Data Sheet

LGX optical modules enable testing fibers that are

bearing traffic with an OTDR by inserting an out-of-band

wavelength ( or  nm).

The OTDR signal is added to the data signal by using a wavelength division multiplexer

(WDM). At the other fiber extremity, a filter blocks the OTDR signal. When OTDR

measurement range can cover more than one fiber span, a bypass can extend the OTDR

signal to the adjacent span.

With low insertion loss, a flat passband and exceptional reliability and environmental stability,

the modules are well suited for in-service fiber test applications. They install in minutes,

without tools, in any LGX-compatible shelf or fiber-distribution panel.

Key Features

y Low insertion loss

y Wide and flat passband

y Exceptional reliability and

environmental stability

y Excellent temperature stability

y Install in minutes

Applications

y Remote fiber test system

y In-service fiber monitoring

LGX Optical

Modules

In-service, out-of-band fiber monitoring

Product specifications and descriptions in this

document are subject to change without notice.

e98lgx1625-ds-cms-nse-ae

30175970 001 1017

(+1 844 468 4284)

To reach the Viavi office nearest you,

visit viavisolutions.com/contacts.

viavisolutions.com

LGX Optical Modules

2 WDM 1625 nm

1625 A

1625 B

Data A

Data B

Com A

Com B

Com (A)

Data (A)

OTDR(A)

Com (B)

Data (B)

OTDR(B)

Bybass 1625 nm

Com A

Data A

Data B

filtered

Com B

Com (A)

WDM

Spliced

internally

Data (A)

Com (B)

WDM

Filter

Data (B)

2 Filters 1625 nm

Data A

Data B

Com A

Com B

Com (A) Data (A)

Com (B) Data (B)

LGX box with two WDM (SC/APC)

LGX box with one bypass (SC/APC)

LGX box with two filters (SC/APC)

Specifications

Parameter WDM Bypass Filter

Power handling 500 mW

Connectors SC/APC

Components per box 2 1 2

Data Wavelength Range: 1290 − 1580 nm/OTDR: 1625 nm

Insertion loss1 1.1 dB Side A: 1.5 dB 1.1 dB

@1290 − 1570 nm

Side B: 1.1 dB 2.1 dB @1580 nm

Isolation2 15 dB Side A: 50 dB

@1625nm

35 dB @1625 nm

Side B: 15 dB

Data Wavelength Range: 1260 − 1620 nm/OTDR: 1650 nm

Insertion loss1 1.1 dB Side A: 1.5 dB 1.1 dB

Side B: 1.1 dB

Isolation2 15 dB Side A: 55 dB

@1650 nm

40 dB @1650 nm

Side B: 15 dB

1. Insertion loss with connectors (maximum value, Com to Data).

2. Isolation (minimum value, Com to Data).

Ordering Information

For more information on this or other products and their availability, please

contact your local VIAVI account manager or VIAVI directly at

1-800-498-VIAVI (5378) in North America and +800-5378-VIAVI worldwide or

via e-mail at customer.service@VIAVI.com.

Description Part Number

LGX box with two 1625 nm WDM (SC/APC) E98LGX2W162SA

LGX box with one 1625 nm bypass (SC/APC) E98LGX1BP162SA

LGX box with two 1625 nm filters (SC/APC) E98LGX2F162SA

LGX box with two 1650 nm WDM (SC/APC) E98LGX2W165SA

LGX box with one 1650 nm bypass (SC/APC) E98LGX1BP165SA

LGX box with two 1650 nm filters (SC/APC) E98LGX2F165SA

1RU, 3-slot LGX-compatible rack-mount shelf E98RKLGX103

2RU, 6-slot LGX-compatible rack-mount shelf E98RKLGX206

4RU, 12-slot LGX-compatible rack-mount shelf E98RKLGX412