Table 2 shows the SIO connector pin listings. The serial connectors are 9-pin
D-sub connectors. Signal names are those specified in the EIA RS-232 stan-
dard.
Table 2
Serial I/O Pins
SCSI Connectors
Use the single-ended and fast, wide connectors to connect external SCSI
devices such as DDS-format tape drives and CD-ROM drives. Consult the
documentation that accompanies each SCSI device for specific information
concerning its use. Refer to Appendix C for information about connecting
SCSI devices to your workstation.
NOTICE:
When attaching external SCSI devices, be sure to terminate the last device
on the external SCSI bus.
Pin No.
Signal
1
DCD
2
RXD
3
TXD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
System Unit Rear Panel Connectors
Description
Data Carrier Detect
Receive Data
Transmit Data
Data Terminal Ready
Ground
Data Set Ready
Request To Send
Clear To Send
Ring Indicator
System Overview
13