- Sun User's Guide StorageTek 4 Gb FC NEM 20-Port Host Bus Adapter

2 Sun StorageTek 4 Gb FC NEM 20-Port Host Bus Adapter User’s Guide • May 2007
Twenty SFP fiber-optic transceivers are included with each NEM. You can order
additional NEMs and SFP transceivers from Sun Microsystems using the following
part numbers:
See
TABLE 1-1 for a list of the NEM’s features.
Description Part Number
4 Gb FC NEM 20-port HBA SG-XPCIE20FC-NEM-Z
4 pack of Small-Form Pluggable shortwave FC optical
transceivers capable of 4 Gb, 2 Gb, and 1 Gb transfer
rates (RoHS-5 compliant)
XSFP-SW-4GB-4PK
Small-Form Pluggable shortwave FC optical
transceiver capable of 4 Gb, 2 Gb, and 1 Gb transfer
rates (RoHS-5 compliant)
XSFP-SW-4GB
TABLE 1-1 NEM Features and Specifications
Feature Description
NEM interface PCI Express ten x8 (ten x4 active links)
FC interface Dual port 4, 2, 1 Gbps auto-speed negotiation
FC topology Point-to-point (N-port), Arbitrated Loop (NL_port) and
Switched Fabric (N_port)
PCI transfer rate (maximum) PCI Express Generation One (2.5 Gbps) x4
Onboard memory One 4-MB flash ROM per chip, 40 MB total, field-
programmable
One 1.5 MB SRAM per chip, 15 MB total NEM SRAM
ID chip Enables the HBA worldwide names (WWNs) to be
retained when a NEM is replaced. See “ID Chip
Feature” on page 3 for more information.
External FC connectors Small Form-Factor Pluggable (SFP) multimode optic
with LC-style connector
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