Printer port connector, Com 2 port connector – Multi-Tech Systems Hub User Manual
Page 33
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