Huawei ETP4830-A1 User Manual page 28

ETP4830-A1 Embedded Power
User Manual
Dry contact ports
Table 3-13 Dry contact ports description
Port Type
Dry contact
input port
Dry contact
output port
Communications Ports
Table 3-14 Communications ports
Port
COM
RS485/RS232
NOTE
Issue 10 (2017-08-08)
Silk-screen
DIN1
DIN2
ALM1
ALM2
ALM3
ALM4
 The COM ports and RS485/RS232 ports work in active/standby mode. Either of them is at work.
 The RS485 and RS232 serial ports are mutually exclusive.
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Description Default Alarms
Dry contact Reserved
input 1
Dry contact
Reserved
input 2
Dry contact Major Alarm
output 1
Mains Fault, DC Over Volt, DC Under
Volt, Batt Off, Batt Loop Trip, Rect
Fault, Load Fuse Trip
Dry contact Minor Alarm
output 2
AC Over Volt, AC Under Volt, Amb.
Over Temp1, Amb. Under Temp1, Batt
Over Temp, Batt Under Temp, Rect
Protect, Rect Comm Fail, Batt Over Curr,
Dig. Input1 ALM, Dig. Input2 ALM,
Batt Discharge
Dry contact
Reserved
output 3
Dry contact Reserved
output 4
Communications Mode
RS485/RS232
RS485/RS232
3 Components
Communications
Parameters
Baud rate: 9600 bits/s or
19,200 bits/s
Baud rate: 9600 bits/s or
19,200 bits/s
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