Adnacom S31 Manuel utilisateur

Adnacom Inc.

200 - 5050 Kingsway

Burnaby, BC V5H 4H2, Canada

http://www.adnacom.com/

Adnacom S31 64 Gb/s

PCI Express Over Fiber Optic System

User’s Guide

S31 64 Gb/s PCIe Over Fiber Optic System User’s Guide 
Rev1.0 
 
Adnacom Inc. 
2 of 38 
http://www.adnacom.com/ 
 
Contents 
User’s Guide.......................................................................................................................................................................................... 1 
1Terminology............................................................................................................................................................................... 4 
2Applicable and Reference Documents............................................................................................................................ 5 
2.1 Reference Documents..................................................................................................................................................... 5 
2.2 Applicable Documents.................................................................................................................................................... 5 
3System Description ................................................................................................................................................................. 6 
3.1 Overview............................................................................................................................................................................... 6 
3.2 Optical Transceivers and Active Optical Cables ................................................................................................... 7 
3.3 Direct Attach Cables ........................................................................................................................................................ 7 
4System Operation.................................................................................................................................................................... 8 
4.1 S31 Power-ON/OFF Modes .......................................................................................................................................... 8 
4.2 Manual Power-ON/OFF Sequence (modes 1 and 2).......................................................................................... 8 
4.3 Automatic Power-ON/OFF Sequence (mode 3)................................................................................................... 8 
5System Installation .................................................................................................................................................................. 9 
5.1 Installation recommendations..................................................................................................................................... 9 
5.2Preparing your computer .............................................................................................................................................. 9 
5.3 Power supply minimum load requirements........................................................................................................... 9 
5.4 Installing H18 host adapter card ................................................................................................................................ 9 
5.5 Installing R34 backplane ................................................................................................................................................ 9 
5.6 Installing user’s PCIe cards in R34 backplane .....................................................................................................10 
5.7 Connecting fiber optic cables....................................................................................................................................10 
5.8 Turning on the system for the first time ...............................................................................................................10 
6Verifying System Functionality .........................................................................................................................................11 
7H18 Host Adapter..................................................................................................................................................................15 
7.1 H18 Drawing .....................................................................................................................................................................15 
7.2 H18 DIP Switch Description........................................................................................................................................15 
7.3H18 LEDs Description....................................................................................................................................................15 
7.4 H18 Connectors Description ......................................................................................................................................17 
8R34 PCIe Backplane ..............................................................................................................................................................18 
8.1 R34 Drawing......................................................................................................................................................................18 
8.2 R34 DIP Switch Description ........................................................................................................................................19 
8.3 R34 LEDs Description ....................................................................................................................................................19 
8.4 R34 Connectors Description.......................................................................................................................................21 
9Web Interface..........................................................................................................................................................................24 
9.1 Overview.............................................................................................................................................................................24 

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9.2 H18 Web Site IP: 192.168.100.101 ...........................................................................................................................25

9.2.1 Overview ..................................................................................................................................................................25

9.2.2 Status Page: Configuration...............................................................................................................................25

9.2.3 Status Page: Status ..............................................................................................................................................26

9.3 R34 Web Site IP: 192.168.100.102............................................................................................................................29

9.3.1 Overview ..................................................................................................................................................................29

9.3.2 Status Page: Configuration...............................................................................................................................29

9.3.3 Status Page: Status ..............................................................................................................................................30

10 Troubleshooting.....................................................................................................................................................................33

10.1 Overview.............................................................................................................................................................................33

10.2 System Context Diagram .............................................................................................................................................33

10.3 Troubleshooting Algorithm ........................................................................................................................................33

10.3.1 Identify the problem ...........................................................................................................................................33

10.3.2 Review the operating and installation instructions ................................................................................34

10.3.3 Verify the computer.............................................................................................................................................34

10.3.4 Verify the H18 host adapter.............................................................................................................................34

10.3.5 Verify the QSFP cable .........................................................................................................................................34

10.3.6 Verify the R34 backplane ..................................................................................................................................34

10.3.7 Verify the add-in card.........................................................................................................................................34

10.4 Operating and performance problems..................................................................................................................35

10.5 Cable problems................................................................................................................................................................35

10.6 R34 automatic power ON/OFF problems .............................................................................................................35

11 Adnacom Products Design Disclaimer..........................................................................................................................36

12 Customer Support .................................................................................................................................................................37

13 Warranty....................................................................................................................................................................................38

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1Terminology

Table 1-1 Common terms used in the user’s guide

Term

Description

Add-in card

A card that is plugged into a connector and mounted in a chassis

AOC

Active optical cable

ATX

A system board form factor. Refer to the ATX Specification

A Link with “N” Lanes.

DAC

Direct attach cable

Downstream

The Ports on a Switch that are not the Upstream Port are Downstream Ports.

EMI

Electromagnetic Interference

ESD

Electrostatic Discharge

Gb/s

Gigabit per second

GT/s

Gigatransfers per second

Gen 1

PCIe 2.5 GT/s

Gen 2

PCIe 5 GT/s, backward compatible with Gen 1

Gen 3

PCIe 8 GT/s, backward compatible with Gen 1 and Gen 2

Lane

A set of differential signal pairs, one pair for transmission and one pair for

reception. A by-N Link is composed of N Lanes

Link

The collection of two Ports and their interconnecting Lanes. A Link is a dual-

simplex communications path between two components.

microATX

A system board form factor. Refer to the microATX Specification

Not connected

Operating system

PCIe

Interconnect standard for PCI Express cards

Port

Logically, an interface between a component and a PCI Express Link

QSFP

Quad Small Form-factor Pluggable

PCIe Switch

A device that connects two or more Ports to allow PCIe packets to be routed

from one Port to another

RMA

Return Material Authorization

Root Complex

A device which connects the processor and memory subsystem to the PCI

Express switches and devices

Upstream

The Port on a Switch that is closest topologically to the Root Complex is the

Upstream Port

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2Applicable and Reference Documents

2.1 Reference Documents

RD-1: H18 Datasheet. Adnacom Inc., https://adnacom.com.

RD-2: R34 Datasheet. Adnacom Inc., https://adnacom.com.

2.2 Applicable Documents

AD-1: PCI Express Base Specification, Revision 3.0. PCI-SIG, http://www.pcisig.com.

AD-2: PCI Express Card Electromecahnical Specification, Revision 3.0. PCI-SIG, http://www.pcisig.com.

AD-3: SFF-8436. QSFP+ 4x 10 Gb/s Pluggable Transceiver, Revision 4.9. SFF Committee.

AD-4: Design Guide for Desktop Platform Form Factors, Revision 002. Intel Corporation.

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3System Description

3.1 Overview

The Adnacom S31 is a multilane PCI Express Gen 3 system. The system can be configured to operate

with one or two QSFP transceivers: Active Optical Cables (AOC), or Direct Attach Cables (DAC). The

system consists of the Adnacom H18 host adapter and Adnacom R34 backplane. The systems

diagrams are shown in Figure 3-1 and Figure 3-2.

Figure 3-1 H18 One Port x8

Figure 3-2 H18 Two Ports x4

Gen 3 PCI

Express

Switch

Gen 3 PCI

Express

Switch

Gen 3 PCIe x8

QSFP

PCIe Lane 0-3

PCIe Lane 4-7

PCIe slot

PCIe x8 or x16 slot COMPUTER

PCIe slot

PCIe

PCIe Lane 0-3 QSFP

QSFP

PCIe Lane 4-7

H18

PCIe x8

Port 1

Port 0

Port 1

Port 2

Port 4

Port 5

Port 0

R34

Gen 3 PCI

Express

Switch

Gen 3 PCI

Express

Switch

Gen 3 PCIe x8

QSFP

PCIe Lane 0-3 PCIe slot

PCIe x8 or x16 slot COMPUTER

PCIe slot

PCIe

PCIe Lane 0-3 QSFP

QSFP

PCIe Lane 0-3

H18

PCIe x8

Port 1

Port 2

Port 4

Port 5

Port 0 R34

Gen 3 PCI

Express

Switch

QSFP

PCIe Lane 0-3 PCIe slot

PCIe slot

PCIe

Port 1

Port 2

Port 4

Port 5

R34

Port 2

Port 0

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The Adnacom S31 allows system integrators to operate one PCIe add-in card at long distances from

the location of the computer system via a fiber optic cable with a maximum throughput of 64 Gb/s.

No additional host software drivers are required during installation or operation. All PCI Express cards

are supported, including audio, video, USB, FireWire, SATA, data-acquisition, network, and others.

The supported add-in card PCIe link widths are x1, x2, x4, x8, and x16.

The use of fiber optics provides electrical isolation and the ability to use long cables. This allows the

system integrator to use the system in applications where equipment operates in harsh

environmental conditions or must be isolated from the host computer. The expansion system is

transparent to software applications and drivers, such that industry-standard desktop computers and

servers can communicate with remote devices with no additional programming.

3.2 Optical Transceivers and Active Optical Cables

Table 3-1 Tested AOC

Manufacturer

Part Number

Description

Finisar

FCCN410QD3C10

Reliable operation and consistent performance.

Fiber Store

QSFP-AO10

The link may require multiple retrains after a restart. The

difference in optical power levels between channels may

vary by 2-4 times. If it is not a concern for the

application, the cable may be used.

10Gtek

AOC-Q1Q1-010

Not recommended. The link is not reliable as tested.

3.3 Direct Attach Cables

Table 3-2 Tested DAC

Manufacturer

Part Number

Description

9QA0-111-12-3.00

Reliable operation.

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4System Operation

4.1 S31 Power-ON/OFF Modes

The R34 can turn on and off a standard computer power supply. The R34 can operate in one of 3

power control modes.

Table 4-1 R34 Power Control Modes

Mode

S1.3

S1.4

Description

OFF

Power ON and OFF is controlled by the momentary button

SW6 or an external momentary switch connected to J9 pins

2 and 4

OFF

Power supply and the R34 are always ON

This mode should be used with a custom power supply

OFF

Power is turned ON and OFF automatically when the

computer is turned ON and OFF

Note: Disconnection of the fiber optic cable with the system powered on requires a Power-OFF/ON

sequence to resume operation.

4.2 Manual Power-ON/OFF Sequence (modes 1 and 2)

Power-On Sequence

•Power-on the R34.

•Power-on the host computer.

Power-Off Sequence

•Power-off the host computer.

•Power-off the R34.

4.3 Automatic Power-ON/OFF Sequence (mode 3)

Mode 3 can be used only with an optical cable and a standard computer power supply or a

power supply with a 5V standby voltage and a PS_ON# signal. After installing the system, connect

the power cord and switch ON the power switch on the R34 power supply to provide standby power

to the R34. In this mode, the power sequence is controlled automatically. When the computer is

turned ON and OFF, the R43 is turned ON and OFF automatically.

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5System Installation

5.1 Installation recommendations

It is highly recommended to update your computer’s BIOS and OS. The latest BIOS update and its

installation instructions may be downloaded from the computer or motherboard manufacturer’s web

site. If a BIOS update does not solve installation issues, further diagnostics may be required, and the

system may be installed on a different computer to verify Adnacom S31 functionality.

ESD Warning The electronic parts are sensitive to electrostatic discharges. Please

use an electrostatic wrist strap and/or conductive mat when executing the steps

below.

5.2 Preparing your computer

•The system does not support overclocking. Please make sure that the PCI Express clock

frequency is set to either the default value or 100MHz in the BIOS.

•The optical transceivers used in the system do not support PCI Express link power

management. Therefore, it is recommended to disable all power management features on

the computer. The step-by-step instructions for Windows 7, 8, and 10 can be found on the

https://adnacom.com/s31 page. For other operating systems, please consult your OS

documentation, or if you need additional assistance, please contact the OS vendor.

5.3 Power supply minimum load requirements

•The R34 backplane is designed to be powered by a standard computer power supply. Many

computer power supplies require a minimum load to provide a stable output voltage and, in

some cases, may not even turn on. If the installed add-in cards do not consume enough

power for stable power supply operation, an additional load can be added by connecting

chassis fans or a load resistor to the power supply.

5.4 Installing H18 host adapter card

•Power off the host computer and unplug its power cord.

•Remove the computer’s cover.

•Identify any PCIe x8 or x16 slot on the motherboard.

•Configure the H18 using the DIP switch settings described in Table 7-1.

•Remove the metal bracket for the slot you have selected. Keep both the bracket cover and

retaining screw.

•Insert the H18 card into the identified PCIe slot by pushing gently on the card. Secure the

card to the computer chassis using the retaining screw.

•There should be sufficient airflow to keep the PCIe switch temperature below the maximum

limit. The temperature can be verified using the web interface described in section 9.

5.5 Installing R34 backplane

•The R34 may be mounted in any microATX or ATX case.

•Connect the main power supply cable (20 or 24 pin connector) to the R34 J8 connector.

•Additional power may be supplied via the J10 and J11 connectors.

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•If necessary connect an additional load to the power supply as described in section 5.3 Power

supply minimum load requirements

•Set up the power control mode on the remote H2 as described in 4 System Operation.

•Configure the R34 using the DIP switch settings described in Table 8-1.

•There should be sufficient airflow to keep the PCIe switch temperature below the maximum

limit. The temperature can be verified using the web interface described in section 9.

5.6 Installing user’s PCIe cards in R34 backplane

•Follow the recommendations and procedures provided by the card manufacturer for

installation into standard computer slots.

•Install the user’s cards into the J1-J4 slots on the Adnacom R34. Make sure that the slots are

enabled in the configuration selected by the S1.1 and S1.2 switches.

5.7 Connecting fiber optic cables

•When the H18 is configured in the one-port x8 mode, the QSFP 1 must be connected. If

QSFP 2 is not used, it is recommended to remove the transceiver to prevent link training

failure.

•When the H18 is configured in the two-port x4 mode, the QSFP 1 and QSFP 2 can be used

in any combination.

•The QSFP 1 on the R34 must be connected. If QSFP 2 is not used, it is recommended to

remove the transceiver to prevent link training failure.

•In the one-port x8 mode, both cables must have the same length and be of the same type.

5.8 Turning on the system for the first time

•Power on the system, as indicated in 4 System Operation.

•The system operating status can be verified using the web interface described in section 9.

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