Atop Technology MB5416A2 User manual - Manual (Page 60)

Atop Modbus Gateway
MB54XX-X Series
User’s Manual V 1.1
57
5pin Terminal Block to RS-485/RS-422 connectors (MB5404D-Sis-X)
Table 5. 4
Pin#
RS-422/4-Wire RS-485
Full Duplex
for SE5404D-TB / SE5404D-Sis
2-Wire RS-485
Half Duplex
For SE5404D-TB / SE5404D-Sis
1 T+ NC
2 T- NC
3 R+ Data+
4 R- Data-
5 SG (Signal Ground) SG (Signal Ground)