Appendix B: Cable Information
Ethernet Connectors
108 | SmartBits 600x/6000x Installation Guide
Table B-2. 80-Pin Connector Assignments
Signal Name Signal Name
I/O Pin RMII SMII Pin RMII SMII
O 1 3VCC 3VCC 41 3VCC 3VCC
O 2 5VCC 5VCC 42 5VCC 5VCC
O3
REF_CLK+ REF_CLK+ 43 REF_CLK– REF_CLK–
O4
GND GND 44 GND GND
O5
DNC (Note 5) SYNC+ 45 DNC (Note 5) SYNC–
O6
/SMII (Note 1) /SMII (Note 1) 46 /BRDCON (Note 2) /BRDCON (Note 2)
O7
TXD1_0+ TXD1+ 47 TXD1_0– TXD1–
O8
TXD1_1+ DNC (Note 5) 48 TXD1_1– DNC (Note 5)
O9
TXEN1+ DNC (Note 5) 49 TXEN1– DNC (Note 5)
I10
RXD1_0+ RXD1+ 50 RXD1_0– RXD1–
I11
RXD1_1+ DNC (Note 5) 51 RXD1_1– DNC (Note 5)
I12
CRS_DV1+ DNC (Note 5) 52 CRS_DV1– DNC (Note 5)
I13
R_CLK+ (Note 3) R_CLK+ (Note 3) 53 R_CLK– (Note 3) R_CLK– (Note 3)
O14
GND GND 54 GND GND
O15
TXD2_0+ TXD2+ 55 TXD2_0– TXD2–
O16
TXD2_1+ DNC (Note 5) 56 TXD2_1– DNC (Note 5)
O17
TXEN2+ DNC (Note 5) 57 TXEN2– DNC (Note 5)
I18
RXD2_0+ RXD2+ 58 RXD2_0– RXD2–
I19
RXD2_1+ DNC (Note 5) 59 RXD2_1– DNC (Note 5)
I20
CRS_DV2+ DNC (Note 5) 60 CRS_DV2– DNC (Note 5)
I21
DNC (Note 5) R_SYNC+ (Note
3)
61 DNC (Note 5) R_SYNC– (Note 3)
O 22 GND GND 62 GND GND
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