Procedure 14-4: Perform connection and verification of optical facility

- Overview

Use this procedure to connect and verify an OC-N/STM-N optical facility.

- Privilege level

You must log in as a Privileged, General, Maintenance, or Reports Only user to complete this procedure.

Required equipment

In addition to the equipment listed in Required equipment, the following equipment is also required:

  • Lightguide Jumpers

  • Lightguide Buildouts (LBOs).

LC-type lightguide buildouts

The following lightguide buildouts are required for attenuating the optical ports.

Product Code

Comcode

Loss (dB)

Fiber Type

Color

ABLCS-05.0

108279381

5

SM

Yellow

ABLCS-10.0

108279431

10

SM

Yellow

ABLCS-15.0

108279480

15

SM

Yellow

ABLCS-20.0

108279530

20

SM

Yellow

Single-mode lightguide jumpers

The following single-mode lightguide angled boot jumpers are available for connecting the optical ports to the optical span.

Product Code

Comcode

Length (ft.)

Connectors

MS1A40LC-A40LC-2

108918269

2

LC-LC

MS1A40LC-A40LC-4

108918707

4

LC-LC

MS1A40LC-A40LC-E/W

108918715

Customer Specified

LC-LC

MS1A40LC-LC-2

108918830

2

LC-LC

MS1A40LC-LC-4

108918855

4

LC-LC

MS1A40LC-LC-6

108918863

6

LC-LC

MS1A40LC-LC-8

108918871

8

LC-LC

MS1A40LC-LC-10

108918889

10

LC-LC

MS1A40LC-LC-15

108918897

15

LC-LC

MS1A40LC-LC-20

108918913

20

LC-LC

MS1A40LC-LC-25

108918921

25

LC-LC

MS1A40LC-LC-30

108918939

30

LC-LC

MS1A40LC-LC-35

108918947

35

LC-LC

MS1A40LC-LC-40

108918962

40

LC-LC

MS1A40LC-LC-50

108918970

50

LC-LC

MS1A40LC-LC-E/W

108918988

Customer Specified

LC-LC

MS1A40LC-SC-2

108919002

2

LC-SC

MS1A40LC-SC-4

108919010

4

LC-SC

MS1A40LC-SC-6

108919028

6

LC-SC

MS1A40LC-SC-8

108919036

8

LC-SC

MS1A40LC-SC-10

108919044

10

LC-SC

MS1A40LC-SC-15

108919051

15

LC-SC

MS1A40LC-SC-20

108919069

20

LC-SC

MS1A40LC-SC-25

108919077

25

LC-SC

MS1A40LC-SC-30

108919085

30

LC-SC

MS1A40LC-SC-35

108919093

35

LC-SC

MS1A40LC-SC-40

108919101

40

LC-SC

MS1A40LC-SC-50

108919119

50

LC-SC

MS1A40LC-SC-E/W

108919996

Customer Specified

LC-SC

MS1A40LC-FC-2

108918723

2

LC-FC

MS1A40LC-FC-4

108918731

4

LC-FC

MS1A40LC-FC-6

108918749

6

LC-FC

MS1A40LC-FC-8

108918756

8

LC-FC

MS1A40LC-FC-10

108918764

10

LC-FC

MS1A40LC-FC-15

108918772

15

LC-FC

MS1A40LC-FC-20

108918780

20

LC-FC

MS1A40LC-FC-25

108918798

25

LC-FC

MS1A40LC-FC-30

108918806

30

LC-FC

MS1A40LC-FC-35

108918814

35

LC-FC

MS1A40LC-FC-40

108918822

40

LC-FC

MS1A40LC-FC-50

108918848

50

LC-FC

MS1A40LC-FC-E/W

108918905

Customer Specified

LC-FC

MS1A40LC-EP-2

108919713

2

LC-ST

MS1A40LC-EP-4

108919721

4

LC-ST

MS1A40LC-EP-6

108919739

6

LC-ST

MS1A40LC-EP-8

108919747

8

LC-ST

MS1A40LC-EP-10

108919754

10

LC-ST

MS1A40LC-EP-15

108919770

15

LC-ST

MS1A40LC-EP-20

108919788

20

LC-ST

MS1A40LC-EP-25

108919796

25

LC-ST

MS1A40LC-EP-30

108919804

30

LC-ST

MS1A40LC-EP-35

108919812

35

LC-ST

MS1A40LC-EP-40

108919820

40

LC-ST

MS1A40LC-EP-50

108919838

50

LC-ST

MS1A40LC-EP-E/W

108919846

Customer Specified

LC-ST

Important!

The single-mode angled boot lightguide jumpers used to connect the optical ports must be equipped with LC connectors.

Allowable optical receiver power ranges

The following information is required to determine the required LBO for the OC-N/STM-N lines.

Optics

Circuit Pack

Allowable Receiver Range (dBm)

Long Reach (LR) Optics

OM155 1.3LR1(L-1.1)

-10.0 to -34.0

OM622 1.3LR1(L-4.1)

-8.0 to -28.0

OM622 1.5LR2(L-4.2)

-8.0 to -28.0

Intermediate Reach (IR) Optics

OM155 1.3IR1(S-1.1)

-8.0 to -28.0

OM622 1.3IR1(S-4.1)

-8.0 to -28.0

Short Reach (SR) Optics

OM155 1.3SR1(I.1)

-8.0 to -23.0

Important!

Avoid excessive bending of the optical jumper used to loop the optical port on itself.

- Before you begin

Prior to performing this procedure:

  1. Refer to Before you begin in this chapter.

  2. Refer to Laser safety and Electrostatic discharge in Chapter 1, Safety.

  3. Verify that the correct lightguide buildouts and jumpers are available.

  4. Ensure all optical fiber connectors and couplings have been properly cleaned. Signal performance may be degraded and the fiber interface surfaces damaged if the connections and couplings are not cleaned properly.

    Procedure 14-3: Clean optical fibers, dual LC adapters and LC lightguide buildouts (LBOs)

  5. Ensure that technicians are available at both ends of the optical span(s).

  6. Obtain the work instructions for this procedure.

Steps

Complete the following steps to connect and verify an OC-N/STM-N optical facility.

 
1

At the near-end Alcatel-Lucent 1850 TSS-5, connect personal computer and establish WaveStar® CIT session.

Reference:

Procedure 14-2: Connect personal computer (PC) and establish WaveStar® CIT session

2

Dress optical cables in the fiber tray at bottom front of the shelf.

3

Route the optical jumpers from the bottom of the shelf. See Single-mode lightguide jumpers.

4

Establish communication with technician at other end of the optical span.

5

At both ends of the optical span, remove protective covers from receive and transmit optical jumper cables and clean LC connectors.

Important!

The Alcatel-Lucent 1850 TSS-5 circuit packs require single-mode lightguide cable. Single-mode optical fibers connecting this shelf with the far-end shelf should not be connected to the circuit pack until at least 45 seconds after an optical loopback is removed. It may take from 15 seconds to 3.5 minutes for the circuit pack FAULT LED and port LED associated with the pluggable transmission module to stop flashing after the cables are connected, depending on the setting of the OC-N/STM-N signal degrade threshold.

Reference:

Procedure 14-3: Clean optical fibers, dual LC adapters and LC lightguide buildouts (LBOs)

6

At both ends of the optical span, ensure that only the dual LC adapter is installed on the circuit pack (no LBOs).

7

Important!

Optical connections should be made in the following sequence to speed up the detection of looped-back or crossed-over cables/jumpers.

At Node 1 of the optical span, connect the optical fiber transmit cables to the circuit pack OUT connectors.

8

Have you determined the value of the LBOs for this span?

If...

Then...

Yes

Proceed to Step 10.

No

Continue with Step 9.

9

At Node 2 of the optical span, measure the optical power of the optical fiber receive cable using an optical power meter.

For the allowable receiver power ranges, refer to the Allowable optical receiver power ranges in this procedure. Select the appropriate LBO to build out to the middle of the range.

10

Install the LBO assembly at the circuit pack IN connector of Node 2.

Reference:

Procedure 14-5: Install/remove LC lightguide buildouts (LBOs)

11

At Node 2, connect the input optical fiber to the proper circuit pack IN connector and LBO.

Result:

It may take from 15 seconds to 3.5 minutes for the circuit pack FAULT LED and port LED associated with the pluggable transmission module to stop flashing after the cables are connected, depending on the setting of the OC-N/STM-N signal degrade threshold.

12

Did the flashing circuit pack FAULT LED and port LED associated with the pluggable transmission module go off at Node 2?

If...

Then...

No

Click the Alarm List button to obtain the NE Alarm List. Refer to the Alcatel-Lucent 1850 Transport Service Switch (TSS-5) Maintenance and Trouble-Clearing Guide to clear/isolate the trouble.

Yes

Continue with Step 13.

13

At Node 2 of the optical span, connect the optical fiber transmit cables to the circuit pack OUT connector.

14

Have you determined the value of the LBOs for this span?

If...

Then...

Yes

Proceed to Step 16.

No

Continue with Step 15.

15

At Node 1 of the optical span, measure the optical power of the optical fiber receive cable using an optical power meter.

For the allowable receiver power ranges, refer to the Allowable optical receiver power ranges in this procedure. Select the appropriate LBO to build-out to the middle of the range.

16

Install the LBO assembly at the circuit pack IN connector of Node 1.

Reference:

Procedure 14-5: Install/remove LC lightguide buildouts (LBOs)

17

At Node 1, connect the input optical fiber to the proper circuit pack IN connector and LBO.

Result:

It may take from 15 seconds to 3.5 minutes for the circuit pack FAULT LED and port LED associated with the pluggable transmission module to stop flashing after the cables are connected, depending on the setting of the OC-N/STM-N signal degrade threshold.

18

Did the flashing circuit pack FAULT LED or port LED associated with the pluggable transmission module go off at Node 1?

If...

Then...

No

Click the Alarm List button to obtain the NE Alarm List. Refer to the Alcatel-Lucent 1850 Transport Service Switch (TSS-5) Maintenance and Trouble-Clearing Guide to clear/isolate the trouble.

Yes

Continue with Step 19.

19

Disconnect the fiber cable from the OUT connector on the circuit pack at one end of the span. At the other end, verify that the associated circuit pack FAULT LED and port LED associated with the pluggable transmission module are flashing, indicating a loss of signal. Reconnect the fiber and repeat the process for the other direction of transmission.

20

Select Administration → OSI Routing Map and Administration → OSI Neighbor Maps to retrieve maps of the network. Verify that nodes have been connected properly and that they can communicate with each other.

21

After all connections and tests have been made, verify optical fiber cables are placed correctly in fiber tray and properly routed in bay framework.

End of steps

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