Electrical Information; Power Requirements - HP Visualize J200 Reference Manual

Electrical Information

Power Requirements

Voltage
+5 V
+12 V
Connector Pinouts
Pin No.
02
04
06
08
10
12
14
16
18
20
22
24
26 Termpwr
28
30
32
34
36
38
40
42
44
46
48
50
All odd pins are signal returns and must be connected to signal GND at the drive, except
pin 25 which is left free to protect against misinsertion.
Table 5–2. Mass Storage Power Requirements
2 GB
1.55A
1.7A
Table 5–3. SCSI Interface Signals
Signal To
DB[0] B Data Bus (LSB)
DB[1] B Data Bus
DB[2] B Data Bus
DB[3] B Data Bus
DB[4] B Data Bus
DB[5] B Data Bus
DB[6] B Data Bus
DB[7] B Data Bus (MSB)
DB[P] B Data Bus Parity
B Terminator Power
Reserved
Not Used (GND)
ATN D Indicates message available for drive
Not Used (GND)
BSY B Signal indicating bus is in use
ACK D Data/Command transfer handshake
RST D Or–tied signal indicating reset condition
MSG H Indicates message phase
SEL B Signal indicating selection/reselection phase
C/D H
REQ H DataCommand transfer handshake
I/O H Indicates direction of information transfer. Assertion
H = Host D = Drive
1 GB
1.15A
0.8A
Description
Indicates whether control or data information is on
data bus
indicates transfer to host.
B = Bidirectional
Floppy Drive
0.8A ave.
0.3A ave.