Cisco C3850-NM-4-1G Bedienungsanleitung

Installing a Network Module

•Network Module Overview, page 1

•Installing a Network Module in the Switch, page 7

•Removing a Network Module, page 13

•Installing SFP and SFP+ Modules, page 14

•Removing SFP and SFP+ Modules, page 16

•Finding the Network Module Serial Number, page 16

Network Module Overview

DescriptionNetwork Module1

This module has four 1 G SFP module slots. Any combination of standard SFP

modules are supported. SFP+ modules are not supported.

If you insert an SFP+ module in the 1 G network module, the SFP+ module does

not operate, and the switch logs an error message.

This is supported on the following switch

models:

Note

•WS-C3850-24T/P/U

•WS-C3850-48T/F/P/U

•WS-C3850-12X48U

•WS-C3850-24XU

•WS-C3850-12S

•WS-C3850-24S

C3850-NM-4-1G

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DescriptionNetwork Module1

This module has four slots:

Two slots (left side) support only 1 G SFP modules and two slots (right side)

support either 1 G SFP or 10 G SFP modules.

This is supported on the following switch

models:

Note

•WS-C3850-24T/P/U

•WS-C3850-48T/F/P/U

•WS-C3850-12X48U

•WS-C3850-24XU

•WS-C3850-12S

•WS-C3850-24S

C3850-NM-2-10G

This module has four 10 G slots or four 1 G slots.

This is supported on the following switch

models:

Note

•WS-C3850-48T/F/P/U

•WS-C3850-12X48U

•WS-C3850-24XU

•WS-C3850-12XS

•WS-C3850-24XS

C3850-NM-4-10G

This module has eight 10 G slots with an SFP+ port in each slot. Each port supports

a 1 G or 10 G connection

This is supported on the following switch

models:

Note

•WS-C3850-12X48U

•WS-C3850-24XU

•WS-C3850-24XS

C3850-NM-8-10G

This module has two 40 G slots with a QSFP+ connector in each slot.

This is supported on the following switch

models:

Note

•WS-C3850-12X48U

•WS-C3850-24XU

•WS-C3850-24XS

C3850-NM-2-40G

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Installing a Network Module

Network Module Overview

DescriptionNetwork Module1

Insert this blank module when the switch has no uplink ports (this is required for

sufficient air flow).

C3850-NM-BLANK

1All network modules are hot-swappable.

Figure 1: C3850-NM-4-1G Network Module

LEDs3Captive screws1

1 G Ethernet SFP slots2

Figure 2: C3850-NM-2-10G Network Module

1 G Ethernet SFP slots3Captive screws1

LEDs41 G or 10 G Ethernet SFP+ slots2

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Installing a Network Module

Network Module Overview

Figure 3: C3850-NM-4-10G Network Module

LEDs3Captive screws1

10 G slots or 1 G Ethernet SFP slots2

Figure 4: C3850-NM-8-10G Network Module

LEDs3Captive screw

This network module has only one

screw. You must fasten the screw

completely to secure the module, and

loosen the screw first so that the

module may be removed.

Note

10 G or 1 G SFP+ slots2

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Installing a Network Module

Network Module Overview

Figure 5: C3850-NM-2-40G Network Module

LEDs3Captive screws1

40 G QSFP+ slots2

Figure 6: Blank Network Module

Captive screws2Blank module1

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Installing a Network Module

Network Module Overview

Network Module LEDs

Figure 7: Network Module LEDs

G3 LED3G1 LED1

G4 LED4G2 LED2

Network Module Link StatusColor

Link is off.Off

Link is on; no activity.Green

Activity on a link; no faults.

The LED will blink green even when there is very little control traffic.Note

Blinking green

Link is off due to a fault or because it has exceeded a limit set in the switch software.

Link faults occur when noncompliant cabling is connected to an SFP/SFP+

port. Use only standard-compliant cabling to connect to Cisco SFP/SFP+ ports.

You must remove from the network any cable or device that causes a link fault.

Caution

Blinking amber

Link for the SFP/SFP+ has been disabled.Amber

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Installing a Network Module

Network Module LEDs

Installing a Network Module in the Switch

Safety Warnings

This section includes the installation cautions and warnings. Translations of the safety warnings appear in the

Regulatory Compliance and Safety Information for the Catalyst 3850 Switches on Cisco.com: http://

www.cisco.com/go/cat3850_hw .

Read this section before you install a network module.

Proper ESD protection is required whenever you handle equipment. Installation and maintenance personnel

should be properly grounded by grounding straps to eliminate the risk of ESD damage to the equipment.

Equipment is subject to ESD damage whenever you remove it.

Caution

Only trained and qualified personnel should be allowed to install, replace, or service this equipment.

Statement 1030

Warning

Do not reach into a vacant slot or chassis while you install or remove a module. Exposed circuitry could

constitute an energy hazard. Statement 206

Warning

Equipment That You Need

•Ratcheting torque screwdriver with a number-2 Phillips head that exerts up to 15 pound-force inches

(lbf-in.) of pressure.

•Panduit crimping tool with optional controlled-cycle mechanism (model CT-720, CT-920, CT-920CH,

CT-930, or CT-940CH).

•Wire-stripping tools.

•12-gauge copper ground wire (insulated or not) for the single-hole ground connection.

•8-gauge copper ground wire (insulated or not) for the dual-hole ground connection.

•Dual-hole ground lug and two screws (included in the DC power supply accessory kit) and single-hole

ground lug and screw (included in the switch accessory kit). The dual-hole lug is required for the

grounding of the switch in a NEBS installation where the DC supply is the only NEBS compliant power

supply option.

•Four leads of 14-gauge copper wire.

•Four fork-type terminals from the DC power supply accessory kit. The terminals must be the proper

size for M3 screws in a Dinkle DT-35-B25-style terminal block.

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Installing a Network Module

Installing a Network Module in the Switch

Installing Network Modules

The switch can operate without a network module, but a blank module (with no ports or SFP slots) is

available and should be installed when uplink ports are not required.

Note

The switch generates logs when you insert or remove a network module with SFP slots.Note

Use only supported network modules and SFP or SFP+ modules. Each module has an internal serial EEPROM

that is encoded with security information. For information about supported SFP modules, see SFP and SFP+

Modules.

The network module is hot-swappable. If you remove a module, replace it with another network module or

a blank module.

The switch complies with EMC, safety, and thermal specifications when a network module is present. If

no uplink ports are required, install a blank network module.

Note

Before You Begin

When installing network modules, observe these precautions:

•Do not remove the blank module from the slot unless you are installing an SFP or SFP+ module. Either

a module or a dust plug must be in the slot at all times.

•Do not remove the dust plugs from the fiber-optic SFP modules or the rubber caps from the fiber-optic

cable until you connect the cable. The plugs and caps protect the module ports and cables from

contamination and ambient light.

•Removing and installing a network module can shorten its useful life. Do not remove and insert a network

module more often than is necessary.

•To prevent ESD damage, follow your normal board and component handling procedures when connecting

cables to the switch and other devices.

Procedure

Step 1 Attach an ESD-preventive wrist strap to your wrist and to an earth ground surface.

Step 2 Remove the module from the protective packaging.

Step 3 Remove the blank module from the switch and save it.

Verify the correct orientation of your module before installing it. Incorrect installation can damage

the module.

Caution

Do not install the network module with connected cables or installed SFP modules. Always remove

any cables and modules before you install the network module.

Caution

A module interface might become error-disabled when a network module with connected fiber-optic

cables is installed or removed. If an interface is error-disabled, you can reenable the interface by

using the shutdown and no shutdown interface configuration commands.

Caution

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Installing a Network Module

Installing Network Modules

Step 4 Position the module face up to install it in the module slot. Slide the module into the slot until the back of the

module faceplate is flush with the switch faceplate. Fasten the captive screws to secure the network module

in place.

Figure 8: Installing the Network Module in the Switch

Unlike other network modules, the C3850-NM-8-10G cannot be fully inserted and secured until the

jackscrew is properly tightened.

Note

1Push the module into the uplink slot until the jackscrew connects with the rightmost tab.

2You will feel some light resistance, because a spring-loaded tab inside the slot will push back

against the C3850-NM-8-10G module

3Continue to tighten the jackscrew while gently pushing the front panel of the network module

into the slot.

Network Module Port Configurations

C3850-NM-4-1G Module

All ports in the C3850-NM-4-1G module are natively GigabitEthernet and are configured GigabitEthernet1/1/1

though GigabitEthernet1/1/4. There are only four interfaces that are valid, and the other four should not be

used even though they still show up in the CLI.

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Installing a Network Module

Network Module Port Configurations

Table 1: C3850-NM-4-1G Module

ActionInterface

Configure this interfaceGigabitEthernet1/1/1

Configure this interfaceGigabitEthernet1/1/2

Configure this interfaceGigabitEthernet1/1/3

Configure this interfaceGigabitEthernet1/1/4

DisregardTenGigabitEthernet1/1/1

DisregardTenGigabitEthernet1/1/2

DisregardTenGigabitEthernet1/1/3

DisregardTenGigabitEthernet1/1/4

C3850-NM-4-10G Module

All ports in the C3850-NM-4-10G module default to 10 G and should be configured as TenGigabitEthernet1/1/1

through TenGigabitEthernet1/1/4, even when you are operating them as 1 G using SFPs. Only four interfaces

are valid; the other four should not be used even though they still show up in the CLI.

Table 2: C3850-NM-4-10G Module

ActionInterface

DisregardGigabitEthernet1/1/1

DisregardGigabitEthernet1/1/2

DisregardGigabitEthernet1/1/3

DisregardGigabitEthernet1/1/4

Configure this interfaceTenGigabitEthernet1/1/1

Configure this interfaceTenGigabitEthernet1/1/2

Configure this interfaceTenGigabitEthernet1/1/3

Configure this interfaceTenGigabitEthernet1/1/4

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Installing a Network Module

Network Module Port Configurations

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