Serial Port Connectors; Parallel Connector - Boser HS-4705 Manual

3.10 Serial Port Connectors

The HS-4705 offers one NS16C550 compatible UART with
Read/Receive 16-byte FIFO serial ports and two DB9 connectors.
CN14: COM1/COM2 Connectors (DB9)
PIN Description PIN
1 DCD
2 RXD
3 TXD
4 DTR
5 GND

3.11 Parallel Connector

CN7 is a standard 26-pin flat cable connector designed to
accommodate parallel port connection onboard the HS-4705.
CN7: Parallel Connector
PIN Description
1 Line Printer Strobe
3 PD 0
5 PD 1
7 PD 2
9 PD 3
11 PD 4
13 PD 5
15 PD 6
17 PD 7
19 Acknowledge
21 Busy
23 Paper Empty
25 Select
Descriptio
n
6 DSR
7 RTS
8 CTS
9 RI
PIN Description
2 Auto Feed
4 Error
6 Initialize
8 Select
10 GND
12 GND
14 GND
16 GND
18 GND
20 GND
22 GND
24 GND
26 N/C
1 5
6 9
26 25
N/C Select
GND Paper Empty
Busy
GND
GND Acknowledge
GND PD 7
GND PD 6
GND PD 5
GND
PD 4
GND PD 3
Select PD 2
Initialize PD 1
PD 0
Error
Auto Feed Strobe
2 1
15