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A • Specifications
A.1 Technical Specification
Table A-1 Technical Data
Standards:
Rear Interfaces:
Front Interfaces:
Port Configurations:
Topology:
MAC Address:
Priority Queues:
Flow Control:
Auto-MDI/MDIX:
Auto-negotiation:
Copper Cabling:
Fiber Cabling:
Optics:
On-board
Resources:
38 GBX24 VME 24 Port Gigabit Ethernet Switch
IEEE 802.3
10BaseT Ethernet
IEEE 802.3u
100BaseTX Fast Ethernet
IEEE 802.3ab
1000BaseT Copper Ethernet
IEEE 802.3yy
1000BaseLX Fiber Ethernet (build option)
IEEE 802.3z
1000BaseSX Fiber Ethernet (build option)
Switch Ports:
Up to 24 copper ports (routed to RJ-45 ports on the GBX24PIO)
DUART:
2 x EIA232 connections
Fast Ethernet:
Out-of-band management port
DUART:
2 x EIA232 connections
Switch Ports:
4 x fiber ports (build option on air-cooled boards)
CPU LED:
CPU activity
BIT LEDs:
Built-In-Test status
MNG LED:
Full or half duplex link and activity of Service port
Port indication:
Link speed (1 Gbps or 10/100 Mbps) and activity
20 copper rear + 4 fiber front ports. Build option on air-cooled build levels
Mixed:
only
24 copper rear only, no fiber ports. Conduction-cooled build levels are only
Copper:
available in this configuration
Store-and-forward
16 000 entries
8 per port, software controlled with bandwidth provisioning
Back pressure for half-duplex and IEEE 802.3x for full-duplex
Auto crossover available on all ports, except out-of-band Ethernet adapter
All ports (Fiber ports are 1000 Mbps only)
Ethernet:
CAT 3, CAT 4, CAT 5, EIA/TIA-568 100 Ω UTP
Fast Ethernet:
CAT 5, EIA/TIA-568 100 Ω UTP
CAT 5e, EIA/TIA-568 100 Ω STP
Gigabit Ethernet:
CAT 6, EIA/TIA-568-B 100 Ω STP
Maximum
CAT6: 100 meters at -40°C to 55°C
Length:
CAT5e: 75 meters at -40°C to +55°C
62.5/125 μm multimode
50/125 μm multimode
9/125 μm single mode
Multimode – 850 nm wavelength
Single mode – 1310 nm wavelength
Connector type:
LC multi-sourced connector
CPU core:
300 MHz Motorola PowerPC
PCI bus:
PCI 2.2 compatible (66 MHz 32-bit). Not 33 MHz compatible
SDRAM:
128 Mbytes (66 MHz)
Flash:
128 Mbytes
Publication No. GBX24-0HH/2
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