2-Way Injector+ NEXT Measurement Performance Specifications

20Way Injector+

 

 

Testing

 

 

through

NEXT Performance

Testing through

Mod 8

Parameters @ 100MHz

36-Pin Connector

Adapter

 

Typical

Max

Typical

 

 

 

 

 

Dynamic Accuracy (dB)

0.3

0.5

0.3

 

 

 

 

 

 

Residual NEXT (dB)

67

62

45

 

 

 

 

 

 

Output Signal Balance (dB)

50

43

40

 

 

 

 

 

 

Common Mode Rejection (dB)

45

38

34

 

 

 

 

 

 

Random Noise (dB)

78

75

78

 

 

 

 

 

 

Transmit Return Loss (dB)

26

23

20

 

 

 

 

 

 

Receive Return Loss (dB)

22

17

17

 

 

 

 

 

 

NEXT Accuracy (dB) @ 100 MHz

0.5 (*1)

0.9 (*1)

1.5 (*2,3)

 

 

 

 

 

 

*Notes:

(1)NEXT accuracy is calculated at the Basic Link Limit (29.3 dB) per error model in TSB-67 A.3

(2)NEXT accuracy is calculated at the Channel Limit (27.1 dB) per error model in TSB-67 A.3

(3)Performance assumes a high performance modular 8 plug

Near-End Crosstalk (NEXT)

Tests all six pair combinations

Frequency range 0.7 to 100 MHz

Sweep Mode 0.1 MHz, 0.2 MHz, 0.5 MHz linear or TIA (user selectable)

Dynamic Range:

2-Way Injector+: Measurement dynamic range > 75 dB

2-Way Injector: At least 15 dB greater than required by EIA/TIA 568A Annex E for Category 5 link and ISO 11801 Class D performance or 60 dB, whichever is less

Measurement Accuracy:

2-Way Injector+: Calculated per TIA TSB-67 error model (see 2-Way Injector+ NEXT Injector Specifications table)

2-Way Injector: ±1.5 dB when measured using fixed attenuators

Measurement resolution: 0.1 dB

Super Injector+/Super Injector

Physical Characteristics

Dimensions:

7.62 cm x 16.5 cm x 3.25 cm (3.0” x 6.5” x 1.28”)

Weight:

0.255 kg (9 oz)

Power

AA Alkaline batteries

Battery Life: Varies depending on usage and battery quality. On average, the batteries will withstand testing of well over 500 cables.

Features

Automatic power control from Scanner

Status indicators: Active, Test Passed, Test Failed

Page 56
Image 56
Microtest TSB-67 - 568A Annex E manual Way Injector+ Next Measurement Performance Specifications, Features