Brainchild BTC-2500 - Rs-485

2 15 RS-4852 15 RS-485
TX1
TX1
TX1
TX1
TX2
TX2
TX2
TX2
Terminator
220 ohms / 0.5W
Terminator
220
ohms / 0.5W
Max. 247 units can be linkedMax. 247 units can be linked
RS-232
PC
SNA10A or
SNA10B
SNA10A or
SNA10B
Figure 2.18
RS-485 Wiring
Figure 2.18
RS-485
Wiring
RS-485 to RS-232
network adaptor
RS-485 to RS-232
network
adaptor
RS-485
UM25001C
Twisted-Pair WireTwisted-Pair Wire
36
12
34
5
8910
11
67
12
13
14
12
34
5
8910
11
67
12
13
14
12
34
5
8910
11
67
12
13
14