B
Pioneer DRM-5004X CD-ROM Jukebox User’s Guide
TP #120 v .1.0 2/95
B - 1
SCSI Specifications
SCSI Physical Characteristics
Single-end drivers and receivers are implemented in each SCSI device of
the DRM-5004X CD-ROM Jukebox. All devices are daisy chained at the
shipment, and each end of the internal SCSI cable is connected to the
SCSI connector A and B. The other SCSI connectors are left open at the
shipment. The length of internal SCSI cable is 4.5 meters, so external
SCSI cable can use the length not exceeding 1.5 meters.
All assigned signals shall be terminated with 220 W to + 5 VDC (nomi-
nal) and 330 W to ground at each end of the cable. Generally, the
exclusive SCSI terminate module is used for termination.
Electrical Characteristics
(1) Output Characteristics
Each signal driven by a SCSI device shall have the following output
characteristics when measured at the SCSI device's connector.
Signal assertion:
0.0 VDC to + 0.4 VDC
Minimum driver output
capability:
48 mA (sinking) at + 0.5 VDC
Signal negation:
+ 2.5 VDC to + 5.25 VDC
(2) Input Characteristics
Each signal received by a SCSI device shall have the following input
characteristics when measured at the SCSI device's connector.
Signal true:
0.0 VDC to + 0.8 VDC
Minimum total input load:
- 0.4 mA at + 0.4 VDC
Signal false:
+ 2.0 VDC to + 5.25 VDC
Minimum input hysteresis:
+ 0.2 VDC
Appendix B
Содержание DRM-5004X
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Страница 172: ...Appendix A Product Specifications Pioneer DRM 5004X CD ROM Jukebox User s Guide TP 120 v 1 0 2 95 ...
Страница 182: ...Appendix B SCSI Specifications Pioneer DRM 5004X CD ROM Jukebox User s Guide TP 120 v 1 0 2 95 ...
Страница 185: ...Appendix C Summary of DIP Switches Jumper Pins Pioneer DRM 5004X CD ROM Jukebox User s Guide TP 120 v 1 0 2 95 ...
Страница 189: ...Appendix D Test Mode Error Codes Pioneer DRM 5004X CD ROM Jukebox User s Guide TP 120 v 1 0 2 95 ...
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Страница 206: ...Appendix E Pioneer Technical Resource Numbers Pioneer DRM 5004X CD ROM Jukebox User s Guide TP 120 v 1 0 2 95 ...