Brocade Communications Systems VA-40FC, Справочник по аппаратуре, Страница: 45 / 60

Brocade VA-40FC Hardware Reference Manual 31
53-1001540-04
Data transmission ranges
A
Data transmission ranges
Table 8 provides the data transmission ranges for different cable types and port speeds.
Memory specifications
The Brocade VA-40FC has three types of memory devices.
TABLE 9
Brocade VA-40FC memory specifications
Fibre Channel port specifications
The Fibre Channel ports in the Brocade VA-40FC are compatible with SWL, LWL, and ELWL SFP
transceivers. The strength of the signal is determined by the type of transceiver in use.
TABLE 8 Laser Data Transmission Ranges
Port Speed Cable Size
(microns) Short Wavelength (SWL) Long Wavelength (LWL) Extended Long
Wavelength (ELWL)
1 Gbps 50 500 m (1,640 ft) (OM2)
860 m (2,821 ft) (OM3) NA NA
62.5 300 meters (984 feet) NA NA
9 NA 10 km (6.2 miles) 40 km (24.8 miles)
2 Gbps 50 300 m (984 ft) (OM2)
500 m (1,640 ft) (OM3) NA NA
62.5 150 m (492 feet) NA NA
9 NA 10 km (6.2 miles)
without a Brocade
Extended Fabrics license;
50 to 100 km with a
Brocade Extended
Fabrics license 40 km (24.8 miles)
4 Gbps 50 150 m (492 ft) (OM2)
380 m (1,246 ft) (OM3) NA NA
62.5 70 m (230 feet) NA NA
9 NA NA NA
8 Gbps 50 50 m (164 ft) (OM2)
150 m (492 ft) (OM3) NA NA
62.5 21 m (69 feet) NA NA
9 NA 10 km NA
Type Size
Boot flash 4 MB
Compact flash 1 GB
Main memory (SDRAM) 512 MB