Extreme Networks 7720 Installation Manual page 89

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Technical Specifications
Figure 34: Null-Modem Cable Pinouts
Figure 35
Figure 35: PC-AT Serial Null-modem Cable Pinouts
Table 19
shows the pinouts for the RJ45 console port on the Extreme Networks
switches.
Table 19: RJ45 Console Port on Switch
Function
RTS (request to send)
DTR (data carrier detect)
TXD (transmit data)
GND (ground)
shows the pinouts for a 9-pin to 9-pin (PC-AT) null-modem serial cable.
Console Connector Pinouts
Pin Number
1
2
3
4
Extreme 7720 Hardware Installation Guide
Direction
Out
Out
Out
89

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