Huawei Telecom Power TP48200A-DT19C2 - Page 55

TP48200A-DT19C1, TP48200A-DT19C2,
TP48200A-HT19C1 and TP48200A-HT19C2 Telecom
Power
User Manual
3 Components
Issue 03 (2019-11-15)
Copyright © Huawei Technologies Co., Ltd.
48
Port Definitions
Figure 3-30 Ports on the electric door lock
Table 3-13 Port definitions of the electric door lock
Pin
Definitions
Description
1
TX+
Sends data over RS485.
2
TX-
3
+12 V
Supplies power for the electric
door lock
4
RX+
Receives data over RS485.
5
RX-
6
OPEN_DOOR
Controls the electric door lock
(reserved)
7
GND
GND
8
GND
GND