76 C2908M-B (4/05)
Appendix A — Connecting Pelconet To Various Components

Some of the connection examples that follow require a DB9 cable. Refer to the following figure when one is needed.

Figure 43. DB9 Cable Wire Splicing

SPECTRA
ESPRIT
TX+
TX-
RX+
RX-
TX+
TX-
RX+
RX-
DB9
TO RECEIVER
1
2
3
4
5
6
7
8
9
PIN
RX+ (RECEIVE DATA PLUS)
TX- (TRANSMIT DATA MINUS)
GND
TX+ (TRANSMIT DATA PLUS)
RX- (RECEIVE DATA MINUS)
RS-422/RS-485
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