LG BNU-BAC Owner's Manual page 13

(2) When connecting the BMS by using more than one BACnet Gateway
(possible to connect 16 units at maximum)
BMS(Building Management System)
BACnet Gateway
TX
LG-NET 1 RX
TX
LG-NET 2
RX
1 DI
2 LG-NET 3 TX
RX
3
TX
4 LG-NET 4
5 RX
6
7
TX
8 Ext 1
9 RX
TX
10 Ext 2
RX
11
12
13
14
Ethernet 1 ACT
15 LNK
16
17 MENU/ ACT
Ethernet 2
18 SELECT LNK
19
20
TX
Console
RX
1
DO Run
2
3
4 Power
Simple central
(possible to connect
TX
LG-NET 1
RX
LG-NET 2 TX
RX
1
DI TX
2 LG-NET 3
3 RX
TX
4 LG-NET 4
5 RX
6
7 TX
8 Ext 1
RX
9
10 TX
Ext 2 RX
11
12
13
14 ACT
15 Ethernet 1 LNK
16
17 MENU/
Ethernet 2 ACT
18 SELECT LNK
19
20
TX
Console RX
1 DO Run
2
3
4 Power
BACnet Gateway
Simple central
(possible to connect
Hub
LAN
(direct cable)
ON KSDO4H
L1 2 3 4
PI485
ON KSDO4H
L1 2 3 4
PI485
controller
if necessary)
ON KSDO4H
L1 2 3 4
PI485
Multi
ON KSDO4H
L1 2 3 4
controller
PI485
if necessary)
Multi V
00
Multi V
10
Multi V
00
F0
F1
F3
Installation/Owner Manual 13
How to install
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01 0F
. . .
11 1F
. . .
01 2F
F2