Black Box A/C-7P Manual de usuario descargar pdf (Pagina 143)

144

A/C-7P RO, A/C-7S RO

Appendix C: Serial-Port Specifications

The A/C-7S RO uses a standard, RS-232-C, 25-pin serial printer cable for

connection to a serial printer and for connection to a serial PC/LAN print

server port.

The A/C-7S RO’s input and output connectors use the same pin

assignments. They are:

Shell: Chassis Ground

1: Chassis Ground

2: Transmit (TXD) .........................output

3: Receive (RXD)..........................input

4: Request To Send (RTS) ...........output

5: Clear To Send (CTS) ................input

6: Data Set Ready (DSR) .............input

7: Signal Ground

8-19: No connection

20: Data Terminal Ready (DTR) .....output

Figure C-1. Input and Output Connector Pinout.

The serial printer cable shipped with the A/C-7S RO has the following pin

assignments:

DB25F..............................................DB25M

Shell .................................................Shell

2 .......................................................3

3 .......................................................2

5, 6, 8 ...............................................20

7 .......................................................7

20 .....................................................5,6,8

Figure C-2. Serial Printer Cable Pinout.

1 2 ... 138 139 140 141 142 143 144 145 146 147 148 149

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Black Box A/C-7P Manual de usuario Pagina 143