On-Board Terminator +5V Sources; Scsi Connector Single-Ended Pin Assignments - HP C2233 Product Description Manual

Table 2-2. On-Board Terminator +5V Sources
Pinset 1
=
back 2 pins; Pinset 2
=
front 2 pins
1
=
open; 2
=
open Drive +5V not connected to on-board terminators or to SCSI connector pin
26. Initiator supplied +5V not connected to on-board terminators.
1
=
shorted; 2
=
open Drive +5V connected to on-board terminators but not to SCSI connector pin
26.
1
=
open; 2
=
shorted
Initiator supplies +5V input to SCSI connector pin 26 for on-board
terminators.
1
==
shorted; 2
==
shorted Drive +5V connected to on-board terminators and to SCSI connector pin 26.
Table 2-3. SCSI Connector Single-ended Pin ASSignments
Pin Signal Pin Signal Pin Signal Pin Signal
2 - Data Bit 0 16 - Data Bit 7 28 Ground 40 - RST
4 - Data Bit 1 18 - Data Bit P 30 Ground 42
- MSG
6 - Data Bit 2 20 Ground 32 - ATN 44 - SEL
8 - Data Bit 3 22 Ground 34 Ground 46 - C/D
10 - Data Bit 4 24 Ground 36 - BSY 48 - REQ
12 - Data Bit 5 26 TERMPWR 38 - ACK 50 - I/O
14 - Data Bit 6
Notes:
1.
All odd numbered pins, except pin 25, must be connected to ground. Pin 25 should be left open.
2. Pin 26 is reserved for terminator resistor power source.
DRAFT
Product Installation 2-17
10/24/90 15:32