beautypg.com

40g sdh/sonet sdh/sonet application, Generator – Atec JDSU-ONT Series User Manual

Page 9

background image

ONT-5xx 40/43 Gb/s Test Solution

9

Receiver

Recovered clock output
Via 50

W SMA connector, with clocking at line rate/64

Displays the current optical input level and the min/max values
with timestamp.
Displays the current signal frequency and offset and the min/max
values with timestamp.

Generator

Test pattern

PRBS: 2

31

-1, 2

23

-1, 2

15

-1, 2

11

-1, 2

7

-1,

2

31

-1 inv., 2

23

-1 inv., 2

15

-1 inv., 2

11

-1 inv., 2

7

-1 inv.

(Conforming to ITU-T O.150)

Error insertion

Type

Bit errors

Trigger

Single, rates from 1 x 10

-3

to 1 x 10

-12

With mantissa equal 1

Alarm insertion

Type

LOS

Trigger

Continuous

Trigger output

Type

Off, Laser on

Pulse output

Event present, logical high

Level

TTL compatible, high >2.4 V, low <0.8 V

Connector

BNC, 75 Ω

Analyzer

Analysis of test pattern

PRBS: 2

31

-1, 2

23

-1, 2

15

-1, 2

11

-1, 2

7

-1,

2

31

-1 inv., 2

23

-1 inv., 2

15

-1 inv., 2

11

-1 inv., 2

7

-1 inv.

(Conforming to ITU-T O.150)

Error measurement

Type

Bit errors

Alarm detection

Type

LOS, Pattern Loss

Resolution

100 ms

Result display of errors and alarms

Numerical display

Count, ratio and duration are displayed for each error
Duration is displayed for each alarm

Tabular display

Display of all results with time stamps
Criteria

Start, stop, duration, count

Intermediate bit error

In addition to the long term bit error measurement, intermedi-
ate results are available.
Interval

1 s up to 3600 s,

Results

Current/previous interval,

Count and ratio

Trigger output

Type

Off, LOS alarm

Pulse output

Event present, logical high

Level

TTL compatible, high >2.4 V, low <0.8 V

Connector

BNC, 75 Ω

40G SDH/SONET

SDH/SONET application

SDH/SONET testing
Generation/evaluation of STM-256 signal according to ITU-T G.707
Generation/evaluation of OC-768 signal according to ANSI T1.105

Mapping

SDH

VC-4-256c, VC-4-64c, VC-4-16c, VC-4-4c, VC-4, AU-3/VC-3

SONET

STS-768c SPE, STS-192c SPE, STS-48c SPE,

STS-12c SPE, STS-3c SPE, STS-1 SPE

Generator

Generator modes

Free definable foreground

All channels identical

Background selectable mapping, depending on foreground chan-

nel with definable path overhead and Null pattern as payload

Auto signal structure
Receiver analyses the signal structure (mapping, payload, traces)
automatically for easy configuration of the test channel.

Test pattern

PRBS: 2

31

-1, 2

23

-1, 2

15

-1, 2

11

-1,

2

31

-1 inv., 2

23

-1 inv., 2

15

-1 inv., 2

11

-1 inv.

(Conforming to ITU-T O.150)

Programmable word

Length 32 bits