Dell PowerConnect B-8000 Reference Manual - Page 47

Fabric latency A Fabric latency The PowerConnect B-8000 supports several types of interfaces. Table 12 shows the latency for different types of data flow. TABLE 12 Type PowerConnect B-8000 data flow latency Size FC port to FC port ~700 ns CEE port to CEE port (same ASIC) 570 ns CEE port to CEE port (different 1050 ns ASIC) FCoE to FC 1670 ns Memory specifications The PowerConnect B-8000 has three types of memory devices, boot flash, compact flash, and main memory. The size of each is listed in the following table. TABLE 13 Type PowerConnect B-8000 memory specifications Size Boot flash 4 MB Compact flash 1 GB Main memory (DDR2 SDRAM) 1 GB Fibre Channel port specifications The Fibre Channel ports in the PowerConnect B-8000 are compatible with SWL and LWL SFP and SFP+ (for 8 Gbps performance) transceivers. The strength of the signal is determined by the type of transceiver in use. The ports meet all required safety standards. For more information about these standards, see "Regulatory compliance" on page 36. The ports are capable of operating at 1, 2, 4, or 8 Gbps and are able to autonegotiate to the maximum link speed. Serial port specifications The serial port is located on the port side of the switch. The PowerConnect B-8000 uses an RJ45 connector for the serial port. An RJ45 to DB9 adaptor cable is also provided with the switch. NOTE To protect the serial port from damage, keep the cover on the port when not in use. PowerConnect B-8000 Hardware Reference Manual 35 53-1001788-01