PCIe2 LP 8 Gb 4-port Fibre Channel Adapter (FC EN0Y; CCIN EN0Y)

Learn about the specifications and operating system requirements for the feature code (FC) EN0Y adapter.

Overview

The PCIe2 LP 8 Gb 4-port Fibre Channel Adapter is a PCI Express (PCIe) generation-2, low-profile, high-performance, x8 short form factor plus (SFF+) Host Bus Adapter (HBA). This adapter enables multiple logical (virtual) connections to share the same physical port. Each logical connection has its own resources and the ability to be managed independently. Each port provides single initiator capability over a fiber link or provides multiple initiator capability with N_Port ID Virtualization (NPIV). The ports are connected by using mini little connectors (mini-LC) type connectors. These connectors use shortwave laser optics. The adapter operates at link speeds of 2, 4, and 8 gigabits per second (Gbps) and automatically negotiates to the highest speed possible. LEDs on each port provide information about the connection status and link speed of the port. The adapter connects to a Fibre Channel switch.

The LEDs on the adapter indicate the TX/RX and link status as shown in Table 1.
Figure 1 shows the adapter.
Figure 1. PCIe2 LP 8 Gb 4-port Fibre Channel Adapter
PCIe2 LP 8 Gb 4-port Fibre Channel Adapter
Table 1. LED indications
Hardware State Yellow LED (8 Gbps) Green LED (4 Gbps) Amber LED (2 Gbps) Comments
Power Off Off Off Off  
Power On (before firmware initialization) On On On  
Power On (after firmware initialization) Flash Flash Flash All flash at the same time.
Firmware Fault Flash in sequence Flash in sequence Flash in sequence Flashing in sequence of yellow LED, green LED, amber LED, then back to yellow LED.
2 Gbps Link UP/ACT Off Off On/Flash On for link up and flash if I/O activity.
4 Gbps Link UP/ACT Off On/Flash Off
8 Gbps Link UP/ACT On/Flash Off Off
Beacon Flash Off Flash All flashing at the same time.

Specifications

Item
Description
Adapter FRU number
74Y3923
Wrap plug FRU number
12R9314
Note: The wrap plug is included with the card, and can also be purchased from IBM®.
I/O bus architecture
PCIe2.0 x8
Slot requirement
For details about slot priorities, maximums, and placement rules, see PCIe adapter placement rules and slot priorities and select the system you are working on.
Voltage
3.3 V and 12.0 V
Form factor
Short, low-profile
Cables
For information about the cables, see Cables
Attributes provided
  • NPIV capability is supported through VIOS.
  • Requires a PCI Express generation-2 x8 slot for all four ports to operate at full speed.

Cables

Use multimode fiber optic cables with shortwave lasers that adhere to the following specifications:
  • OM3: Multimode 50/125 micron fiber, 2000 MHz x km bandwidth
  • OM2: Multimode 50/125 micron fiber, 500 MHz x km bandwidth
  • OM1: Multimode 62.5/125 micron fiber, 200 MHz x km bandwidth
Because core sizes are different, OM1 cables can only be connected to other OM1 cables. For best results, OM2 cables should not be connected to OM3 cables. However, if an OM2 cable is connected to an OM3 cable, the characteristics of the OM2 cable apply to the entire length of the cables. The following table shows the supported distances for the different fiber optic cable types at different link speeds.
Table 2. Supported distances for multimode fiber optic cables
Header Cable Type and Distance
Rate OM1 OM2 OM3
2.125 Gbps 0.5 meters to 150 meters (1.64 feet to 492.12 feet) 0.5 meters to 300 meters (1.64 feet to 984.25 feet) 0.5 meters to 500 meters (1.64 feet to 1640.41 feet)
4.25 Gbps 0.5 meters to 70 meters (1.64 feet to 229.65 feet) 0.5 meters to 150 meters (1.64 feet to 492.12 feet) 0.5 meters to 380 meters (1.64 feet to 1246.71 feet)
8.5 Gbps 0.5 meters to 21 meters (1.64 feet to 68.89 feet) 0.5 meters to 50 meters (1.64 feet to 164.04 feet) 0.5 meters to 150 meters (1.64 feet to 492.12 feet)

Operating system or partition requirements

If you are installing a new feature, ensure that you have the software that is required to support the new feature and you must determine any prerequisites that must be met for this feature and the attached devices. For information about operating system and partition requirements, see one of the following topics: