Edge MTP Tap Module Manuale utente

P/N 003-128

Issue 4

Standard Recommended Procedure 003-128 | Issue 4 | September 2018 | Page 1 of 13

EDGE™ MTP®TAP Module

Installation and Testing

1. General

This procedure describes EDGE™ MTP Tap Modules, which are

available for both multimode and single mode applications.

Compatible with all EDGE rack-mountable connector housings, MTP

Tap modules have three MTP connectors per module, either one front-

mounted and two MTP connectors in the back of the module or two

MTP connectors on the front of the module and one MTP connector in

the back (Figure 1).

The module contains 12 ber optic splitters which divide the incoming optical signals into two outputs, one

for live link trac and one for monitoring. The monitor trac is routed via the “TAP”-labeled MTP port to a

monitoring device which lters the data and sends it to various software tools for analysis, where it is then viewed

in application-layer software for security threats, performance issues, or system optimization.

IMPORTANT: Please note that Tap module systems have two outputs for each input, which may require two power

meters, and depending on the system conguration, possibly require an additional crafts person in

another location when testing.

TPA-6131

TAPLIVE

LIVE

LIVETAP

Figure 1

related literature |

SRP-003-794, EDGE™ Solution

Table of Contents

1. General...................................................................................................1

2. Precautions .............................................................................................. 2

3. Tools and Materials ....................................................................................... 2

4. Connector and Adapter Cleaning .......................................................................... 2

5. The Functionality of the Tap Module Splitters ............................................................... 3

6. Installing EDGE™ MTP Tap Modules ....................................................................... 4

7. Referencing the Test Equipment for an MTP Tap Module ..................................................... 4

8. Testing the Live Portion of the System......................................................................6

9. Testing the Tap Portions of the System ..................................................................... 9

10. Simultaneous Testing of the Live and Tap Portions of an MTP Tap Module ....................................12

Standard Recommended Procedure 003-128 | Issue 4 | September 2018 | Page 2 of 13

2. Precautions

2.1 Laser Precautions

WARNING: DO NOT use magniers in the presence of laser radiation. Diused laser light can cause

eye damage if focused with optical instruments. Should accidental eye exposure to laser light be

suspected, arrange for an eye examination immediately.

2.2 Cable Handling Precautions

CAUTION: Fiber optic cable is sensitive to excessive pulling, bending, and crushing forces. Consult the

cable specication sheet for the cable you are installing. Do not bend the cable more sharply than the

minimum recommended bend radius. Do not apply more pulling force to the cable than specied. Do

not crush the cable or allow it to kink. Doing so may cause damage that can alter the transmission

characteristics of the cable; the cable may have to be replaced.

3. Tools and Materials

The following tools and materials are required for this procedure:

• Two (2) power meters with LC port adapters

• Two (2) LC-LC jumpers

• One (1) SC-LC jumper for the light source

• Three (3) LC-LC single-mode adapters

• Light source with SC port adapter

• At least one MTP to LC harness with Universal Polarity Wiring:

• Multimode module harness (p/n H750512TE8-KW003F)

• Single-mode module harness (p/n H900412GE8-KW003F)

• LC connector and port cleaning tool (p/n CLEANER-PORT-LC)

• MTP Connector and Port Cleaning Tool (p/n 2104466-01)

For multimode applications: Use Reference Grade test jumpers or test jumpers with legacy 50 micron ber:

• Two (2) LC/SC jumpers (p/n 033901S21RF002M)

• Two (2) LC/LC jumpers (p/n 030301S21RF002M)

• Mandrel wrap suitable for testing 50 μm ber (p/n OTS-MANDREL-50)

4. Connector and Adapter Cleaning

4.1 Cleaning the LC adapters with an LC port

cleaner before each mating is recommended (Figure 2).

4.2 The use of an MTP Connector and Port

Cleaning Too l to clean MTP connectors and ports

before each mating is recommended (Figure 3).

HPA-0738

Figure 2

TPA-6113

Figure 3

Standard Recommended Procedure 003-128 | Issue 4 | September 2018 | Page 3 of 13

5. The Functionality of the Tap Module Splitters

Directionality

5.1 In simplest terms, the splitters inside an MTP Tap module act like a divider of a one-way trac ow – in

this case, light.

The module has two Live ports which interface with the network. Each of these ports have twelve bers, of

which six are TX and six are RX ports. In the case of TX bers, these are the input to the splitters with the two

outputs of the splitters going to the other Live port and Tap port as shown in Figure 4.

Figure 4

In the same fashion, the Live port on the front of the modules serves as an input for the six additional splitters.

The output of those splitters route to the Live port in the rear of the module and the Tap port, as shown in

Figure 5).

Figure 5

Tables 2 through 5 in Sections 8 and 9 provide a full representation of the source and output positions.

5.2 Tap modules must be tested with directionality in mind. The source must be always connected to the

input of the splitter and a meter must be connected to at least one of the outputs of the splitter. Connecting

a source to the output of a splitter will result in high attenuation. Likewise, connecting network transmitters

to the output of a splitter can result in damage to the receiver port. Thus, it is important to understand the

polarity of the system before connecting to the network gear.

Wavelength Considerations

5.3 The splitters on multimode modules are optimized for 850 nm VCSEL (Vertical-cavity Surface-emitting

Lasers), thus when testing multimode systems, use only the 850 nm wavelength.

5.4 Single mode systems should be tested at 1310 nm. They may be tested at 1550 nm only when the

electronics being monitored are using ER transceivers (up to 40 KM).

LIVE

LIVE TAP

Live Output (RX) on six of twelve bers

Tap Output (RX) on six of twelve bers

Live source (TX

on six of twelve fibers

TPA-6142

LIVE

LIVE TAP

Live Source (TX) on six of twelve bers

Tap Output (RX) on six of twelve bers

Live Output (RX)

on six of twelve fibers

TPA-6132

Standard Recommended Procedure 003-128 | Issue 4 | September 2018 | Page 4 of 13

6. Installing EDGE™ MTP Tap Modules

EDGE MTP Tap modules are installed just like their normal EDGE module counterparts. Refer to the Installation

chapter in SRP-003-794, EDGE Solution, for complete instructions. This chapter covers module installation,

trouble shooting, and other module-related topics as well.

7. Referencing the Test Equipment for an MTP Tap Module

NOTE: If using Fluke DTX tester, testing live-to-tap-out, use REMOTE END SETUP (FAR END SOURCE).

7.1 Start by powering on the source and meter and allowing a minimum of 5 minutes for them to warm

up and stabilize. This referencing procedure is if both outputs are being tested at the same time as shown in

Figures 16 and 17. If the LIVE and TAP portions of the network will be tested at dierent times, only reference

one source to a meter (7.2, Steps 1-3 and 6-7).

For multimode systems: set the unit to the 850 nm wavelength.

For single mode systems: Set the unit to the operating wavelength of the system, either 1310

or 1550 nm.

To reference the source and two meters:

Step 1: Clean and insert the SC-end of

the SC to LC jumper (Reference Jumper no. 1,

or RJ1) into the output of the light source.

Step 2: Clean and insert the LC end of RJ1 jumper

into the LC port adapter of Meter no. 1 (M1)

(Figure 6).

For multimode only: Wrap the jumper 5 times and

secure it in a 22 mm mandrel with tape (standard 50

µm multimode procedure).

Figure 6

Step 3: Verify that RJ1 and the light source have an acceptable power level at your system’s wavelength(s) and

reference this power to 0.00 dB. See the test equipment manufacturer’s instructions for acceptable

power output of the source.

Step 4: Disconnect and move the meter-end LC of RJ1 to Meter no. 2 (M2) and repeat step 3. Disconnect M2

after this step.

Step 5: Clean and insert the LC end of RJ1 into a single-mode LC adapter.

Step 6: Clean and install an LC to LC

jumper- Reference Jumper

no. 2 (RJ2) into M1 and the LC adapter

(Figure 7).

Figure 7

Light Source

(Tx)

Do NOT

disconnect

HPA-0758

Meter no. 1

(RX)

Meter no. 2

(RX)

0.00

Launch Conditioner for multimode only

Reference

Jumper no.1

RJ1

Do NOT

disconnect

Do NOT

disconnect

HPA-0759

adapter

0.15 dB

multimode only

RJ1 Reference

Jumper no. 2

RJ2

Light

Source

Standard Recommended Procedure 003-128 | Issue 4 | September 2018 | Page 5 of 13

Step 7: Verify that the RJ1/ RJ2 mated pair are acceptable with a loss ≤0.10 dB for multimode and ≤0.20 dB for

single-mode.

Step 8: Disconnect RJ2’s LC connector from the LC adapter and protect it with a clean dust cap until you are

ready to start the system testing.

Step 9: Clean and install an LC to LC

jumper-Reference Jumper

no.3 (RJ3) into M2 and the LC adapter

(Figure 8).

Figure 8

Step 10: Verify that the RJ1/RJ3 mated pair are acceptable with a loss ≤0.10 dB for multimode and ≤0.20 dB for

single-mode.

Step 11: Disconnect RJ1’s LC connector from the LC adapter and protect it with a clean dust cap.

Step 12: Leave the LC adapter on the end of RJ3 for the remainder of this procedure since it will be required for

mating to the TAP port test harness.

7.3 Referencing is now complete.

IMPORTANT: From this step on, do NOT disconnect the connectors on either the Light Source or meter port

adapters.

Do NOT

disconnect

Light Source

HPA-0760

adapter

Dust cap

RJ2

Do NOT

disconnect

0.3 dB

multimode only

RJ 1

RJ3

0.15 dB

Standard Recommended Procedure 003-128 | Issue 4 | September 2018 | Page 6 of 13

8. Testing the Live Portion of the System

8.1 This section describes how to calculate the loss budgets of the LIVE portion of a system using a EDGE

MTP Tap Module and how to test that portion of the system. Note that you will need to calculate one loss

budget for the LIVE system (Figure 9).

Table 1 indicates the system loss values of the system components:

Table 1: System Loss Values

8.2. To calculate the system loss for the LIVE system, add the loss values of the components that are in the

system as illustrated in Figure 9.

Figure 9

Multimode Fiber Single Mode Fiber

OM4

Ultra-bendable

optimized 50µm

(850 nm)

Bend-improved

single-mode

(1310 nm)

Component Loss, max (dB)1Loss, max (dB)1

MTP® mated pair loss 0.35 0.75

LC mated pair loss 0.15 0.25

Splitter 50/50 (dB) 3.7 3.5

Splitter 70/30 (dB) 2.4 / 5.8 2.1 / 5.8

Fiber attenuation 2.8 dB/km 0.4 dB/km

1Insertion loss specifications when mated to other system components of a like

performance specification

Tap Module “A”

TPA-6133

“Near end”

Budget loss for a LIVE multimode system using OM4 fiber and 50 /50 splitters:

0.35

0.35 0.35 0.15

0.15

3.7

50/50

splitter

MTP

mated pair

MTP

mated pair

MTP

mated

pair

0.15 +0.35 +3.7 + 0.35 +0.35 + 0.15 = 5.05 dB + fiber loss

Note: Fiber loss

depends on length

of system

EDGE Module “B”

“Far end”

LC mated

pair

LC mated

pair

PnP Module

Part Number

Serial

MADEIN MEXICO

VOID

Tap port

test harness

TAPLIVE

LIVE

Standard Recommended Procedure 003-128 | Issue 4 | September 2018 | Page 7 of 13

8.3. Table 2 provides a complete guide to the test sequence with a light source at the MTP Tap module “A”

(“Near end”) and a meter at Module “B”, or the “Far end” of the system shown in Figure 10.

Source LC Position at “A” Meter at Module “B” LC Position

A-2 B-1

A-4 B-3

A-6 B-5

A-8 B-7

A-10 B-9

A-12 B-11

Table 2: Test Sequence

8.4 To begin testing the Live Portion of the MTP Tap module (Figure 10):

Step 1: Install the Light Source/RJ1 LC connector adapter on the LC number 2 of a test harness plugged into

the front-mounted LIVE Port of the MTP Tap module.

Step 2: Install RJ2’s LC connector into the number 1 port of the Edge module (Module “B” in Figure 10).

Figure 10

Light

Source

Test harness

RJ2

RJ1 and adapter

Do NOT

disconnect

Do NOT

disconnect

0.00 dB

Pretium EDGE

Module “B”

TPA-6134

multimode only

“Near end”

“Far end”

612

510

PnP Module

Part Number

Serial

MADEIN MEXICO

VOID

MTP Tap Module “A”

Note: Fiber loss

depends on length

of system

LIVE

LIVE TAP

LC #12

LC #1

LC #2

“A”

Standard Recommended Procedure 003-128 | Issue 4 | September 2018 | Page 8 of 13

8.5. Table 3 provides a complete guide to the sequence for testing with the light source at Module “B”, or

the “Far end” and the meter at the MTP Tap module “A” (“Near end”) of the system shown in Figure 11.

Source LC Position at “B” Meter at LC Position at “A”:

B-2 A-1

B-4 A-3

B-6 A-5

B-8 A-7

B-10 A-9

B-12 A-11

Table 3: Testing Sequence

8.6 To begin testing the LIVE Portion of the MTP Tap module in the other direction (Figure 11):

Step 1: Install the Light Source/RJ1 LC connector into LC number 2 port of the Edge module (Module “B” in

Figure 11).

Step 2: Install RJ2’s LC connector adapter on the number 1 LC connector of the harness plugged into the LIVE

Port of the MTP Tap module.

Figure 11

8.7 Note that steps 8.4 and 8.6 can be combined if using an optical test set with both a source and a meter

on one unit. This will test two bers at a time because there will be two sources and meters. It is important that

the source is always plugged into the transmit/even bers and that the meter is plugged into the receive/odd

bers.

LIVE

LIVE TAP

Tap port test harness

RJ1

Do NOT

disconnect

Do NOT

disconnect

0.00 dB

Pretium EDGE

Module “B”

TPA-6135

multimode only

Light

Source

“Near end”

“Far end”

612

510

PnP Module

Part Number

Serial

MADEIN MEXICO

VOID

MTP Tap Module “A”

“A”

Note: Fiber loss

depends on length

of system

LC #12

LC #1

RJ2

and

adapter

Standard Recommended Procedure 003-128 | Issue 4 | September 2018 | Page 9 of 13

9. Testing the Tap Portions of the System

NOTE: Testing of the TAP portions of a system is not required by Corning to obtain the extended warranty. The

testing of the LIVE link conrms the post-installation condition of the of the trunk since the module itself

is factory-tested and is not deployed like a trunk.

9.1 This section describes how to calculate the loss budgets of the TAP portions of a system using a EDGE

MTP Tap Module and how to test that portion of the system. Note that you will need to calculate two loss

budgets for the Tap portion system (Figures 12 and 13).

Table 1 above indicates the system loss values of the system components.

9.2. To calculate the system loss for the TAP system, add the loss values of the components that are in the

system as illustrated in Figures 12 and 13.

Figure 12

Figure 13

Tap Module “A”

TPA-6136

Budget loss for a Tap multimode system using OM4 fiber and 50 /50 splitters:

0.35

0.15

3.7

50/50

splitter

MTP

mated pair

MTP

mated pair

0.15 +0.35 +3.7 + 0.35 + 0.15 = 4.7 dB

LC mated

pair

0.15

LC mated

pair

Tap port

test harness

Tap port

test harness

LIVE

LIVE TAP

Tap Module “A”

TPA-6137

“Near end”

Budget loss for a LIVE multimode system using OM4 fiber and 50 /50 splitters:

0.35

0.35 0.35 0.15

0.15

3.7

50/50

splitter

MTP

mated pair

MTP

mated pair

MTP

mated pair

0.15 +0.35 +3.7 + 0.35 +0.35 + 0.15 = 5.05 dB + fiber loss

Note: Fiber loss

depends on length

of system Pretium EDGE

Module “B”

“Far end”

LC mated

pair

LC mated

pair

PnP Module

Part Number

Serial

MADEIN MEXICO

VOID

Tap port

test harness

LIVE

LIVE TAP

Standard Recommended Procedure 003-128 | Issue 4 | September 2018 | Page 10 of 13

9.3. Table 4 provides a complete guide to the test sequence with a light source and test harness at the front-

mounted TAP MTP connector and a meter and test harness at the front-mounted TAP MTP connector of the

system shown in Figure 14.

Source LC Position at LIVE port test har-

ness “A”

Meter # 1 and TAP port test harness

at LC #

A-2 1

A-4 3

A-6 5

A-8 7

A-10 9

A-12 11

Table 4: Test Sequence

9.4 To begin testing the TAP portion of the MTP Tap module from the “A” LIVE Port harness to the module

TAP port test harness (Figure 14):

Step 1: Install the Light Source/RJ1 LC connector adapter onto the LC number 2 connector of a test harness

plugged into the LIVE port of the MTP Tap module.

Step 2: Install RJ2’s LC connector adapter onto the LC number 1 connector of a harness plugged into the TAP

port of the MTP Tap module.

Figure 14

Tap Module “A”

“A”

TPA-6138

LIVE

port test harness

TAP

port test harness

Light

Source

Do NOT

disconnect

multimode only

LC #12

LC #2

LC #1

Do NOT

disconnect

0.00 dB

RJ2

and

adapter

RJ1

and

adapter

LIVE

LIVE TAP

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