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Systems Architecture
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Fibre Channel ports
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64 ports, universal (E, F, and FL)
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Scalability
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Full fabric architecture with 239 switches maximum
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Certified maximum
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56 switches, 7 hops; larger fabrics may be certified as required
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Performance
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1.063 Gb/sec line speed, full duplex; 2.125
Gb/sec line speed, full duplex; 4.25 Gb/sec line
speed, full duplex and auto-sensing of 1, 2, and 4
Gb/sec port speeds; optionally programmable to
fixed port speed; speed matching between 1, 2, and 4 Gb/sec ports
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ISL Trunking
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Up to eight 4 Gb/sec ports per ISL trunk; up to 32 Gb/sec per ISL trunk
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Aggregate bandwidth
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512 Gb/sec end to end
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Fabric latency
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~700 nanoseconds within a locally switched group
and <2.4 µsec with no contention, cut-through
routing at 4 Gb/sec between locally switched groups
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Maximum frame size
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2112-byte payload
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Classes of service
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Class 2, Class 3, Class F (inter-switch frames)
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Port types
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FL_Port, F_Port, and E_Port; self-discovery
based on switch type (U_Port)
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Data traffic types
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Fabric switches supporting unicast and broadcast
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Media types
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Hot-pluggable, industry-standard Small Form-factor
Pluggable (SFP), LC connector; Short-Wavelength
Laser (SWL) up to 500 meters (1640 feet); Long-
Wavelength Laser (LWL) up to 10 km (6.2 mi);
Extended Long-Wavelength Laser (ELWL) up to
80 km (49.6 mi); distance depends on fiber-optic
cable and port speed, CWDM SFPs (8 lambdas)
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Fabric services
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Simple Name Server, Registered State Change
Notification (RSCN); Brocade FC-FC Routing
Service, Brocade Advanced Zoning, and Brocade
Web Tools; optional fabric services include the
Brocade FCIP Tunneling Service and Brocade
Advanced ISL Trunking
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Options
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SFP media
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Management
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Management software supported
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Telnet; RADIUS; SNMP (FE MIB, FC Management
MIB); Web Tools; Fabric Manager; third-party
applications utilizing the Brocade SMI Agent
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Management access
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10/100 Ethernet port (RJ-45); serial port
(RS-232); In-band through Management Server
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Diagnostics
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POST and embedded online/offline diagnostics
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Software
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Related Software
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Packaged with every Brocade switch, Brocade software unlocks the
intelligence in Brocade SANs. Powerful features and functionality help
transform the network into an intelligent SAN fabric—a more robust form
of interconnectivity solution that integrates data transport with
application services. These software offerings form a comprehensive
solution for optimizing SAN deployment and management, increasing
operational efficiencies, and quickly providing a high return on
investment.
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Mechanicals
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Enclosure
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Non-port side to port side (port side exhaust);
back-to-front airflow; power from rear; 2U, 19-in.
EIA-compliant
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Size
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Width: 42.87 cm (16.88 in)
Height: 8.60 cm (3.39 in)
Depth: 61.0 cm (24.02 in)
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System weight
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13.7 kg (30.2 lb) - with dual power supply, no SFP
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Environmentals
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Temperature
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Operating: 0°C to 40°C (32°F to 104°F)
Non-operating: –25°C to 70°C (–13°F to 158°F)
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Humidity
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Operating: 20% to 85% non-condensing at
40°C (104°F); Non-operating: 10% to 85%,
non-condensing at 70° C (158° F)
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Altitude
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Operating: up to 3000 meters (9800 feet)
Storage: up to 12 km (32,200 feet)
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Shock
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Operating: 20 G, 6 ms half-sine
Non-operating: 15 G, 12 to 18 ms trapezoid
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Vibration
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Operating: 0.5 g sine, 0.4 grms random,
5 to 500 hz; Non-operating: 2.0 g sine, 1.1 grms
random, 5 to 500 hz
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Airflow
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Maximum airflow 74 CFM; Nominal airflow 54 CFM
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Power
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Maximum output
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300 Watts
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System power consumption
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Nominal system draw 175 Watts
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Nominal input voltage
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90 to 264 VAC, 47 to 63 hz
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Input line frequency
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47 to 63 hz
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Input voltage
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90 VAC minimum, 264 VAC maximum
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BTU rating (80% efficiency)
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220 Watts / 0.8 X 3.412 BTU/hr/Watts
= 756 BTU/hr
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Inrush current
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Maximum of 15 Amps for period between
10 to 150 ms at 50°C (122°F), hot or cold start
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Safety
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Safety certifications
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The Brocade 4900 complies with the following safety certifications:
- UL 60950-1: 2003, First Edition (Underwriters Laboratories)
- CSA 60950-1-03 (Canadian Standards Association)
- Nemko EN60950:2000
- TUV EN60950:2000 / IEC60950:1999
(TUV "GS" for Germany, TUV "S" for Argentina)
- GoST (Russia)
- Low Voltage Directive (73/23/EEC) for CE Marking in European Union
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Warranty
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Duration
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1 year
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HW coverage hours
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Extended Business Hours
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HW response times
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4 hour, Same Business Day*
*average response times, response times may vary by country
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Delivery method
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Onsite
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HW phone coverage
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24 x 7
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