing an I/O Module or Expansion LAN Switch section of the Break-Fix Procedures
chapter below.
Note that removing the LAN switch disconnects all I/O modules in the expansion frames
connected by LAN. If the expansion frame is disconnected from the main frame for a
(configurable) period of time, the expansion module will restart and try to find the main CPU
again.
Switch Status and Diagnostics
LAN switch status and diagnostics information can be retrieved via the main CPU using the
STS Hardware Test utility. For more details, see the Hardware Test section of the ACE3600
STS User Guide.
Switch Warnings and Errors
LAN switch warnings and errors are logged in the main frame CPU memory. The RTU error
logger information can be retrieved using the STS Error Logger utility. For more details, see
the Error Logger section of the ACE3600 STS User Guide.
Connecting the Expansion LAN Switch to the Main CPU
Install the expansion in either of the first two I/O module slots in the main frame.
The expansion LAN switch option includes a 0.6 meter Ethernet cable (Motorola p/n
FKN8561A). Use this cable to connect from the Eth1 port on the main CPU to the Eth1 (M)
port on the expansion switch. For the second switch in a system (if such exists), use this cable
to connect from the Eth2 port on first switch to the Eth1 (M) port on the second switch.
Connecting the Expansion LAN Switch to I/O Expansion Frames
Use one of the following Ethernet cables to connect an Ethernet port on the expansion LAN
switch to an expansion module in an expansion frame. If the system includes one switch (for
up to seven frames), ports Eth2-Eth8 are available. If the system includes two switches (for up
to thirteen frames), ports Eth3-Eth8 are available on the first switch and ports Eth2-Eth8 are
18-3
Expansion LAN Switch
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