Owner manual

AT8902 Hardware Description

Page 3 - 25 AT8902 User Guide

Fabric Interface Uplink

The mezzanine supports four fabric interface uplinks to the front panel of the Hub Board. The

switch is connected to the RJ45 connectors with integrated status LEDs on the front panel via

a quad PHY and two 10/100/1000BASE-T dual magnetics. GbE channel 0/1 to 0/4 of the switch

map to uplink channels 1 to 4.

The standard RJ45 connector has the following pin assignment:

0/18 9 0 10

0/19 10 0 11

0/20 11 0 12

0/21 12 0 13

0/22 13 0 14

0/23 14 0 15

0/24 15 0 16

0/25 10 GbE Uplink

(BCM56x02 or BCM56x04)

AMC B2 -

0/26 10 GbE Uplink

(BCM56x02 or BCM56x04)

AMC B2 -

0/27 10 GbE Uplink

(BCM56x04)

AMC B1 -

0/28 10 GbE Uplink

(BCM56x04)

AMC B1 -

Table 3-21: Fabric Uplink (J27) Pin Assignment

Signal Pin

DB+ 1

DB- 2

DA+ 3

DD+ 4

DD- 5

DA- 6

DC+ 7

DC- 8

Table 3-20: Fabric Interface Port Mapping (Continued)

CLI ID Channel Port LED

Yellow

Green

Yellow

Green