Addi-Data APCI-7300-3, Важная информация

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APCI-7xxx-3 Figures and Tables
35
7 CONNECTING THE PERIPHERAL
i
IMPORTANT!
The connector pin assignments are valid for the boards
APCI-7300-3
,
APCI-7420-3
and
APCI-7500-3
from
Revision D
and for the
APCI-7800-3
from
Revision C
of the printed circuit
board. At revisions before the DCD/DSR modem control signals at
RS232 are changed.
7.1 Connector pin assignment: APCI-7500-3
Fig. 7-1: 37-pin SUB-D male connector (of the board)
Table 7-1: Pin assignment of the 37-pin connector
RS485 RS422 Current Loop RS232
Pin
Pin
RS232 Current Loop RS422 RS485
120
Ω
100
Ω
DSR 20 1 DCD +XMIT-CL-DATA TA
Tsource RTS 21 2 RxD -XMIT-CL-DATA TB Port 4
Rsource CTS 22 3 TxD +RCV-CL-DATA RA Tx/Rx+
Tx/Rx- RB -RCV-CL-DATA RI 23 4 DTR Rab (1)
TA +XMIT-CL-DATA DCD 24 5 GND GND GND GND
TB -XMIT-CL-DATA RxD 25 6 DSR
100
Ω
120
Ω
Tx/Rx+ RA +RCV-CL-DATA TxD 26 7 RTS Tsource Port 3
Rab (1) DTR 27 8 CTS Rsource
GND GND GND GND 28 9 RI -RCV-CL-DATA RB Tx/Rx-
120
Ω
100
Ω DSR 29 10 DCD +XMIT-CL-DATA TA
Tsource RTS 30 11 RxD -XMIT-CL-DATA TB Port 2
Rsource CTS 31 12 TxD +RCV-CL-DATA RA Tx/Rx+
Tx/Rx- RB -RCV-CL-DATA RI 32 13 DTR Rab (1)
TA +XMIT-CL-DATA DCD 33 14 GND GND GND GND
TB -XMIT-CL-DATA RxD 34 15 DSR
100
Ω
120
Ω
Tx/Rx+ RA +RCV-CL-DATA TxD 35 16 RTS Tsource Port 1
Rab (1) DTR 36 17 CTS Rsource
GND GND GND GND 37 18 RI -RCV-CL-DATA RB Tx/Rx-
19