Laser 128 - Expansion Connectors Diagrams

EXPANSION CONNECTORS DIAGRAMS
C. EXPANSION CONNECTORS
DIAGRAMS
+17.V
DC
(IN P UT)
Figure C-1
DSRlB
RDlB
Figure C-2
DSR2B
RD2B
Figure C-3
N.C. 1. N.C. - no connection
SH IELD
GROUND
Power connector
DTRIB
TDlB
Serial printer connector
DTR2B
TD2B
2. ground
3. ground
4. shield ground
5. +17 volt input
6. +17 volt input
7. N.C. - no connection
1. DTRlB - Data Terminal ready
2. TDlB - Transmit data
3. ground
4. RDlB - receive data
5. DSR l B - data set ready
1. DTR2B - data terminal ready
2. TD2B - transmit data
3. ground
4. RD2B - receive data
5. DSR2B - data set ready
Seri~!
interface connecto r
A- 10