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