ABB RED615 Technical Manual page 866

Section 13
IED physical connections
860
GUID-1E542C3A-F6E9-4F94-BEFD-EA3FEEC65FC8 V1 EN
Figure 466: Jumper connections on communication module COM0023 revision
G
COM1 port connection type can be either EIA-232 or EIA-485. Type is selected by
setting jumpers X19, X20, X21, X26.
The jumpers are set to EIA-232 by default.
Table 674: EIA-232 and EIA-485 jumper connectors for COM1
Group
X19
X20
X21
X26
1 2 3
Jumper connection
1-2
2-3
1-2
2-3
1-2
2-3
1-2
2-3
1YHT530004D05 D
X3
X24
Description
EIA-485
EIA-232
EIA-485
EIA-232
EIA-485
EIA-232
EIA-485
EIA-232
615 series
Technical Manual