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CommPlete 4000 Communications Server User Guide 33
Appendices
Printer Port Connector
This 25-pin connector provides parallel printer data and control signals to and from the SBC board.
26
1
2
25
Figure A-5. Printer Port Connector
Pin Description Pin Description
1 -Strobe 10 -Acknowledge
2 +Data Bit 0 11 +Busy
3 +Data Bit 1 12 +Paper End
4 +Data Bit 2 13 +Select
5 +Data Bit 3 14 -Auto Feed
6 +Data Bit 4 15 -Error
7 +Data Bit 5 16 -Initialize Printer
8 +Data Bit 6 17 -Select Input
9 +Data Bit 7 18-25 Ground
COM 2 Port Connector
This 10-pin connector transfers serial data to and from the COM 2 port.
10
1
2
9
Figure A-6. COM 2 Port Connector
PinSignal Name (Direction)
1 Carrier Detect (Input)
2 Data Set Ready (Input)
3 Receive Data (Input)
4 Request To Send (Output)
5 Transmit Data (Output)
6 Clear To Send (Input)
7 Data Terminal Ready (Output)
8 Ring Indicator
9 Signal Ground
10 Unused