500300 Rev. U
Tape Drive Installation
1-5
TAPE DRIVE INTERFACE CONNECTORS
SCSI CONNECTOR
SCSI TERMINATORS
J71
J75
U1
U14
U24
RESET
U25
U21
J73
J74
J76
RN4
CPU
FUSE
F1
1A
CP1
250V
VTERM
SCSI TERMINATION POWER
EPROM
RN3
SCSI
CTLR
POWER
CONNECTOR
PCBA 500567-
PCB500566-01-3 REV B
WREX
CONNECTOR
J72
Figure 1-4 SCSI Single-Ended PCBA Layout – 500567 PCBA
CAUTION
The single-ended and differential interfaces are electrically different. A device
with a differential SCSI interface will not operate if connected to a single-ended
SCSI bus. Before connecting any SCSI device to the SCSI bus, insure that the
interface types are the same.