
No.
Interface
Description
B3
AIN3
For the access of Exit Button 1
B4
AIN4
For the access of Exit Button 2
B5
485-
Module-connecting Interface
B6
485+
B7
12 V OUT
B8
GND
C
Two-Wire Interface
Two-Wire Interface
Two-Wire Indoor Station
Figure 3-2 Terminal of Indoor Station
Table 3-2 Descriptions of Terminal and Interfaces
Interface
Description
L1+
For the access of BUS
L1-
L2+
For the access of indoor station
L2-
Video Intercom Two-Wire Bundle User Manual
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