Cisco C3850-NM-4-1G User Manual

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 Module
1
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
Catalyst 3850 Switch Hardware Installation Guide
OL-26779-05 1

Cisco C3850-NM-4-1G Specifications

General

Brand	Cisco
Model	C3850-NM-4-1G
Category	Control Unit
Language	English

Summary

Network Module Overview

C3850-NM-4-1G Module

Details the C3850-NM-4-1G module, its four 1G SFP slots, and supported switch models.

C3850-NM-2-10G Module

Describes the C3850-NM-2-10G module with two 1G and two 10G SFP slots.

C3850-NM-4-10G Module

Explains the C3850-NM-4-10G module supporting four 10G or 1G slots.

C3850-NM-8-10G Module

Details the C3850-NM-8-10G module with eight 10G SFP+ ports for 1G or 10G connections.

C3850-NM-2-40G Module

Covers the C3850-NM-2-40G module featuring two 40G QSFP+ slots.

Blank Network Module

Describes the C3850-NM-BLANK module for airflow when no uplink ports are installed.

Network Module LEDs

Explains the status and link status indicators for network module ports (G1-G4 LEDs).

Installing a Network Module in the Switch

Safety Warnings and Precautions

Covers essential cautions for ESD protection and handling during installation.

Required Equipment

Lists the tools and materials needed for installing a network module.

Installation Procedure

Step-by-step guide for attaching ESD straps, handling modules, and inserting them.

Removing a Network Module

Removal Procedure

Step-by-step instructions for disconnecting cables, removing SFPs, and ejecting the module.

Installing SFP and SFP+ Modules

SFP/SFP+ Installation Guidelines

Covers module compatibility, precautions for handling SFPs, and ESD prevention.

SFP/SFP+ Installation Procedure

Step-by-step guide for inserting SFP modules into the network module slots.

Removing SFP and SFP+ Modules

SFP/SFP+ Removal Procedure

Step-by-step instructions for disconnecting cables and removing SFP/SFP+ modules.

Finding the Network Module Serial Number

Serial Number Location

Illustrates the physical location of the serial number label on the network module.