Hisense Hi-Dom Installation, Configuration And Maintenance Manual page 6

Communication objects
Communication wiring
Communication mode
Communication synchronous
mode
Communication speed
Wiring distance
Number of air conditioners
connected
Table 1.3 LAN(Ethernet) Communication Specification
Item
Communication objects
Communication wiring
Communication mode
Wiring distance
2. Air-conditioning adapter installation and wiring
2.1 Installation site
Please choose a place that meets the following conditions to install the unit.
○Please choose the site as specified in the [preamble] of this installation manual.
○This unit is to be mounted in the weak current control box.
Air-condition outdoor unit and indoor unit
Non-polarized 2 core wire
Half-duplex communication
asynchronous communication
9600 bps
Total length less than 1000m
128 indoor units
air conditioning management server, switch
LAN(Ethernet)
IEEE802.3 standard(10BASE-T/100BASE-TX)
100m
Figure 2.1 Installation diagram
Specification