L2 Controller
007-4653-001
117
The printed circuit assembly (PCA) of the L2 controller is housed in a sheet metal box
that is 1U high and is located at the top of the rear of the racks that contain Cx-bricks
and/or R-bricks. (It does not use configurable rack space.) The L2 controller has the
following connectors:
•
Power connector
connects to a power bay.
•
RS-485 connector
is not used.
•
Two RS-232 ports
(DB-9): one port can connect to a console and the other port can
connect to a modem.
•
10BaseT Ethernet port
can connect to an Ethernet hub.
•
Rack display port
can connect the rack display.
•
Four USB ports
can connect to R-bricks and/or Cx-bricks (directly or via USB
hubs).
Figure 8-3 shows the connectors at the rear of the L2 controller.
Figure 8-3
L2 Controller Connectors
PWR
ICMB
Modem
Ethernet
LCD Display
L1 Ports
L2 System Controller
Fault
1
3
2
4
Console
Summary of Contents for Origin 3900
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