Brocade Communications Systems SilkWorm 3800, Hardware Reference Manual, Page: 41 / 62

SilkWorm 3800 Hardware Reference A-5
Product Specifications
A
Data Transmission Ranges
Table A-5 provides the data transmission ranges for different cable types and port speeds.
Memory Specifications
The SilkWorm 3800 has the following memory:
•
Main Memory (SDRAM): 32 MB
•
Flash Memory: Dual 8 MB
•
Boot Flash: 512K bytes of 8-bit for system boot
Fibre Channel Port Specifications
The fibre channel ports in the SilkWorm 3800 are compatible with SWL and LWL SFP
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 A-7 .
The ports are capable of operating at 2.125 Gbit/sec or 1.0625 Gbit/sec, and are able to auto-sense
the highest speed of which all attached devices are capable.
Serial Port Specifications
The serial port is located on the port side of the switch, and is a three-wire RS-232 port with a
“DB-9” male connector, designed to connect to a DTE port.
Note: To provide dust and ESD protection, keep the cover on the serial port whenever the
port is not in use.
Table A-5 Laser Data Transmission Ranges
Port Speed Cable Short Wavelength Long Wavelength
1 Gbit/sec 50u 500 m (1,640 ft) N/A
1 Gbit/sec 62.5u 300 m (984 ft) N/A
1 Gbit/sec 9u N/A 10 km (6.2 miles)
2 Gbit/sec 50u 300 m (984 ft) N/A
2 Gbit/sec 62.5u 150 m (492 ft) N/A
2 Gbit/sec 9u N/A
10 km (6.2 miles) without a Brocade
Extended Fabrics license; 50 to 100 km with
a Brocade Extended Fabrics license