120
Netra 240 Server Service Manual
• June
2004
RJ-45 to DB-25 Adapter Crossovers
Serial Port (10101)
The port labeled 10101 accepts a DB-9 connector. Use this port for general purpose
serial data transfers.
shows the pin numbering of the serial port, and
describes the pin signals.
FIGURE
B-4
Serial Port (10101) Pin Numbering
TABLE
B-7
RJ-45 to DB-25 Adapter Crossovers
Serial Port (RJ-45 Connector)
DB-25 Adapter
Pin
Signal Description
Pin
Signal Description
1
RTS
5
CTS
2
DTR
6
DSR
3
TXD
3
RXD
4
Signal Ground
7
Signal Ground
5
Signal Ground
7
Signal Ground
6
RXD
2
TXD
7
DSR
20
DTR
8
CTS
4
RTS
TABLE
B-8
Serial Port (10101) Connector Signals
Pin
Signal Description
Pin
Signal Description
1
Data Carrier Detect
6
Data Set Ready
2
Receive Data
7
Request to Send
3
Transmit Data
8
Clear to Send
4
Data Terminal Ready
9
Ring Indicate
5
Ground
1
5
6
9
Содержание Netra 240
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