Cisco Catalyst C3850 Series

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Table 40: Console Port Signaling with a DB-9 Adapter

Console DeviceRJ-45-to-DB-9 Terminal AdapterSwitch Console Port (DTE)

SignalDB-9 PinSignal

CTS8RTS

DSR6DTR

RxD2TxD

GND5GND

TxD3RxD

DTR4DSR

RTS7CTS

Table 41: Console Port Signaling with a DB-25 Adapter

Console DeviceRJ-45-to-DB-25 Terminal AdapterSwitch Console Port (DTE)

SignalDB-25 PinSignal

CTS5RTS

DSR6DTR

RxD3TxD

GND7GND

TxD2RxD

DTR20DSR

RTS4CTS

Catalyst 3850 Switch Hardware Installation Guide

OL-26779-05124

Connector and Cable Specifications

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Table of Contents2
Preface11
Document Conventions11
Related Documentation13
Obtaining Documentation and Submitting a Service Request13
Product Overview15
Switch Models15
Front Panel20
10/100/1000 Ports22
Poe, Poe+, and Cisco Upoe Ports22
SFP and QSFP Module Slots23
Management Ports23
USB Type a Port24
Network Modules25
SFP and SFP+ Modules27
Leds27
Syst Led30
Xps Led30
UID (Blue Beacon)30
Port Leds and Modes31
STAT (Status)31
DUPLX (Duplex)31
Speed32
Stack32
ACTV (Active)32
USB Console LED33
S-Pwr Led33
Actv Led34
Stack Led34
Poe LED35
Uid/Beacon LED35
Network Module Leds36
Rear Panel36
RJ-45 Console Port LED39
Stackwise Ports39
Power Supply Modules39
Fan Module42
Stackpower Connector44
Ethernet Management Port44
RJ-45 Console Port45
Management Options45
Switch Installation47
Preparing for Installation47
Safety Warnings47
Installation Guidelines49
Box Contents50
Tools and Equipment50
Verifying Switch Operation50
Powering off the Switch50
Planning a Switch Data Stack50
Switch Stacking and Power Stacking Guidelines51
Data Stack Cabling Configurations52
Data Stack Bandwidth and Partitioning Examples52
Power-On Sequence for Switch Stacks53
Planning a Stackpower Stack54
Stackpower Stacking Guidelines54
Stackpower Cabling Configurations55
Stackpower Partitioning Examples56
Installing the Switch57
Rack-Mounting57
Attaching the Rack-Mount Brackets58
Mounting the Switch a Rack60
Installing the Switch on a Table or Shelf61
After Switch Installation61
Connecting to the Stackwise Ports61
Connecting to the Stackpower Ports62
Installing a Network Module in the Switch63
Installing and Removing Cisco Pluggable Transceiver Modules63
Connecting Devices to the Ethernet Ports63
10/100/1000/Multigigabit Ethernet Port Connections63
Auto-MDIX Connections64
Poe+ and Cisco UPOE Port Connections64
Where to Go Next65
Installing a Network Module67
Network Module Overview67
Network Module Leds71
Installing a Network Module in the Switch72
Safety Warnings72
Equipment that You Need73
Installing Network Modules73
Network Module Port Configurations75
C3850-NM-4-1G Module75
C3850-NM-4-10G Module75
C3850-NM-2-10G Module76
C3850-NM-8-10G Module76
C3850-NM-2-40G Module77
Removing a Network Module78
Installing SFP and SFP+ Modules79
Removing Cisco Pluggable Transceiver Modules80
Finding the Network Module Serial Number81
Power Supply Installation83
Power Supply Module Overview83
Installation Guidelines86
Installing or Replacing an AC Power Supply88
Installing a DC Power Supply89
Equipment that You Need90
Grounding the Switch90
Installing the DC Power Supply in the Switch92
Wiring the DC Input Power Source93
Finding the Power Supply Module Serial Number94
Installing the Fan97
Fan Module Overview97
Installation Guidelines98
Installing a Fan Module99
Finding the Fan Module Serial Number100
Configuring the Switch101
Configuring the Switch Using the Web User Interface101
Setting up the Switch101
Connecting to the Switch101
Creating User Accounts105
Choosing Setup Options105
Configuring Basic Device Settings105
Configuring Your Device Based on a Site Profile107
Configuring Switch Wide Settings112
Configuring VLAN Settings112
Configure STP Settings113
Configuring DHCP, NTP, DNS and SNMP Settings113
Configuring Port Settings114
Configuring VTY Lines115
Configuring the Switch Using the CLI116
Accessing the CLI through the Console Port116
Connecting the RJ-45 Console Port116
Connecting the USB Console Port117
Installing the Cisco Microsoft Windows USB Device Driver119
Installing the Cisco Microsoft Windows 7 USB Driver119
Uninstalling the Cisco Microsoft Windows USB Driver120
Uninstalling the Cisco Microsoft Windows 7 USB Driver120
Troubleshooting121
Diagnosing Problems121
Switch POST Results121
Switch Leds121
Switch Connections121
Bad or Damaged Cable121
Ethernet and Fiber-Optic Cables122
Link Status122
10/100/1000 Port Connections122
10/100/1000 Poe+ Port Connections122
SFP and SFP+ Module123
Interface Settings123
Ping End Device123
Spanning Tree Loops123
Switch Performance124
Speed, Duplex, and Autonegotiation124
Autonegotiation and Network Interface Cards124
Cabling Distance124
Clearing the Switch IP Address and Configuration124
Replacing a Failed Data Stack Member125
Technical Specifications127
Environmental and Physical Specifications127
Specifications for the Power Supplies, Switches, and Fan129
Connector and Cable Specifications133
Connector Specifications133
10/100/1000 Ports (Including Poe)133
SFP Module Connectors133
Console Port134
Cables and Adapters135
Stackwise Cables135
Transceiver Module Network Cables135

Cisco Catalyst C3850 Series - Page 138

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