TP48200A-DT19C1 & DT19C2 & HT19C1 & HT19C2
Installation Guide
3 Components
Issue 03 (2014-02-23)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
38
Table 3-12
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
3.7.2 (Optional) Bluetooth Controller
Appearance
Figure 3-24
Bluetooth controller