Power Walker VFI 10000P/RT LCD Benutzerhandbuch Seite 121

Table 3 RS-232 Communication Port Pin Assignment
Pin Signal
Number Name
1
2 RxD
3 TxD
5 GND
7
8
9
55
Function
Battery Low signal
Transmit to external device
Receive from external device
Signal common
Not used
On Battery signal
Vdc Power（+12V）
This pin is connected via a
jumper to pin 2 of SNMP
connector
Figure.9-2 RS-232 Communication Port
Figure. 9-3 Pin1/Pin8 typical application
Direction from
the UPS
Out
Out
In
--
--
Out
Out