Technical Specifications

Shelf Unit

48 cm/19" (14 slots) x 18 su (1 su = 25 mm high)
60 cm/24" (18 slots) x 18 su
68 cm/27" (20 slots) x 18 su
each slot 30 mm x 450 mm x 300 mm
Midplane cable space: 95 mm x 450 mm x Shelf Unit Width
Customizable power segmentation
Support for dual-feed A/B power input
Integrated Intelligent Maintenance Network
Power Dissipation
Max. 80 watts per 30 mm slot
Max. 1,200 watts per 48 cm (19") Shelf Unit
Max. 1,400 watts per 60 cm (24") Shelf Unit
Max. 1,600 watts per 68 cm (27") Shelf Unit

Fan Unit

48 cm (19"): two fans up and two fans down
60 cm (24") and 68 cm (27"): three fans up and three fans down
240/300 CFM per fan
Filtered Airflow
Fans and filters are hot-replaceable
26 cm (10.5") high x Shelf Unit Width

Operational Environment

Capable of Zone 4 earthquake operation
Operating Temperature:
39°C continuous
50°C short-duration
Nominal input power: -48 VDC
Short-term input power: -36 VDC to -60 VDC
Racks Supported: EIA 19", EIA 24", and customer-specific

Module Name Slots Description Options
CPU Module
4
5
SPARCengine 5 and 20
UltraSPARC
  • All MBus Processor Modules - 50 MHz to 167 MHz
  • RAM: SE5: 256 MB, SE20: 512 MB; Ultra: 1 GB
  • I/O: All SBus cards plus motherboard optionsBoot Disk, Floppy Disk, CD-ROM
RAID Module 1 Hardware RAID Controller
  • RAID 0, 1, 1+0, 4, and 5
  • Up to 18MBytes/s host access
  • Controls devices in 3x3 and 5+3 Media Modules
3x3 Media Module 2 Removable Media Array Module
  • Three 3.5" full-height SCSI devices
5+3 Media Module 2 Removable Media Array Module
  • One 5.25" half-height SCSI device and one 3.5" full-height SCSI device
Media Carriers - For use in Media Modules
  • Hard Disk: up to 8 GB
  • 4 mm DAT
  • CD-ROM
  • SCSI Floppy
SBus Expander 3 6 for 1 SBus Expansion Module
  • Support for DMA master in all six SBus slots
SerialSmart(TM) 1 SBus Asynchronous Serial Controller
  • 16, 32, or 64 ports, up to 230kbps per port
Y-Connect Interface 1 SerialSmart Y-Connect Module
  • Provides redundant serial I/O connections
SCSI Switch 1 Electrical Switch for SCSI Devices
  • 2 x 2 connections - 2 Host, 2 Device Connections
Intelligent Power Supply 1 Intelligent power source for external devices (e.g., modems, terminals, etc.)
  • Up to 12 external programmable power taps
Ethernet Module 1 Integrated Ethernet Hub
  • 24 ports, 10Base-T
  • 8 front-panel-accessible
  • 16 Midplane-accessible
  • SNMP Support


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