PGM117_Umanual_ver 1.7.8 Sep 07

PGM117 Hydra Blade Datasheet

PGM117 Datasheet Version 1.7.8

LRM IEEE 802.3aq and IEEE 802.3ae Pattern Generation/BERT Blade

Coptran . Printed in the USA.

rors contained herein or for incidental or consequential damages in onnection with the furnishing, performance, or use of this manual.

Hydra PGM117 Blade

yright Circadiant Systems, Inc., 2007. All rights reserved. Reproduction, adaptation, or slation without prior written permission is prohibited, except as allowed under copyright laws

Notice. The information contained in this document is subject to change without notice. Circadiant makes no warranty of any kind with regard to this material, including but not limited to

s of merchantability and fitness for a particular purpose. Circadiant shall the implied warrantienot be liable for erc

PGM117 Hydra Blade - Datasheeet


PGM117 802.3aq Pattern Generator with Differential I/O

The PGM117 card is a pattern generator and error detector for providing test patterns for testing to IEEE 802.3aq. The PGM117 features are identical to the PGM107 but it adds Differential I/O and the capability for full 10GE protocol

PGM117 Pattern Generation Module



Input/output Specifications - The Blade has five 50 SMA connectors:

Name Description

DATA-

Pattern Generator Data- Output Data- of the differential output with a typical Vpp of 0.4V at a data rate of 10.3125Gb/s. If this port is unused it should be terminated with a 50 load.

DATA+

Pattern Generator Data+ Output Data+ of the differential output with a typical Vpp of 0.4V at a data rate of 10.3125Gb/s. If this port is unused it should be terminated with a 50 load. To the left of this connector is a red LED. Under normal operating conditions, this LED is off. An on state indicates an unexpected operating condition and customer service should be contacted

PATT SYNCH

Pattern Trigger Output This connector should be connected to a scope when the user is analysing data patterns. The output voltage level is not user changeable and the typical Vpp is 0.8V. The Patt Synch signal is approximately of the complete pattern length selected.

REF CLK

Reference Clock Output This connection provides a 1/64 clock output for use as a scope trigger or to provide a clock for the DUT. If both are required at once then a true 50:50 RF splitter should be used to ensure adequate voltage levels at both scope and clock. The output voltage level is not user changeable and the typical Vpp is 0.8V.

DATA-

Error Detector Data- Input Data- of the differential input to the Error Detector. The input data should be TBD < Vpp < TBD at a data rate of 10.3125Gb/s TBD. All patterns identified in IEEE 802.3aq are accepted. To the left of this connector are three LEDs:

DATA+

Error Detector Data+ Input Data+ of the differential input to the Error Detector. The input data should be TBD < Vpp < TBD at a data rate of 10.3125Gb/s TBD. All patterns identified in IEEE 802.3aq are accepted. To the left of this connector are three LEDs:

Lock - lit green when the receiver clock is in a lock state Err - lit green when the input data is error free Synch - lit green when the input data is synchronized

EXT RF CLK

Reference Clock Input This connector is the input for an external 1/64 clock. This is used if the data rate is required to be different than 10.3125Gb/s. The input signal has to be TBD < Vpp < TBD at a data rate of 10.3125Gb/s TBD ppm To the left of this connector is a LED. It is lit when this connector is selected

WARNING Always follow precautions for handling electrostatic sensitive devices on all RF connections



Line LCD Status Monitor Display on LRM110M Blade

T:P9 JOFF


Controlling the PGM107 802.3aq Pattern Generator

o select the pattern generator, use the arrows at the bottom left hand side of the screen to

m the left hand side of the

ing, it is not possible to access the control screen for this

asic Module

Tchoose the Protocol Module. There are two screens for controlling this module: Basic Module Expanded Module To access either of these screens, choose the relevant tab froSignal Configuration Tab. Note. If an application is runnmodule.

B



Pattern Generator

Choosing Pattern Generator Transmit Pattern

Using this pull down menu enables the transmit pattern to be changed.

The following patterns are per the IEEE 802.3aq standard may be selected:

Name Pattern Length (bits)

Description

PRBS 9 511 PRBS 29 -1 pattern PRBS 15 32,767 PRBS 215 -1 pattern PRBS 23 8,338,607 PRBS 223 -1 pattern PRBS 31 2,147,483,647 PRBS 231 -1 pattern

PRBS 9 Balanced 512 PRBS 29 pattern ALT and 1 2 1 0 repeating pattern

Square 8 16 Square wave comprising 8x1 followed by 8x0 Square 16 32 Square wave comprising 16x1 followed by 16x0

N = 16 Isolated 1 66 N = 32 Isolated 1 130 N = 64 Isolated 1 258

Isolated 1 followed by an Isolated 0 N x 0, 1, N x 0 , N x 1, 0, N x 1

Mixed 1 33792 BBn Bi Bn Bi as defined by IEEE802.3aq Mixed 2 33792 An Ai An Ai as defined by IEEE802.3aq

Sub Sequence 1 348 348 bits, beginning at 3258. Pattern Key: 101010111011011, beginning immediately before the sub-sequence at bit 3243. As defined by IEEE802.3aq

Basic 10Ge Protocol Optional limited 10Ge protocol NOTE: Selecting any one of these options will result in the immediate change to the new pattern. Pattern Inversion

Invert the pattern

This will also cause the button image to change:

If the pattern is inverted, repressing the button will turn off inversion and change the image back to the original:



Error Injection

Pressing the Inject Single Error Button will inject a single error into the pattern.

Pressing the Inject Rate button and typing a BER will add continuous errors at the entered rate to the chosen test pattern.

If errors are being injected, pressing the button will cause the image to change back to its default state:

Tx Clock

Changing the Clock Source

This pull down menu offers three options for the source of the clock used to clock the data source. In addition, this clock is also provided from the Reference Clock Output SMA connector on the front of the module.

This selects the internal clock at 161.1328MHz TBD MHz

This selects the user provided clock (from the Reference clock Input SMA connector)

Adding Jitter

Pressing the Inject Single Error Button will enable calibrated jitter to be added to the clock. It will also highlight the checkmark on the button. Jitter addition is possible when the clock source is set to internal or external

With the Enable Jitter button pressed, this option will add no additional jitter

With the Enable Jitter button pressed, this option will add 5UI of jitter at 75kHz as specified in IEEE 802.3aq

With the Enable Jitter button pressed, this option will add 1UI of jitter at 375kHz as specified in IEEE 802.3aq

If jitter is being added, repressing the button will result in the clock being jitter free and the button image to change back to its default unchecked state:



Error Detector Receiver is expecting the Transmitted Pattern returned to the receive side.

Invert the incoming pattern

Statistics The user interface allows the user to choose a statistic to monitor and set a gate time.

Statistic Choice

Using this pull down menu enables a statistic to be monitored. The corresponding statistic is displayed numerically below this menu. Statistics are accumulated and displayed at the end of the gate period

One of the following statistics options can be selected to be displayed: Name Description Rx total bits Total number of bits received BER BER Bit Errors Total Number of Bit Errors Omission Errors Total number of omission errors

Omission errors are defined as an error that occurs when a transmit 1 is received as a 0

BER (omit) BER of omission errors

Insertion Errors Total number of insertion errors Insertion errors are defined as an error that occurs when a transmit 0 is received as a 1

BER (insert) BER of insertion errors

If more than one statistic is required to be monitored at a time, two options are available to the user: Use the Protocol Module Expanded Module Screen Use the Applications BER Statistics Application Gate Period

Using this pull down menu enables different gating periods to be chosen Selections : 0.25, 0.5, 1, 2, 5, 10, and 30 seconds



For the gate periods of 2 seconds or longer, a progress bar is shown below the gate period pull down menu. This indicates how much of the gate time has passed

Further gate controls are available using the application BER Statistics

Statistics Continued

Indicator LEDs

Indicator LEDs are provided to indicate the status of alarms:

Indicates the status of the pattern and whether there are errors

Indicates the status of the error detector and if it is synched with the pattern

Indicates the status of the received clock and whether it is locked The colour and position of the LED indicates the current and the historical status of each of these alarms:

The left hand side is used to indicate current alarm condition The right hand side is used to indicate historic alarm condition

Red us used to indicate alarm is currently active Green is used to indicate alarm is not active Amber is used to indicate alarm was historically active

This can be demonstrated with the following diagram of the indicator LEDs:

Indicates there are currently errors (and as a result that there have been errors since the last alarm reset) Error Detector is currently synched, but had previously lost synch since the last alarm reset

Received clock is locked currently and has always been locked since the last alarm reset

Touching anywhere on this LED window will reset the alarm history



Expanded Module

When this control screen is chosen, the basic module control screen is expanded to cover the majority of the screen and additional functionality is provided.

The user is able to monitor four statistics simultaneously. The statistics offered are the same as those described in the Basic Module Control screen (which now occupies the right hand third of the Expanded Module Control screen).

As with the Basic Module Control screen, the totals accumulate and then display at the end of the gate period. The gate period is controlled as per the Basic Module Control screen.

Remote Control - SCPI commands All Hydra Blades can be remotely controlled via SCPI commands. Please refer to the Hydra SCPI Manual for the detailed instructions. .


PGM117 802.3aq Pattern Generator with Differential I/OControlling the PGM107 802.3aq Pattern GeneratorBasic Module Expanded Module

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PGM117_Umanual_ver 1.7.8 Sep 07