Appendix A
NetVanta 3148/4148 Series Hardware Installation Guide
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Copyright © 2020 ADTRAN, Inc.
617004148F1-34B
APPENDIX A. CONNECTOR PIN DEFINITIONS
The following tables provide the pin assignments for the NetVanta 3148/4148 Series base units.
Base Unit Pinouts
The Gigabit Ethernet port pintouts apply to all four Copper Gigabit Ethernet ports;
only one example is displayed in the table. The switch port pinouts apply for all
eight switch ports; only one example is displayed in the table.
Table A-1. Copper Gigabit Ethernet Port Pinouts
Pin
Signal
Description
1
RJ_GBE GBE port 1 Media Dependent Interface A (+)
2
RJ_GBE1_MDIA_-
GBE port 1 Media Dependent Interface A (-)
3
RJ_GBE GBE port 1 Media Dependent Interface B (+)
4
RJ_GBE GBE port 1 Media Dependent Interface C (+)
5
RJ_GBE1_MDIC_- GBE port 1 Media Dependent Interface C (-)
6
RJ_GBE1_MDIB_-
GBE port 1 Media Dependent Interface B (-)
7
RJ_GBE GBE port 1 Media Dependent Interface D (+)
8
RJ_GBE GBE port 1 Media Dependent Interface D (-)
Table A-2. Switch Port Pinouts
Pin
Signal
Description
A1
RJ_SWP Switch port 2 Media Dependent Interface A (+)
A2
RJ_SWP2_MDIA_- Switch port 2 Media Dependent Interface A (-)
A3
RJ_SWP Switch port 2 Media Dependent Interface B (+)
A4
RJ_SWP Switch port 2 Media Dependent Interface B (-)
A5
RJ_SWP2_MDIB_- Switch port 2 Media Dependent Interface C (+)
A6
RJ_SWP2_MDIB_- Switch port 2 Media Dependent Interface C (-)
A7
RJ_SWP Switch port 2 Media Dependent Interface D (+)
A8
RJ_SWP2_MDID_- Switch port 2 Media Dependent Interface D (-)
1
GND
Shield mounting pin (connected to ground (GND))
2
GND
Shield mounting pin (connected to GND)
3
GND
Shield mounting pin (connected to GND)
4
GND
Shield mounting pin (connected to GND)
