GE EPM 5200 - Manual (Page 24)

CHAPTER 4: COMMUNICATION INSTALLATION
20 EPM 5000 series Advanced Power Meters GE Multilin
RS-485 Hookup Diagram (2 wire) Half Duplex: Detail View
G R+ T+ R- T- G R+ T+ R- T-
RS-485
Communications
Port
Model#
SF485DB
RS-485
Communications
Port
Model#
SF485DB
R
T
R
S
-232
R
S
-485
Gnd
R+
T+
R-
T-
(-)
(+)
UNICOM 2500
(Bottom View Shown)
Figure 4.4: 2-Wire RS-485 Communication Connection Installation half duplex, detail view