Siemens HiPath 3000 Series Service Documentation page 375

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Nur für den internen Gebrauch
LAN interfaces
Table 3-114
STMI2 - LAN Interface Assignment (RJ45 Jacks)
Pin
1
TDP (Transmit Data +)
2
TDN (Transmit Data –)
3
RDP (Receive Data +)
4
TT1 (Transmit Termination 1)
5
TT2 (Transmit Termination 2)
6
RDN (Receive Data –)
7
RT1 (Receive Termination 1)
8
RT2 (Receive Termination 2)
Signals TT1/2 and RT1/2 are not needed for transmitting data. They represent a signal termi-
nation of 100 ohms (so-called Bob Smith termination) for the two unused wire pairs in a 4-pair
twisted pair cable.
A31003-H3590-S100-7-7620, 06/2012
HiPath 3000/5000 V9, Service documentation
Boards for HiPath 3000
Signal
boards.fm
Peripheral boards
3-243

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