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14 March 2005 BSX8-A2-GZ40-10
10/100/1000BaseT Connectors
The uplink ports are 8-pin unkeyed modular jacks for a 10/100/1000BaseT
interface. The MGMT port is an 8-pin modular jack supporting 10/100BaseT.
DB9 to RJ45 Adapter Pinouts
To connect the COM port to the DB9 serial port of a PC, use an adapter wired as
shown:
Pins not shown are unused.
Table 3. 10/100/1000 Pinouts
Signal Pin
Transmitted Data + 1
Transmitted Data – 2
Received Data + 3
Unused 4
Unused 5
Received Data – 6
Unused 7
Unused 8
97-15449
Pin 1
Pin 8
Table 4. DB9 to RJ45 Adapter Pinouts
Pin RJ45 Port Direction PC RS232 Serial Port Pin
1Transmit Data TxD → RxD Receive Data 2
2 Data Set Ready DSR ← RTS Request to Send 7
4 Receive Data RxD ← TxD Transmit Data 3
5Ground GND ↔ GND Ground 5
6 Data Terminal Ready DTR → CTS Clear to Send 8