Compaq DWZZH User Manual
Page 18
DWZZH 16-Bit
UltraSCSI
Hub
1–6
EK–DWZZH–UG. D01
Table 1–1 DWZZH Hub Functional Specifications (Cont’d)
Feature
Specification
Cable Fault
DIFFSENSE support and port disable on cable fault
Glitch Elimination
100% glitch free operation during power-up
BUSY GLITCH trap eliminates cable length constraint
due to wired-OR glitches on the BSY line
Termination
Singled-ended
Active termination for 16bit operation.
Differential
Termination for 16bit operation.
Service
There are no user servicable functions on these products.
Contact Digital service personnel all service.
Agency Approvals
UL, CSA, FCC Class B, TUV
Environmental Specifications
Relative Humidity
10% to 85% non-condensing
Operating Temperature
10
°
C to 40
°
C (50
°
F to 104
°
F)
Storage Temperature (non-
operating)
–40
°
C to 66
°
C (–40
°
F to 151
°
F)
Power Requirements
DWZZH
+5V
Input Current:
DWZZH-03
DWZZH-05
DWZZH-21
2.3 Amp
4.3 Amp
1.8 Amp
TERMPOWER
Supplied to internal terminators only.
SCSI Connectors and Cables
Single-Ended
Board mounted 68pin VHDCI SCSI connector
Differential
Board mounted 68pin VHDCI SCSI connector
Cables
BN37A and BN38C series shielded SCSI cables