Huawei ETP4830-A1 User Manual page 21

ETP4830-A1
User Manual
Table 3-3 Communications ports
Port
COM
RS485/RS232
Note:
All the preceding ports are protected by a security mechanism.
Figure 3-6 Communication port
Table 3-4
the pins in the COM port that is used as an RS485/RS232 port.
Table 3-4 Pins in the COM port (used as an FE port)
Pin
1
2
3
6
4, 5, 7, 8
Table 3-5 Pins in the RS485/RS232 port
Pin
1
2
Issue 06 (2014-02-20)
Communications Mode
FE
RS485/RS232
RS485/RS232
describes the pins in the COM port that is used as an FE port.
Signal
TX+
TX-
RX+
RX-
None
Signal
TX+
TX-
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3 Components
Communications
Parameters
Autonegotiation
Baud rate: 9600 bits/s or
19,200 bits/s
Baud rate: 9600 bits/s or
19,200 bits/s
Table 3-5 describes
Description
Sends data over FE.
Receives data over FE.
-
Description
Sends data over RS485.
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