Ciena CN 3960 Assembly instructions

Ciena®Confidential and Proprietary
Hardware Installation Manual
MAN-0143-001- Revision A
March 20, 2009
Copyright Ciena®Corporation
CN 3960®
Service Delivery Switch

CN 3960® Hardware Installation Guide MAN-0143-001-Revision A
Copyright Ciena®Corporation March 20, 2009
LEGAL NOTICES
THIS DOCUMENT CONTAINS CONFIDENTIAL AND TRADE SECRET INFORMATION OF CIENA CORPORATION
AND ITS RECEIPT OR POSSESSION DOES NOT CONVEY ANY RIGHTS TO REPRODUCE OR DISCLOSE ITS
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IS SUBJECT TO CHANGE.
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Unpublished All Rights Reserved
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Contacting Ciena
For additional office locations and phone numbers, please visit the Ciena web site at www.ciena.com.
Corporate Headquarters 410-694-5700 or 800-921-1144 www.ciena.com
Customer Technical Support/Warranty
In North America 1-800-CIENA24 (243-6224)
410-865-4961 E-mail: CIENA2[email protected]
In Europe, Middle East,
and Africa 800-CIENA-24-7 (800-243-6224-7) [phone] E-mail: CIE[email protected]
In Asia-Pacific 800-CIENA-24-7 (800-243-6224-7)
[phone] E-mail: CIENA2[email protected]
Sales and General Information 410-694-5700 E-mail: [e-mail]
In North America 410-694-5700 or 800-207-3714 E-mail: [e-mail]
In Europe [phone] (UK) E-mail: [e-mail]
In Asia [phone] (Japan) E-mail: [e-mail]
In Latin America 011-5255-1719-0220 (Mexico City) E-mail: [e-mail]
Training and Documentation
Training 877-CIENA-TD (243-6283)
or 410-865-8996 E-mail: [e-mail]
Documentation 877-CIENA-TD (243-6283)
or 410-694-8125 E-mail: [e-mail]

CN 3960 Hardware Installation Guide iii
Table of Contents
About This Guide. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Introduction to this Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Intended Audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Document Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Symbols. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Important Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Translation of Warnings and Cautions . . . . . . . . . . . . . . . . . . . . . . . . . 2
Related Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Chapter 1: Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Hardware Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Chassis Size and Installation Options . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Power Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Resets. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Environmental Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Default Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Local Management Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
LOG Server. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Port Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
VLANs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Software Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
SNMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Device Manager. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
DHCP/TFTP-Auto Configuration and Recovery. . . . . . . . . . . . . . . . . . . .17
RADIUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Four-Group RMON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
VLAN Management. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Prioritization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
IGMP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Link Aggregation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Orderable Part Number Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Chapter 2: Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Package Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Required tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Important Safety Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Installing the Device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Rack Installation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Installing Supplemental Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

iv CN 3960 Hardware Installation Guide
Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Restraining the Power Cord. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Installing an AC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Removing an AC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Installing a DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Removing a DC Power Supply. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
XFP / SFP Transceivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Installing a Pluggable Optic. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Removing a Pluggable Optic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Interface Cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Connecting Cables to the CN 3960 . . . . . . . . . . . . . . . . . . . . . . . . . . .35
Initial Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Appendix A: LED Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Unit Status LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
10 Gigabit Ethernet Port LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
10/100/1000 Mbps Port LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Local Management Port LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
Appendix B: Technical Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Appendix C: Regulatory Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Canada . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
CE Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
EU Declaration of Conformity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
FCC Statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
Appendix D: Translation of Warnings and Cautions . . . . . . . . . . . . . . . . . . 49
French . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49
German . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50
Translations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50
Appendix E: Service and Support. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
Internet Site . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
E-mail Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
Telephone and Fax. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62
Glossary

CN 3960 Hardware Installation Guide 1
• • • • • •
About This Guide
At a Glance:
Introduction to this Guide
This Hardware Installation Guide is designed to help network technicians and system administrators
install the CN 3960 Service Delivery Switch (Ciena part/model number 170-3960-900) from Ciena
Corporation.
NOTE: Trade names, model numbers and product numbers may overlap. For example,
the trade name CN 3960, model number 170-3960-900 and part number 170-3960-900
refer to the same product.
Intended Audience
This publication is intended for users, such as network technicians and system administrators, who will
install these devices into a services distribution infrastructure. It assumes that the intended users possess
basic knowledge of, but not limited to:
• Proper Hardware Installation
• Proper Hardware Diagnostics
• Ethernet Concepts
• IEEE Standards
• Open Systems Interconnection (OSI) Seven Layer Model
• Local Area Networks (LAN)
• Virtual Local Area Networks (VLAN)
WARNING: This equipment is to be installed and maintained by qualified service
personnel only. Before you work on any equipment, be aware of the hazards involved with
electrical circuitry and be familiar with standard practices for preventing accidents.
• Introduction to this Guide
• Document Conventions

2 CN 3960 Hardware Installation Guide
Document Conventions
This section describes content, style, and usage conventions that outline specific categories of
information throughout this Hardware Installation Guide.
Symbols
Symbols denote text that requires special attention. The information contained alongside a symbol
corresponds to one of three levels:
WARNING: This symbol is used to highlight information so the user can avoid personal
injury.
CAUTION: This symbol is used to highlight information so the user can avoid equipment
damage or data loss.
NOTE: This symbol is used to highlight additional information.
Important Safety Information
WARNING: This equipment is to be installed in a Restricted Access Location (RAL) and
maintained by qualified service personnel only.
Translation of Warnings and Cautions
As an additional safety measure, the warnings and cautions presented in this document have been
translated. See Appendix D, “Translation of Warnings and Cautions” on page 49 for the
translated warnings.
Related Documentation
??? Need to fill in a list of all related documentation including:
• Ethernet Services Management (ESM) docs
• Service Aware Operation System (SAOS) docs
• Alarm docs

CN 3960 Hardware Installation Guide 3
1
Chapter
• • • • • •
Overview
At a Glance :
Introduction
The Ciena Service Delivery Switch (SDS) product family provides Ethernet connectivity to
buildings and residences to deliver high-speed voice, video, and data connectivity. SDS
devices are designed to lower the overall cost of building out a fiber network.
The CN 3960 SDS is a next-generation high-capacity 10 Gigabit Ethernet SDS that can be
deployed in Central Offices (CO), customer premises (CPE) and other environmentally
controlled telecommunications spaces. The CN 3960 is part of a family of SDS units
designed to address the connectivity requirements of different sites and services. In
addition, Ciena offers SDS units designed for both outside plant and interior applications.
Table 1-1 provides an overview.
The SDS units are designed to work with other products in the Ciena family to deliver
complete, integrated service offerings from a single provider or multiple providers. The
SDS devices incorporate advanced QoS capabilities, flexibility through pluggable optics,
superior multicast control, manageability, and a small form factor chassis to present the
industry’s leading fiber-to-the-building solution.
• Introduction
• Hardware Overview
• Default Configuration
• Software Overview
• Orderable Part Number Summary
Table 1-1: Service Delivery Switch Product Summary
Model Form Factor Network Ports Subscriber Ports Power Temp Range
LE-311v 1 RU 4 x Gigabit 24 x 10M/100M Dual rear pluggable AC or DC 0C to +50C
CN 3911 Hardened NID 2 x 100M/Gigabit 8x 100M/Gigabit Indoor AC Brick, Outdoor DC
UAM or AC UAM -40C to +65C
CN 3920 1 RU, ETSI 4 x 100M/Gigabit 8x 100M/Gigabit Front fixed AC 0C to +50C
CN 3940 1 RU 4 x 100M/Gigabit 20 x 100M/Gigabit Dual rear pluggable AC or DC 0C to +50C
CN 3960 1 RU 4 x 10 Gigabit 8 x 10M/100M/Gigabit Dual rear pluggable AC or DC 0C to +50C
CN 5140 2 RU, ETSI 4 x 100M/Gigabit 20 x 100M/Gigabit Dual front fixed DC -40C to +65C

4 CN 3960 Hardware Installation Guide
O VERVIEW
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Hardware Overview
The CN 3960 (Ciena part number 170-3960-900) is a high capacity 10 Gigabit Ethernet SDS.
Both AC and DC power options are available. The redundant power supplies are hot
swappable and field replaceable and are accessed from the rear of the chassis.
The product is designed so that all the user and management interfaces are located on
the front of the chassis. Table 1-2 provides a quick overview of the interfaces available
on the CN 3960.
WARNING: The CN 3960 is intended for indoor applications only. All electrical connections
are indoor. Subscriber ports on the CN 3960 are intended for interconnection within the
provider’s network only. However, connection to multiple providers’ networks (or the
PSTN) can be achieved using other solutions that are available within the Ciena
Corporation family of products.
The front panel of the chassis also provides status LEDs for the CN 3960 unit, and all the
ports. See Figure 1-1 for more information.
Table 1-2: CN 3960 Interface Summary
Port type Number
of ports Description
NNI / UNI 4 10 Gigabit Ethernet ports with XFP connectors. The 10 Gigabit ports can
be used as either NNI or UNI ports. Two of the ports support enhanced
features.
UNI 8 10/100/1000 Mbps subscriber ports with dual connectors (SFP and
RJ-45). The SFPs support both 100 Mbps and 1000 Mbps speeds. Only
Ciena approved SFP/XFPs can be used with the CN 3960. For more
information see the Interfaces section on page 12.
Console 1 Serial EIA-232 (DB-9) port for out-of-band management.
Management 1 10/100/1000 copper port (RJ-45) for out-of-band management
Note: All ports can be active at the same time.

CN 3960 Hardware Installation Guide 5
O VERVIEW
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1
Figure 1-1: Front of CN 3960
This section includes the following:
• Chassis Size and Installation Options
• Power Options
• Resets
• Environmental Control
• Grounding
• Interfaces
Chassis Size and Installation Options
The chassis of the CN 3960 occupies 1 rack unit (RU) of a standard 19-inch equipment
frame, allowing up to 42 devices in a single frame. The chassis has the following
dimensions:
• Width: 44.45 cm (17.5 inches)
• Depth: 36.83 cm (14.5 inches)
• Height: 4.44 cm (1.75 inches)
The chassis is designed so that the power cabling is located on the rear of the chassis.
While all the interface cabling is located on the faceplate of the chassis.
NOTE: To provide sufficient clearance for cabling, Ciena recommends that an additional
7.62 cm (3 inches) of space be available to the front and rear of the chassis. This
clearance also assists with providing proper airflow for thermal management.
NOTE: This unit has been designed and tested for installation in areas prone to
earthquakes (zone 4). To ensure proper operation it must be installed in a proper frame.
1
2
3
4
5
6
7
8
CONSOLE
MGMT
1
1
1
1
2
9
0
POWER
STATUS
ALARMTEMP
AB
RESET
POWERSUPPLY
Mgmt
Console
Port Port
10/100/1000 Mbps
UNI Ports 10 Gigabit
NNI / UNI
Ports
Status
LEDs

6 CN 3960 Hardware Installation Guide
O VERVIEW
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Mounting Brackets
The following mounting brackets are available:
• 19-inch frame (this bracket is part of the CN 3960 kit)
• 23-inch frame
• ETSI frame
To obtain the orderable part numbers for the optional brackets See Table 1-10 , on page
19.
There are three threaded holes on the side of the chassis. You attach the mounting
brackets using two of the three holes. The CN 3960 can be mounted in either front or
mid-mount position.
The orientation of the bracket, and the choice of mounting holes used, dictates the final
placement of the unit within the frame. The following placement options are available:
• Front Mount (using the front two holes) — unit is flush with the front of the frame
• Front Mount (using the back two holes) — unit is 46 mm (1.8 inches) in front of the
frame
• Mid-mount (using the front two holes) — unit is 81 mm (3.2 inches) in front of the frame
• Mid-mount (using the back two holes — unit is 127 mm (5 inches) in front of the frame
Figure 1-2: Side of CN 3960 with Mounting Bracket Installation Options

CN 3960 Hardware Installation Guide 7
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1
Power Options
The CN 3960 has redundant power supplies which are accessed from the rear of the
chassis. The power supplies are available in both AC and DC. Because the power to the
unit is redundant, the power supplies are hot swappable and field replaceable. During
power supply replacement, the remaining power supply will compensate to maintain
uninterrupted system operation.
Table 1-3 provides a summary of the available power options:
When only one power supply is to be installed, it should be located in the bay labelled
PS A. When facing the back of the unit, PS A will be the left bay. See Figure 1-3 . The
second power supply bay must be covered with a filler plate. The filler plate is necessary
for safety and to ensure proper airflow within the CN 3960.
Figure 1-3: Rear of CN 3960
When two power supplies are installed, the power supplies provide system power
simultaneously (load sharing).
WARNING: In configurations with two AC power supplies, each power supply must be
connected to a separate input circuit.
Table 1-3: Power Supply Options
Module Part number Power range Power usage Breaker
AC Power Supply 170-0100-901 100 to 240 VAC, 50/60 Hz,
3.0 - 2.4 A 171 Watts 15 Amps
DC Power Supply
170-0101-901 -48 to 60 VDC, 4.0 A 173 Watts 5 Amps
Note: When two power supplies are installed, use power supplies of the same type. Do not combine AC and DC
power supplies in the same installation. This is an untested configuration and is not supported.
PS A
PS B
Fans
Grounding Screws

8 CN 3960 Hardware Installation Guide
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Power Status LEDs
The status of the power supplies is visible on the faceplate of the CN 3960. There are
three LEDs relating to power status:
• PS A
• PS B
• POWER
The details of these LEDs is provided in the Unit Status LEDs section on page 40.
NOTE: The system cannot distinguish between a faulty and an unpowered supply. As a
result, if redundant power supplies are installed, but only one supply is connected to a
power source, the unpowered supply will cause the system to report an alarm state. This
alarm will be cleared when the power supply is properly initialized.
Power Supply Fan
Each power supply includes a built-in fan to ensure adequate cooling of the power supply.
These fans are separate from the fans built-into the chassis. To maintain adequate
cooling, the power supply and system fans need to be kept clear of obstructions.
Power Supply Failure
If the power supply fan should fail or another problem occurs with the power supply, an
alarm is raised and an SNMP trap is sent. If the power supply has been disabled, an LED
indication will also occur showing the defective power supply is off. After a problem has
been identified the power supply should be immediately replaced. See
Chapter 2, Installation , on page 21 for the procedures to remove a power supply and
install a new unit.
Power Cord
For each CN 3960 device with redundant power supplies you will need two power cords.
The exact specifications of the cord required will vary depending on:
• AC or DC power supply
• local power codes — for example, the configuration of the plug that is attached to the
power source will vary for each region around the world. You need to obtain the
correct power cord to meet your local requirements.
WARNING: All AC power cords must meet the requirements of the local and national
electric codes prior to installation.
Ciena offers the following AC power cables for the CN 3960:
• AC Power Cord, IEC C13, Europe
• AC Power Cord, IEC C13, North America
• AC Power Cord, IEC C13, United Kingdom
• AC Power Cord, C13, Universal

CN 3960 Hardware Installation Guide 9
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1
Dying Gasp
The CN 3960 supports dying gasp functionality. In the event of a power failure, the
CN 3960 sends a dying gasp notification to the network. The notification also contains a
syslog entry (if syslog is enabled).
NOTE: When the system is powered by redundant power supplies, a dying gasp message
will only be sent if both power supplies lose power.
Possible causes of a dying gasp signal include:
• power failure in the power source
• disconnection of the AC or DC power source
Resets
The CN 3960 has a reset button. To avoid accidentally triggering the reset button, it is
recessed behind the faceplate. You will need a straightened paper clip or similar small
tool to depress the reset button. The reset button is located to the left of the
management port on the far right of the chassis. Figure 1-4 shows the location of the
reset button.
Figure 1-4: Location of Reset Button
There are two different types of hard resets available:
• Quick reset, which is accomplished by depressing the reset button for less than three
seconds. A quick reset reboots the system and retains the current configuration.
• Hard reset, which is accomplished by depressing the reset button for three seconds or
more continuously. A hard reset erases the current configuration and restores the unit
to the factory default settings. See the the Default Configuration section on page 16
for more information about the factory default settings.
NOTE: It is also possible to initiate soft resets of the system through the local console
port, local management port, or the management VLAN. Instructions for initiating a soft
reset are included in the System Software Configuration Guide .
Reset Button

10 CN 3960 Hardware Installation Guide
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Environmental Control
The CN 3960 is designed for interior, non-hardened installations and supports the
following environmental range:
• 0C to +50C operating ambient temperature up to an altitude of 3000 m
• -40C to +70C storage temperature
• 5% to 95% non-condensing humidity
NOTE: For installations between 3000 and 4000 m the maximum operating ambient
temperature is +40C.
Extreme Temperature Conditions
In accordance with NEBS level 3 specifications, the CN 3960 is capable of operating for
short periods of time (not more than 96 consecutive hours and a total of not more than
15 days in 1 year) at -5 C to +55C.
The CN 3960 has internal temperature sensors that monitor the temperature within the
unit. The software supports alarms, traps and logs at user configurable temperature
thresholds.
When temperatures exceed the maximum operating temperature, an automatic over
temperature shutdown is initiated to protect the CN 3960 from damage. When the
temperature returns to the supported operating temperature range, the unit will
automatically restart and resume service.
Fans and Airflow
The CN 3960 has three fans to provide adequate air flow. The fans draw air from the front
of the unit and exhaust out the rear. The 7.62 cm (3 inch) installation clearance at the
front and back of the unit assists with air flow by ensuring that the vents of the unit are
not blocked.
When only one power supply is installed in the CN 3960, the second power supply bay
must be covered with a filler plate. The filler plate is necessary to ensure proper airflow
within the CN 3960. The unit is initially supplied with a filler plate. If it is misplaced, a
replacement can be ordered from Ciena.
In addition, the AC and DC power supplies have built-in fans to ensure adequate cooling
of the power supply. To maintain adequate cooling, the power supply and system fans
need to be kept clear of obstructions.
Fan Failure
If a fan failure occurs, an alarm is raised and an SNMP trap is sent. When a fan fails in the
CN 3960, then all three fans in the unit should be replaced. Replacing the fans is a service
impacting repair since the unit must be taken completely offline and returned to Ciena
for repair.

CN 3960 Hardware Installation Guide 11
O VERVIEW
H ARDWARE O VERVIEW
1
Grounding
The CN 3960 is connected to ground at the power supplies and the chassis.
Power supply grounding
The safety ground connection is provided by the AC power cord or by the grounding
terminal on the DC power supply. Further details are provided in:
• the Installing an AC Power Supply section on page 27
• the Installing a DC Power Supply section on page 29
WARNING: The AC version relies on the AC power cord for the Safety Ground. The outlet
providing power to the CN 3960 must meet the Local and National Safety codes.
WARNING: The DC version relies on the connector at the back of the power supply to
provide Safety Ground. This grounding connection must be properly attached when the
CN 3960 is installed.
Supplemental ground
There are two holes and screws located on the left side of the back of the chassis for
connecting a grounding lug to the chassis. See the Installing Supplemental Ground
section on page 25 for a procedure.
The grounding screws are provided and are located on the far left of the rear of the
chassis. See Figure 1-3: Rear of CN 3960 , on page 7 for the location of the grounding
screws.
You are required to provide the grounding lug and grounding wire. The following
description indicates the required specifications:
• #6 AWG (minimum) wire
• 2 hole lug @ 5/8” centers and with hole size for #10 or 1/4” screw
The ground source should be connected in accordance with local and national regulations
and safety guidelines, and the grounding procedures used by your company.
The DC resistance between the chassis and the supplemental ground source should be
verified to be less than 25 milliohms.

12 CN 3960 Hardware Installation Guide
O VERVIEW
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Interfaces
All interfaces on the CN 3960 are accessible from the faceplate of the unit. With the
exception of the EIA-232 Console port, all the interfaces have integrated LEDs which
provide status information for the port.
Figure 1-1 , on page 5 shows the faceplate of the unit and identifies the locations of the
different ports. More detailed LED information is provided in the LED Overview section
in Appendix A, on page 39.
This section will provide an overview of the functionality of each type of port available
on the CN 3960 including:
• 10 Gigabit Ethernet Ports
• 10/100/1000 Mbps Ports
• Local Management Port
• Console Port
10 Gigabit Ethernet Ports
The CN 3960 has four 10 Gigabit Ethernet ports which can be configured as either NNI or
UNI ports. Two of the 10 Gigabit Ethernet ports support enhanced features. That
functionality is controlled by the software provisioning and is not described in this
manual. For provisioning information see < insert xref to the software doc >.
The 10 Gigabit Ethernet ports use XFP optical transceivers. Compliant optics can be
plugged in to change the external interface of the port, thus providing a mix of possible
distances and media types. These ports also include integrated status LEDs. The XFPs are
hot-swappable.
Unsupported optics will generate an LED indication and will not function. See Table 1-4
for a list of supported XFPs.
Table 1-4: Supported XFP Optics
Part number Speed Mode Distance Wavelength Fiber
XCVR-000Z85 10GBASE-SX Multimode 300 m 850 nm Dual
XCVR -010V31 10GBASE-LX Single Mode 10 Km 1310 nm Dual
XCVR-040V55 10GBASE-EX Single Mode 40 Km 1550 nm Dual
XCVR-080V55 10GBASE-ZX Single Mode 80 Km 1550 nm Dual
Note: All XFP optics use LC connectors.

CN 3960 Hardware Installation Guide 13
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1
10/100/1000 Mbps Ports
The CN 3960 supports eight dual connector Gigabit Ethernet UNI subscriber ports. Each
port is available as either:
• an RJ-45 copper port supporting 10/100/1000 Mbps operation with auto-negotiation of
speed and duplex as well as auto-MDIX. These RJ-45 ports are GR-1089 Type 4 ports and
are intended for indoor use only. These ports are fully compliant with the IEEE 802.3u
Fast Ethernet standard.
• an SFP port supporting both 100/1000 Mbps operation. The SFPs are hot-swappable.
These ports operate in full duplex mode, and conform to the IEEE 802.3z Gigabit
Ethernet standard. See Table 1-5 , Table 1-6 and Table 1-7 for a list of supported SFPs.
The ports are automatically activated when an RJ-45 cable or and SFP transceiver is
plugged into the port. When both an RJ-45 and an SFP transceiver are installed, the SFP
will become the active port. If the SFP is removed, the RJ-45 becomes active.
Both the RJ-45 and SFP ports also include integrated status LEDs.
Unsupported optics will generate an LED indication and will not function. The list of
supported SFPs is included in the following tables:
• Table 1-5: Supported SFP Optics - Dual Fiber , on page 13
• Table 1-6: Supported SFP Optics - Single Bidirectional Fiber , on page 13
• Table 1-7: Supported SFP Optics - CWDM , on page 14
Table 1-5: Supported SFP Optics - Dual Fiber
Part number Speed Mode Distance Wavelength
XCVR-000G85 1000BASE-SX Multimode 550 m 850 nm
XCVR-010M31 1000BASE-LX Single Mode 10 km 1310 nm
XCVR-020M31 1000BASE-LX Single Mode 20 km 1310 nm
XCVR-040M31 1000BASE-LX Single Mode 40 km 1310 nm
Note: All SFP optics use LC connectors.
Table 1-6: Supported SFP Optics - Single Bidirectional Fiber
Part number Speed Mode Distance Wavelength
XCVR-010U31 1000BASE-BX-U Single Mode 10 km 1490 nm Rx / 1310 nm Tx
XCVR-010U49 1000BASE-BX-D Single Mode 10 km 1310 nm RX / 1490 nm Tx
XCVR-040R31 100BASE-BX10-U Single Mode 40 km 1550 nm Rx / 1310 nm Tx
XCVR-040R55 100BASE-BX10-D Single Mode 40 km 1310 nm Rx / 1550 nm Tx
Note: All SFP optics use LC connectors.
Note: The bidirectional optics work as pairs. The optics XCVR-010U31 and XCVR-010U49 must be
used together. The optics XCVR-040R31 and XCVR-040R55 must be used together.

14 CN 3960 Hardware Installation Guide
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H ARDWARE O VERVIEW
Local Management Port
The CN 3960 includes one 10/100/1000 Mbps port for out-of-band management. This port
is located on the right of the faceplate and is labeled MGMT. This port uses an RJ-45
connector and is fully compliant with the IEEE 802.3z Gigabit Ethernet standard.
The management port uses auto-MDIX to negotiate connection speed and this port can be
used to attach a PC directly to the device, or it can be connected to the network for
management. A straight through or a crossover cable can be used to connect to this port.
This port also includes integrated status LEDs. This port is intended for indoor use only.
Table 1-7: Supported SFP Optics - CWDM
Part number Speed Mode Distance Wavelength
XCVR-080D43 1000BASE-CWDM CWDM 80 km 1430 nm
XCVR-080D45 1000BASE-CWDM CWDM 80 km 1450 nm
XCVR-080D47 1000BASE-CWDM CWDM 80 km 1470 nm
XCVR-080D49 1000BASE-CWDM CWDM 80 km 1490 nm
XCVR-080D51 1000BASE-CWDM CWDM 80 km 1510 nm
XCVR-080D53 1000BASE-CWDM CWDM 80 km 1530 nm
XCVR-080D55 1000BASE-CWDM CWDM 80 km 1550 nm
XCVR-080D57 1000BASE-CWDM CWDM 80 km 1570 nm
XCVR-080D59 1000BASE-CWDM CWDM 80 km 1590 nm
XCVR-080D61 1000BASE-CWDM CWDM 80 km 1610 nm
XCVR-100D43 1000BASE-CWDM CWDM 100 km 1430 nm
XCVR-100D45 1000BASE-CWDM CWDM 100 km 1450 nm
XCVR-100D47 1000BASE-CWDM CWDM 100 km 1470 nm
XCVR-100D49 1000BASE-CWDM CWDM 100 km 1490 nm
XCVR-100D51 1000BASE-CWDM CWDM 100 km 1510 nm
XCVR-100D53 1000BASE-CWDM CWDM 100 km 1530 nm
XCVR-100D55 1000BASE-CWDM CWDM 100 km 1550 nm
XCVR-100D57 1000BASE-CWDM CWDM 100 km 1570 nm
XCVR-100D59 1000BASE-CWDM CWDM 100 km 1590 nm
XCVR-100D61 1000BASE-CWDM CWDM 100 km 1610 nm
Note: All SFP optics use LC connectors.

CN 3960 Hardware Installation Guide 15
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1
Console Port
The CN 3960 includes one external serial console port for EIA-232 communication. This
port is located on the right of the faceplate and is labeled EIA-232 Console. The console
port can be used to attach a terminal or a PC to the device for out-of-band management.
The EIA-232 port connector uses a standard DB-9 connector that follows standard DTE
wiring pin assignment. A null modem cable should be used to connect a PC (DTE) to the
device console port. The EIA-232 console port pinout is provided in Table 1-8 .
Table 1-8: Console Port Pin
Assignments (DB-9)
Pin # Lead
1 Not Connected
2 Receive
3Transmit
4 Not Connected
5 Ground
6 Not Connected
7 Not Connected
8 Not Connected
9 Not Connected

16 CN 3960 Hardware Installation Guide
O VERVIEW
D EFAULT C ONFIGURATION
Default Configuration
If the CN 3960 does not have an operational configuration, the default configuration will
be used.
Local Management Port
The local management port has the following default settings:
• IP address: 172.16.233.214
• Subnet mask: 255.255.255.0
• Default gateway: 0.0.0.0
Since the local management port uses auto MDIX, when connecting a PC directly to the
local management port, a straight through or crossover cable can be used.
LOG Server
The LOG server is used to archive the system logs from the node. The LOG server has the
following default settings:
• IP address: 172.16.233.1
• Port: 50001
• Default gateway: 172.16.233.1
Port Settings
The Gigabit Ethernet ports are set to auto-negotiate by default.
VLANs
Table 1-9 summarizes the default VLAN configuration. When the CN 3960 is first
activated, all ports assigned as members to these VLANs.
Table 1-9: Default VLAN Configuration
VLAN Description
1 Default Data VLAN
127 Default Management VLAN