D.20 Interface Modules: Connect For Power Using D.20 Link; Table: J1 Pinouts On D.20 Interface Modules - GE D20 Installation And Operation Manual

GE Energy
Connections and Configuration
D.20 Interface Connect power to the D.20 Communications Interface, D.20 Splitter or D.20 DC
Modules: Interface modules using D.20 HDLC:
connect for
•
Use J1 & J7 on the D.20 Communications Interface and D.20 DC Interface
power using
modules. See board diagrams on page 74 and page 78
D.20 Link
•
Use J1 on the D.20 Splitter. See board diagram on page 76
Table: J1 The following table gives DB9 Connector pinouts for J1 and J7 input on the D.20
pinouts on D.20 Interface modules:
Interface
Modules
Pin Number
General
Full
, continued
Function
1 GND
2 TX/RX1
3
TX/RX1
4 + DC1
5 - DC1
6 TX/RX2
7
TX/RX2
8 + DC2
9 - DC2
Installation and Operations Guide
Signal Direction
INPUT
√
√
√
√
√
√
√
√
994-0078-2.00-7
D20/D200
OUTPUT
√
√
√
√
61