PCIe3 LP 16 Gb 2-port Fibre Channel Adapter (FC EL43; CCIN 577F)

Learn about the specifications and operating system requirements for the feature code (FC) EL43 adapter.

Overview

The PCIe3 LP 16 Gb 2-port Fibre Channel Adapter is a low-profile, x8, generation 3, PCIe adapter. This adapter has a little connector-type (LC) external fiber connector that provides single initiator capability over an optical fiber link. The adapter automatically negotiates the highest data rate between the adapter and an attaching device at a link speed of 16 Gbps, 8 Gbps, or 4 Gbps. The adapter supports a maximum link speed of 16 Gbps at both ports. Distances between the adapter and an attaching device or switch can reach up to 380 m running at a 4 Gbps data rate, up to 150 m running at an 8 Gbps data rate, and up to 100 m running at a 16 Gbps data rate.

The adapter has the following features:
  • This adapter has parts and construction compliant with the European Union Directive of Restriction of Hazardous Substances (RoHS)
  • The adapter is compliant with the PCIe base and Card Electromechanical (CEM) 2.0 specifications with the following characteristics:
    • Provides an x8 lane link interface at 14.025 Gbps, 8.5 Gbps, or 4.25 Gbps (automatic negotiation with system)
    • Provides support for one Virtual Channel (VC0) and one Traffic Class (TC0)
    • Provides configuration and I/O memory read and write, completion, and messaging capabilities
    • Provides support for 64-bit addressing
    • Provides error correction code (ECC) and error protection functions
    • Provides link cyclic redundancy check (CRC) on all PCIe packets and message information
    • Provides a large payload size of 2048 bytes for read and write functions
    • Provides a large read request size of 4096 bytes
  • The adapter is compatible with 4, 8, and 16 Gb Fibre Channel interface with the following characteristics:
    • Provides for automatic negotiation between 4 Gb, 8 Gb, or 16 Gb link attachments
    • Provides support for the following Fibre Channel topologies: point-to-point (16Gb only) and fabric
    • Provides support for Fibre Channel class 3
    • Provides a maximum Fibre Channel throughput that is achieved by using full duplex hardware support
  • The adapter provides an end-to-end data path parity and CRC protection, including internal data path random-access memory (RAM)
  • Provides architectural support for multiple upper layer protocols
  • Provides comprehensive virtualization capabilities with support for N_Port ID Virtualization (NPIV) and virtual fabric (VF)
  • Provides support for message signaled interrupts extended (MSI-X)
  • Provides support for 255 VFs and 1024 MSi-X
  • Provides an internal, high-speed static random-access memory (SRAM) memory
  • Provides ECC protection of local memory that includes single-bit correction and double-bit protection
  • Provides an embedded shortwave optical connection with diagnostics capability
  • Provides support for an on-board context management by firmware:
    • Up to 8192 FC port logins
    • I/O multiplexing down to the Fibre Channel frame level
  • Provides data buffers capable of supporting 64+ buffer-to-buffer (BB) credits per port for shortwave applications
  • Provides link management and recovery that is handled by firmware
  • Provides on-board diagnostic capability accessible by an optional connection
  • Provides a performance up to 16 Gbps full duplex

The following figure shows the adapter.

Figure 1. EL43 adapter
FC EL43 adapter

Specifications

Item
Description
Adapter FRU number
00E3496 (Designed to comply with RoHS requirement)
Wrap plug FRU number
12R9314
I/O bus architecture
PCIe3 x8
Slot requirement
One available PCIe x8 or x16 slot
Voltage
3.3 V, 12 V
Form factor
Short, low-profile
FC compatibility
4, 8, 16 Gb
Cables
Cables are the responsibility of the customer. Use multimode fiber optic cables with shortwave lasers that adhere to the following specifications:
  • OM4: Multimode 50/125 micron fiber, 4700 MHz x km bandwidth
  • 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 must 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 cable types at the different link speeds.
Table 1. Supported distances for cables
Header Cable type and distance
Rate OM1 OM2 OM3 OM4
4.25 Gbps 0.5 - 70 m (1.64 - 229.65 ft) 0.5 - 150 m (1.64 - 492.12 ft) 0.5 - 380 m (1.64 - 1246.71 ft) 0.5 - 400 m (1.64 - 1312.34 ft)
8.5 Gbps 0.5 - 21 m (1.64 - 68.89 ft) 0.5 - 50 m (1.64 - 164.04 ft) 0.5 - 150 m (1.64 - 492.12 ft) 0.5 - 190 m (1.64 - 623.36 ft)
14.025 Gbps 0.5 - 15 m (1.64 - 49.21 ft) 0.5 - 35 m (1.64 - 114.82 ft) 0.5 - 100 m (1.64 - 328.08 ft) 0.5 - 125 m (1.64 - 410.10 ft)
Maximum number
For the maximum adapters supported, see the PCI adapter placement topic collection for your system.

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 that you determine whether any prerequisites must be met for this feature and attaching devices. To check for the prerequisites, see IBM® Prerequisite website.

The adapter is supported on the following versions of the operating systems, depending on the system you are using:
  • Linux
    • Red Hat Enterprise Linux Version 7, or later, with current maintenance updates available from Red Hat.
    • Red Hat Enterprise Linux Version 6.5, or later, with current maintenance updates available from Red Hat.
    • SUSE Linux Enterprise Server 11, Service Pack 3, or later, with current maintenance updates available from SUSE.
    • SUSE Linux Enterprise Server Version 12, or later
    • Linux Ubuntu 15.04, or later
    • The latest version of the device driver or iprutils can be downloaded from the IBM Service and Productivity Tools website.
  • PowerKVM
    • IBM PowerKVM 2.1.1, or later

Adapter LED states

Green and yellow LEDs can be seen through openings in the mounting bracket of the adapter. Green indicates firmware operation, and yellow signifies port activity. Table 2 summarizes normal LED states. A 1 Hz pause occurs when the LED is off between each group of fast flashes (2, 3 or 4). Observe the LED sequence for several seconds to ensure that you correctly identify the state.

Table 2. Normal LED states
Green LED Yellow LED State
On 2 fast flashes 4 Gbps link rate: normal, link active
On 3 fast flashes 8 Gbps link rate: normal, link active
On 4 fast flashes 16 Gbps link rate: normal, link active

Power-on-self-test (POST) conditions and results are summarized in Table 3. These states can be used to identify abnormal states or problems.

Table 3. POST conditions and results
Green LED Yellow LED State
Off Off Wake-up failure of the adapter board
Off On POST failure of the adapter board
Off Slow flash Wake-up failure monitor
Off Fast flash Failure in post
Off Flashing Postprocessing in progress
On Off Failure while functioning
On On Failure while functioning
Slow flash Off Normal, link down
Slow flash On Not defined
Slow flash Slow flash Offline for download
Slow flash Fast flash Restricted offline mode, waiting for restart
Slow flash Flashing Restricted offline mode, test active
Fast flash Off Debug monitor in restricted mode
Fast flash On Not defined
Fast flash Slow flash Debug monitor in test fixture mode
Fast flash Fast flash Debug monitor in remote debug mode
Fast flash Flashing Not defined



Last updated: Thu, June 27, 2019