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15 faceplate serial interfaces, Table 5-2, Faceplate serial interfaces – Artesyn ATCA-7470 Installation and Use (October 2014) User Manual

Page 134: Functional description

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Functional Description

ATCA-7470 Installation and Use (6806800P15K)

134

Serial console port to connect to either payload or IPMC serial I/F

Recessed reset button

Out of Service, In Service, Attention, and Hot Swap LEDs

The blade design provides the possibility to cover unused faceplate elements like LEDs or push
button behind a custom overlay foil.

5.15 Faceplate Serial Interfaces

The ATCA-7470 has two serial interfaces. They are fully compliant to industry standard 16550
asynchronous communication controllers. The two Serial line interfaces #1 and #2 are
integrated in the Intel DH8900CC PCH and routed to the onboard FPGA, which distributes
them to either Faceplate, RTM, or IPMC for SOL. The serial line interfaces support baud rates up
to 115200 kbps through a programmable baud rate generator.

Serial Line Interface #1 (COM #1) and #2 (COM#2) destination

The serial line interface #1/ #2 can be routed either to the zone 3 connector or the Faceplate.
Destination selection is through IPMC or SW2-1.

The serial line interface #1 provides two different routing options:

Glue Logic FPGA <=> RTM

Glue Logic FPGA <=> Face Plate

Table 5-2 Faceplate Serial Interfaces

IPMI_COM1_ROUTE (Port8.6)
(SW2-1 overwrite)

Connection

HIGH Switch 2-1 OFF
Default

Glue Logic FPGA COM1 to Face Plate
Glue Logic FPGA COM2 to RTM

LOW or Switch 2-1 ON

Glue Logic FPGA COM1 to RTM
Glue Logic FPGA COM2 to Faceplate