Honeywell VRX180 - Manual (Page 46)

Installation
Video Recorder - User Manual 32
2.5.7.3.1 Switch configuration
1
2
3
LEFT
away from PC board
RIGHT
toward PC board
RS485
2.5.7.3.2 Interface connector
TOP SIDE
BOTTOM SIDE
RX/TXB (+)
RX/TXA (-)
Figure 2-11 Interface connector