Cisco NCS 4201 설치 매뉴얼 - 페이지 25

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Installing the Cisco NCS 4201

See the Cisco NCS 4200 Datasheet for the list of SFP modules that the chassis supports. Each port must match

the wavelength specifications on the other end of the cable. For reliable communications, the cable must not

exceed the stipulated cable length.

Use only Cisco SFP modules on the Cisco chassis. Each SFP module has an internal serial EEPROM that is

encoded with security information. This encoding provides a way for Cisco to identify and validate that the

SFP module meets the requirements for the chassis.

For detailed instructions on installing, removing, and cabling the SFP module, see the SFP module

documentation.

Installing SFP Modules

The figure below shows an SFP module that has a bale-clasp latch.

We strongly recommend that you do not install or remove fiber-optic SFP modules with cables attached

Caution

because of the potential damage to the cables, the cable connector, or the optical interfaces in the SFP

module. Disconnect all cables before removing or installing an SFP module.Removing and installing an

SFP module can shorten its useful life. Do not remove and insert SFP modules more often than is absolutely

necessary.

Figure 18: SFP Module with a Bale-Clasp Latch

To insert an SFP module into the module slot, follow these steps:

Step 1

Attach an ESD-preventive wrist strap to your wrist and to a bare metal surface on the chassis.

Some SFP modules identify the top side of the module with send (TX) and receive (RX) markings or arrows that show

the direction of the connection.

Step 2

If the SFP module that you are using has the markings, use them to identify the top side of the module.

Step 3

Align the SFP module in front of the slot opening.

Step 4

Insert the SFP module into the slot until you feel the connector on the module snap into place in the rear of the slot. See

figure Installing an SFP Module with a Bale-Clasp Latch into an SFP Module Slot on Cisco NCS 4201 for installing

Installing SFP Modules

Cisco NCS 4201 Hardware Installation Guide