The Sun PCI Express (PCIe) Dual-Port Fibre Channel (FC) ExpressModule ( EM) from QLogic consists of a single wide, PCIe EM bus expansion board that interfaces a 4 lane (8-lane physical) PCIe bus to an FC optical media bus. The EM can act as either an initiator or a target. The board supports two independent FC buses operating at 4.25 Gbps. It is also backward compatible with 2.125 Gbps and 1.0625 Gbps devices. Small Form Factor (SFF) optical transceivers are used to connect to the external FC buses.
The following table lists the features of the FC EM.
Feature |
Description |
---|---|
PCI connector |
x8 |
PCI signaling environment |
PCI Express x4 (4 active lanes) |
PCI transfer rate (maximum) |
PCI Express Generation One (2.5 Gbps) x4 |
Number of FC buses |
Two |
Number of devices supported |
126 devices per FC loop |
FC bus type (external) |
Fiber optic media, short wave, multi-mode fiber (400- M5- SN-S) |
FC transfer rate |
400 Mbytes per second per loop maximum, half duplex 800 Mbytes per second per loop maximum, full duplex |
FC interface chip |
QLogic ISP2432 |
ISP RAM |
256kx36 SSRAM, parity protected, per port |
BIOS ROM |
One 1-MB flash ROM, field-programmable |
NVRAM |
One 2-KB EEPROM, field-programmable |
External connectors |
Two LC duplex connectors |
Maximum FC cable length |
1 Gbps: 500 meters using 50/125 µm core fiber - - - - - -300 meters using 62.5/125 µm core fiber 2 Gbps: 300 meters using 50/125 µm core fiber - - - - - -150 meters using 62.5/125 µm core fiber 4 Gbps: 150 meters using 50/125 µm core fiber - - - - - -70 meters using 62.5/125 µm core fiber |
LED indicators |
Three LEDs per channel (yellow, green, amber) on front panel as status indicators Power LED, Attention LED, and a push button on front panel to support hot-plug functionality |
Form Factor |
PCI ExpressModule, single wide |