Справочник Пользователя для Pelco C2908M-B

76

C2908M-B (4/05)

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

RX+ (RECEIVE DATA PLUS)

TX- (TRANSMIT DATA MINUS)

GND

TX+ (TRANSMIT DATA PLUS)

RX- (RECEIVE DATA MINUS)

1 2 3 4 5

6 7 8 9