Ericsson ECN330, ECN320 User Manual
ECN330 and ECN320 User Guide
ECN330 and ECN320 User Guide
.
Copyright
© Ericsson AB - 2005 All Rights Reserved
Disclaimer
No part of this document may be reproduced in any form without the written
permission of the copyright owner.
The contents of this document are subject to revision without notice due to
continued progress in methodology, design and manufacturing. Ericsson shall
have no liability for any error or damage of any kind resulting from the use of
this document.
Legal Notice
The Linux Core system is the operating system for the Ethernet Node Controller in ECN. The Linux distribution for ECN is based on standard open source
packages widely used in the Linux community. Please refer to the Third Party
License Agreements for the license terms.
Trademark List
Windows®
Windows NT®
Solaris®
Windows is a registered trademark of Microsoft
Corporation
Windows NT is a registered trademark of Microsoft
Corporation
Solaris is a registered trademark of Sun Microsystems, Inc.
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ii
.
Contents
1 Introduction to this Guide 1
1.1 Conventions 1
1.2 Revision History 2
1.2.1 This Revision 2
1.2.2 Version G 2
1.2.3 Version F 2
1.2.4 Version E 3
1.2.5 Version D 3
1.2.6 Version C 3
1.2.7 Version B 4
1.2.8 Version A 4
2 Introduction to the ECN 5
2.1 Topology of the EAN 6
2.2 Management of EAN 8
3 ECN Functions, Features and HW 9
3.1 Switching Unit Architecture and Features 10
3.1.1 Connections 10
3.1.2 Performance 11
3.1.3 PoE Ports 12
3.1.4 1000BASE-T RJ-45 and SFP Ports 13
3.2 Reserved VLANs, Interfaces and Ports Designation 15
3.3 LEDs User Interface 16
3.4 Power Supply Input Connector 18
3.5 Fan Tray 18
4 Maintenance 20
4.1 Replacing ECN 20
4.2 Replacing a Fuse 20
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4.3 Replacing a Fan Tray 21
5 Management Features Overview 23
5.1 Ethernet Access Node Alarms 24
5.2 Startup Failure 24
5.3 System Log 25
6 Description of the EAN 26
6.1 EAN in the Network 27
6.1.1 EAN Topologies 29
6.2 Line and Node Identification 34
6.3 Installation 38
7 Initial Configuration and Commissioning 39
7.1 The ECN Local Craft Tool 40
7.2 Installation of Software 40
8 Management from PEM 42
8.1 Discovering an EAN 42
8.1.1 Prerequisites 42
9 Web interface 43
9.1 Entering the Web Interface 43
9.2 System 43
9.3 Status 45
9.4 Configuration 51
9.5 Log 53
9.6 Test 55
10 Factory Defaults 57
11 Command Line Interface 58
11.1 Using the Console Connector 59
11.2 Using Telnet 60
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11.2.1 Running the ECN as an Switch 61
11.2.1.1 ECN330 Switch 61
11.2.1.2 ECN320/ESN310 Switch 62
11.2.2 Adding Switch Extensions to an EAN 63
11.2.2.1 ECN330 Switch Connected to an ECN 64
11.2.2.2 ECN320/ESN310 Switch Connected to an ECN 65
11.2.3 Adding more Switches to an EAN 66
11.3 Entering Commands 68
11.3.1 Keywords and Arguments 68
11.3.2 Minimum Abbreviation 68
11.3.3 Command Completion 69
11.3.4 Getting Help on Commands 69
11.3.5 Partial Keyword Lookup 70
11.3.6 Using Command History 70
11.3.7 Command Execution 70
11.3.8 Scripts 70
11.3.9 Special Commands 70
11.3.10 CLI Editing Keystrokes 71
11.4 Overview of CLI Commands 72
11.5 General Commands 73
11.5.1 end 73
11.5.2 exit 74
11.5.3 ping 74
11.5.4 rcli 75
11.5.5 restart 76
11.6 config 77
11.6.1 copy-dslport 78
11.6.2 dslport 78
11.6.2.1 alarm-thresholds 79
11.6.2.2 alarms 81
11.6.2.3 channel 81
11.6.2.4 line 83
11.6.2.5 performance-data 86
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11.6.2.6 PVC commands 87
11.6.2.7 transmission-mode 97
11.6.3 ecn 98
11.6.3.1 inventory 99
11.6.3.2 link-aggregation 100
11.6.3.3 port 101
11.6.3.4 redundancy 107
11.6.3.5 spanning-tree 108
11.6.3.6 unmanaged-switch 115
11.6.3.7 ip 116
11.6.3.8 switch-extension 117
11.6.3.9 auto-rediscover 120
11.6.4 edn 121
11.6.4.1 link-configuration 121
11.6.5 esn 122
11.6.5.1 link-aggregation 122
11.6.5.2 port 123
11.6.5.3 spanning-tree 124
11.6.5.4 power-on-uplink 124
11.6.6 exn 125
11.6.6.1 line 126
11.6.6.2 packet-distribution 127
11.6.6.3 line-type 127
11.6.7 load-configuration 128
11.6.8 reset-dslports 129
11.6.9 save-configuration 130
11.6.10 system 130
11.6.10.1 aaa 131
11.6.10.2 backup-configuration 132
11.6.10.3 calendar 133
11.6.10.4 cli-autologout 133
11.6.10.5 install 134
11.6.10.6 interface 135
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11.6.10.7 local-management 137
11.6.10.8 ntp 138
11.6.10.9 password 140
11.6.10.10 pem-management 140
11.6.10.11 prompt 141
11.6.10.12 radius-server 142
11.6.10.13 restore-configuration 143
11.6.10.14 service-vlan 144
11.6.10.15 show 145
11.6.10.16 turn 146
11.6.10.17 update 147
11.6.10.18 vlan-unaware 147
11.7 led-test 149
11.7.1 led-test 149
11.8 show 150
11.8.1 dslport 150
11.8.2 ecn 151
11.8.3 edn 152
11.8.4 exn 152
11.8.5 esn 153
11.8.6 system 155
11.9 Fallback State CLI Commands 156
11.9.1 Commands 156
11.9.1.1 calendar 157
11.9.1.2 exit 157
11.9.1.3 interface 157
11.9.1.4 restart 157
11.9.1.5 update 158
11.9.1.6 show 158
11.9.1.7 clear 159
11.9.1.8 ping 160
12 Using a MIB Browser 161
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13 Troubleshooting 166
13.1 Diagnose Switch Indicators 166
13.2 Power and Cooling Problems 167
13.3 Embedded Nodes 167
13.4 CLI 168
14 Specifications and Technical Details 169
15 Programs Packages under the GNU Public License Terms 170
15.1 Kernel 170
15.2 Applications 171
15.3 Libraries 171
Glossary 172
Index 176
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1 Introduction to this Guide
This guide describes the EDA Ethernet Controller Node ECN and is valid
for both the ECN330 and the ECN320. The term ECN refer to ECN320 and
ECN330. The term ECN switch refer to ECN320 and ECN330 in switch
mode. The term ECN320/ESN310 switch refer to ECN320 in switch mode.
When an ECN is illustrated in a figure, an ECN330 with an uplink port 27 is
used. The appearance of the ECN320 is the same just without this uplink
port.
The guide describes the concept, the hardware and the functionality. Furthermore, it provides an overview of software features, and detailed information on how to use the Command Line Interface (CLI) to configure the
ECN.
Introduction to this Guide
The guide is intended for both installation personnel and system administrators responsible for operating and maintaining network equipment.
The reader should have a basic knowledge of general switch functionality,
the Internet Protocol (IP), and Simple Network Management Protocol
(SNMP) in order to understand and utilize the information in the sections
describing the Command Line Interface (CLI) and management.
The guide does not attempt to give a complete explanation of the various
standards, but rather the implementation of the standards in the ECN. For a
more information of the standards, please refer to the standard specifications.
In order to fully understand the function and use of the ECN, it is recommended to read the System Overview and PEM User Guide.
The guide can be printed on a monochrome printer, but illustrations are
easier to understand if a color printer is used.
1.1 Conventions
The following conventions apply for textual instructions (not screen dumps):
ToolsÆOptions Means: Choose the Tools menu item, choose the Op-
tions menu item.
OK : A button in a GUI.
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Introduction to this Guide
Bold monospace letters mark text typed by the user (input) in Command Line Interface (CLI).
Regular monospace letters mark text output in CLI.
<ServerIP> is a parameter (argument) that should be replaced with the
actual value (for example, the IP address of a server). The <> symbols
must not be typed.
[argument] the brackets indicate that this argument is optional and can be
omitted. If used, the brackets must not be typed.
{argument1|argument2} means that either argument1 or argument 2
can be used as a value for this parameter.
1.2 Revision History
This guide is valid for EDA 2.2 RA1. Other product version, with functions
not described in this guide may be available.
1.2.1 This Revision
The Command Line Interface (CLI) is updated to reflect the command
structure.
1.2.2 Version G
The following changes were made:
• Minor textual connection added
• Added a section of how to run the ECN as a switch
1.2.3 Version F
The following has been changed:
• The EAN topologies have been revised. The ECN now supports the
FE-E1/T1 converter EXN104 and the ELN220 as embedded nodes.
• The ECN also supports daisy chaining of the optical switch ELN220
and the electrical switch ESN310.
• The ECN supports flexible service access.
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• The CLI commands have been revised and new commands have been
added in order to support the new topologies (embedded nodes, and
daisy chaining).
• Support of reverting an ECN to an ESN310 and back again.
1.2.4 Version E
The following has been changed:
• Support of ELN220 in an EAN is described
• Support of unaware VLAN in ECN from CLI is described
• Support of ECN auto completion on parameter added
Introduction to this Guide
• Change of password through the CLI added
• Correction of the CLI command link-configuration
• Minor corrections of illustrations
1.2.5 Version D
The following has been changed:
• Correction to the CLI command: link-configuration
• Minor textual corrections to sections 2, and 3.
• The section describing installation and upgrading of software has been
revised and moved.
• The sections have been slightly rearranged.
1.2.6 Version C
The following has been changed:
• The ECN has been supplied with dual power input ports
• The rear of the ECN has been supplied with two 20A fuses, one for
each power input
• The ECN has been supplied with an uplink 100 Base-FX option
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Introduction to this Guide
• The web interface has been changed with new layout
• New CLI structure and layout
• New CLI commands have been added
1.2.7 Version B
The following has been changed:
• Upgrading SW description is moved to ECN330 Installation Guide or
ECN320 Installation Guide.
• Replacing ECN added
• Service VLANs are supported and configured by PEM
• No special attention should be paid when connecting ESN108
1.2.8 Version A
The first version of the guide.
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2 Introduction to the ECN
The ECN is composed of two main components: The Ethernet Node Con-
troller (ENC), and a 24 ports Ethernet switch with Power over Ethernet
(PoE) capabilities. The Ethernet Controller Node (ECN) is a unit that controls and aggregates other EDA nodes (embedded nodes). Together, the
ECN and the embedded nodes constitute a logical node – the Ethernet Access Node (EAN). The EAN is managed as a single node.
The EAN can be configured in several ways depending on the type and
number of the embedded nodes connected to the ECN.
The following EDA nodes can be used as embedded nodes (for further detail refer to section
6 on page 26):
Introduction to the ECN
• IP DSLAMs (EDN110 and EDN312)
• ESN108 switch,
• Optical ELN220 switch
• EXN104 FE to E1/T1 converter
• ESN310
• ECN320/ESN310 switch
• ECN330 switch
Other 3
rd
party unmanaged switches can also be used in the EAN, but the
following sections primarily focus on the EAN with the EDA nodes listed
above.
The software in the ECN contains the EDA Management Proxy (EMP). The
means that there is no dependency on the Access Domain Server during
start-up or restart. The EAN is completely autonomous and self-sustained,
as the Access Domain Server functions are hosted by the ECN, see
1 on page
6.
Figure
The EAN can be managed without PEM using the Command Line Interface
of the ECN. This is described later in this guide.
All embedded elements are Plug and Play, with automatic registration in
PEM. The EAN elements may be placed in one cabinet, appearing physically as a single node, or distributed in different sites on different locations.
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Introduction to the ECN
For Information about the ECN330-switch refer to ECN330-switch User’s
Guide. For Information about the ECN320/ESN310 switch refer to ECN320
User Guide
2.1 Topology of the EAN
Depending on how the topology of the EAN is designed, based on the
nodes described above, the supported number of end-users may vary.
Below in
Figure 1 on page 6 an example of how the topology of an EAN
can be designed is shown with IP DSLAMs connected either directly to the
ECN or through the 8-port switch ESN108.
Fully extended with ESN108 switches on all 24 ports of the ECN and eight
12-ports IP DSLAMs on all ports of the ESN108 will enable the EAN to
support 2304 end-users.
Another realization of the EAN is the EDN288, which is a pre-cabled solution, delivered in a subrack. The EDN288 contains one ECN with the 12line IP DSLAM (EDN312) connected to all 24 ports, and thus supports 288
end-users. For a more detailed description of this specific EAN please see
the EDN288 User Guide and the EDN288 Installation Guide.
PEM
Ethernet Acce ss Node
ECN
FTP
Ethernet
Management
Proxy
DHCP
TFTP
SNTP
Alarm
ConfigSW
ESN108
(optional)
EDNXXX
Towards
broadband
backbone
Figure 1 The EAN with ESN108 and IP DSLAMs
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Introduction to the ECN
The EAN topology is described in more details in section 6.1 on page 27,
where examples using the ELN220 optical switch, the ESN310 switch and
the EXN104 FE to E1 converter are discussed.
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Introduction to the ECN
2.2 Management of EAN
The EAN can be installed and configured for site verification without connection to PEM.
During normal operation, if the connection from PEM to the EAN is lost,
traffic to and from the end-users will continue, and it will only be possible to
change the end-user parameters as for example the line speed. The EAN
will continue to run in local mode, which means that the ECN starts acting
as a stand-alone Domain Server using the last valid configuration and SW
in order to continue operation.
If any configuration changes (for the EAN) are made in PEM while the EAN
is not reachable, the EAN will have to be synchronized manually from PEM
when the connection is restored.
The Command Line Interface (CLI) of the ECN makes it possible to run the
EAN without connection to PEM, that is, use the CLI for management, configuration and for DSL line provisioning. For full management configuration
PEM must be used.
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ECN Functions, Features and HW
3 ECN Functions, Features and HW
The following sections describe the ECN functions, features and hardware.
The ECN is used as the first and second level aggregation switch in the
EDA network, while also supplying directly connected IP DSLAMs with DC
power over the Ethernet connections.
As well as its Power-over-Ethernet capabilities, the ECN provides comprehensive network management features, such as multicast switching, virtual
LANs, and Layer 2 Quality of Services (QoS), which provide reliability and
consistent performance for network traffic.
front and rear panels of the ECN (ECN330).
Figure 2 on page 9 shows the
Figure 2 ECN330 Front and Rear Panels
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ECN Functions, Features and HW
3.1 Switching Unit Architecture and Features
The ECN employs a wire-speed, non-blocking switching fabric.
This permits simultaneous wire-speed transport of multiple packets at low
latency on all ports. The ECN also features full-duplex capability on all
ports, which effectively doubles the bandwidth of each connection.
Auto-negotiation is used to select the optimal transmission speed and
communication mode for each connection. With store-and-forward switching and flow control, maximum data integrity is always maintained, even
when the loading is heavy.
3.1.1 Connections
The ECN includes two uplink combo 1000BASE-T/SFP ports on the front
panel. Optional slide-in SFP transceivers can provide 100 Mpbs (100BASEFX) and 1000 Mbps (1000BASE-SX, 1000BASE-LX, 1000BASE-LH) fiber
links to remote devices. This is utilized in the ELN220 scenario described in
the introduction of this guide.
The ECN330 also contains one independent 1000BASE-T RJ45 port (Port
27) that operates at 10 Mbps or 100 Mbps, half or full duplex, or at 1000
Mbps, full duplex.
The ECN has 24 10BASE-T/100BASE-TX RJ-45 ports. The features of the
ports are summarized below:
• 24 dual-speed ports for 10 or 100 Mbps Ethernet connections, with
support for automatic MDI/MDI-X. All 10/100 RJ-45 ports support
Power-over-Ethernet (PoE)
• Two Gigabit combo ports—use either 10/100/1000BASE-T RJ-45 or
Small Form Factor Pluggable (SFP) transceiver slot (100 Mbps and
1000 Mbps)
• One independent 10/100/1000BASE-T Gigabit Ethernet port
• Auto-negotiation enables each RJ-45 port to automatically select the
optimum communication mode (half or full duplex) for the attached device
• Unshielded (UTP) cable supported on all RJ-45 ports: Category 3 or
better for 10 Mbps connections, Category 5 or better for 100 Mbps
connections, and Category 5, 5e, or 6 for 1000 Mbps connections
• IEEE 802.3u, IEEE 802.3z, and IEEE 802.3ab compliant
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3.1.2 Performance
• Transparent bridging – The ECN supports IEEE 802.1D transparent
bridging. The address table facilitates data switching by learning addresses, and then filtering or forwarding traffic based on this information. The address table supports up to 8K and 16K addresses
(ECN320/ECN330).
• Store-and-Forward Switching – The ECN copies each frame into its
memory before forwarding them to another port. This ensures that all
frames have a standard Ethernet size and have been verified for accuracy with the cyclic redundancy check (CRC), thus preventing bad
frames from entering the network and wasting bandwidth. To avoid
dropping frames on congested ports, the ECN provides 32 Mbytes for
frame buffering. This buffer can queue packets awaiting transmission
on congested networks.
ECN Functions, Features and HW
• Aggregate bandwidth up to 8.8 Gbps for ECN320 and 10.8 GBPS for
ECN330.
• Packet capacity 8.9 Mpps (million packets per second)
• Filtering and forwarding at line speed
• Broadcast storm control - Broadcast suppression prevents broadcast
traffic from overwhelming the network. When enabled on a port, the
level of broadcast traffic passing through the port is restricted. If broadcast traffic rises above a predefined threshold, it will be throttled down
until the level falls back beneath the threshold.
• The ECN supports up to 4094/250 (ECN330/ECN320) tagged Service
VLANs (VLANs used for End-user traffic) based on the IEEE 802.1Q
standard. Service VLANs can be assigned using CLI and PEM. Assigning a VLAN from the CLI configures the VLAN on all ports.
• Quality of Service (QoS) supports four levels of priority. The ECN prioritizes each packet based on the required level of service, using four priority queues with strict priority and using IEEE 802.1p and 802.1Q tags
to prioritize incoming traffic. These functions can be used to provide independent priorities for delay-sensitive data and best-effort data.
• Multicast Switching based on IGMP Snooping
• Link redundancy supported by utilizing Rapid Spanning Tree (RSTP).
• Link aggregation by utilizing LACP
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ECN Functions, Features and HW
3.1.3 PoE Ports
All of the 24 10BASE-T/100BASE-TX RJ-45 ports support PoE capability
and can supply up to 23.1 W of power to connected EDA nodes.
The PoE enables DC power to be supplied to the connected nodes through
the Ethernet cable. IP DSLAMs attached to a port can directly draw power
from the ECN over the Ethernet cable without requiring a separate power
source. The ECN automatically detects an EDA node by its authenticated
PoE signature and senses its required load before turning on DC power to
the port. An electrical port of ESN108 (which is also a PoE node) can also
be connected to the ECN. The sense circuit in both nodes (ECN and
ESN108) will sense that no power is required. This detection mechanism
also prevents damage to other network equipment that is not an EDA node.
The ECN delivers power to the IP DSLAM using the two wire pairs in UTP
or STP CAT 5 cable that are not used for 10BASE-T/100BASE-TX connections (for details see ECN330-switch User’s Guide). Each line is individually
controlled with an auto-detect circuit that opens up if a load within the EDAspecified range is detected, and shuts down if the load exceeds the limit of
23.1 W. Each line is filtered for surge currents and has a 4 ms backup reservoir, should short voltage dropouts occur.
The ECN can provide up to 600 mA continuously on each 10/100 Mbps
port, or up to 23.1 W of power. However, taking into account some power
loss over the cable, the amount of power that can be delivered to an EDA
node is about 21 W. If a device draws more than 625 mA from a port, an
overload condition occurs and the port turns off the power.
These ports also support automatic MDI/MDI-X operation, so straightthrough cables can be used for all network connections to PCs or servers,
or to other switches or hubs.
The ports also support auto-negotiation, so the optimal transmission mode
(half or full duplex), and data rate (10 or 100 Mbps) can be selected automatically, if this feature is also supported by the attached device. If a device
connected to one of these ports does not support auto-negotiation, the correct speed will be sensed by the port, but the transmission mode will by default be half duplex. Each port also supports auto-negotiation of flow control, so the ECN can automatically prevent port buffers from becoming saturated.
The ECN controls the power and data on a port independently. Power can
be requested from a device that already has a data link to the ECN. In addition, the ECN can supply power to a device even if the port’s data connection has been disabled. The power on a port is continuously monitored by
the ECN and it will be turned off as soon as a device connection is removed
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3.1.4 1000BASE-T RJ-45 and SFP Ports
There are two combo Gigabit RJ-45 ports with shared Small Form Factor
Pluggable (SFP) transceiver slots. If an SFP transceiver is installed (refer to
the ECN330 Installation Guide or ECN320 Installation guide) in a slot and
has a valid link on the port, the associated RJ-45 port is disabled.
The 10/100/1000BASE-T RJ-45 ports support automatic MDI/MDI-X operation, so straight-through cables can be used for all network connections to
PCs or servers, or to other switches or hubs.
Note: The 10/100/1000BASE-T RJ-45 ports do not support PoE capabil-
ity.
SFP is a new specification for compact, modular transceivers that are hot
swappable. The SFP slots support 100BASE-FX and 1000BASE-SX,
1000BASE-LX, or 1000BASE-LH transceivers for fiber optic connections to
remote devices.
ECN Functions, Features and HW
The ECN330 also contains one independent 1000BASE-T RJ45 port (Port
27) that operates at 10 Mbps or 100 Mbps, half or full duplex, or at 1000
Mbps, full duplex. Because all of the Gigabit RJ45 ports support automatic
MDI/MDI-X operation, straight-through cables can be used for all network
connections to PCs or servers, or to other switches or hubs.
Each single-mode fiber optic port requires 9/125 micron single-mode fiber
optic cabling with an optical connector. Each multimode fiber optic port requires 50/ 125 or 62.5/125 micron multimode fiber optic cabling with an optical connector.
Warning!
This ECN uses lasers to transmit signals over fiber optic cable. The lasers
are compliant with the requirements of a Class 1 Laser Product and are
inherently eye safe in normal operation. However, never look directly at a
transmission port when it is powered on.
To connect a fiber to the SFP:
1. Check that the fiber terminators are clean. Wiping them gently with a
clean tissue or cotton ball moistened with a little ethanol can clean Cable plugs. Dirty fiber terminators on fiber optic cables will impair the
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13
ECN Functions, Features and HW
quality of the light transmitted through the cable and lead to degraded
performance on the port.
2. Connect one end of the cable to the optical port on the ECN and the
other end to the optical port on the other device. Since optical connectors are keyed, the cable can be attached in only one orientation.
LC fiber
connector
Figure 3 Making Optical Port Connections
3. As a connection is made, check the LED on the ECN’s front panel for
the corresponding module to be sure that the connection is valid.
Note: SFP transceivers are hot-swappable. The ECN does not need to
be powered off before installing or removing a transceiver. However, always first disconnect the network cable before removing a
transceiver.
14 1553-CNH 160 0787 Uen PA2 2005-09-23
ECN Functions, Features and HW
3.2 Reserved VLANs, Interfaces and Ports Designation
Since the ECN acts as a Network Address Translator (NAT) for management traffic connecting and hiding the embedded nodes from the Access
Domain Management, different interfaces (each interface is configured independently) are utilized:
Internal Interface – This interface is the gateway for the embedded nodes.
It has an internal IP Address of the ECN, and uses the internal management VLAN.
• External Interface – This interface represents the EAN to the outside
network. It has the IP Address of the ECN, and uses the management
VLAN used in the EDA network.
• Internal Interface Untagged – This interface is used to enable Dy-
namic Management VLAN (DMV). This feature ensures that embedded
nodes will be automatically reconfigured if their configured management VLAN is not the same as the internal VLAN in the EAN (for example if an IP DSLAM that was connected directly to the EDA network
using VLAN id 246, is connected as an embedded node using VLAN id
247). For more information about the DMV, refer the Management
VLAN Configuration Guide. Note that the ECN does not have to be
configured for the DMV. It automatically supports the DMV for all embedded nodes.
There are two types of ports in the ECN: Uplink ports (ECN320: 25 and 26,
ECN330: 25,26 and 27) and Downlink ports (1 – 24):
• Uplink ports are automatically configured with the External manage-
ment VLAN id (default 246). Any untagged traffic entering an uplink
port is tagged with VLAN id 1 and discarded, since the data will not be
forwarded to any port.
• Downlink ports are configured automatically with the Internal man-
agement VLAN id (default 247). Any untagged traffic entering a
downlink port is tagged with the Untagged VLAN id (default 248). The
embedded nodes can use untagged frames to get information about
the used management VLAN.
Apart from the mentioned VLANs, the EAN also uses VLAN id 4093 internally.
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ECN Functions, Features and HW
3.3 LEDs User Interface
The unit also includes a display panel for key system and port indications
that simplify installation and network troubleshooting. The LEDs, which are
located on the front panel for easy viewing, are shown in
16 and described in Table 1 on page 17.
Figure 4 on page
Figure 4 System and Port Status LEDs
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ECN Functions, Features and HW
Table 1 System and Port Status LEDs
LED Condition Status
System Status
On Green The unit’s internal power supply is operating normally. PWR
Off The unit has no power connected.
DIAG
On Green The system diagnostic test has completed successfully.
Flashing
Green
On Red The system diagnostic test has detected a fault in the
On Red One or both cooling fans have failed. FAN
Off The unit’s cooling fans are operating normally.
CTRL
Flashing
Green (fast)
On Green ENC in normal operation
On Red Error in ENC (Fallback state and when booting)
Off ENC not present
10/100 Mbps Ports
1 ~24
(Link/Activity)
On or Flash-
ing Green
Flashing
Red
The system diagnostic test is in progress.
Switching unit.
ENC self test and boot in progress
(during start)
Port has established a valid 10 or 100 Mbps network
connection. Flashing indicates activity.
Port has detected a power overload or short circuit and
has shut down the power on the port.
Off There is no valid link on the port.
100/1000 Mbps Combo Ports
25, 26
(E - RJ-45),
On or Flash-
ing Green
(O - SFP)
Off There is no valid link on the port.
10/100/1000 Mbps Ports
Port 27
(Link/Activity)
On or Flash-
ing Green
Off There is no valid link on the port.
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Port has established a valid 10, 100, or 1000 Mbps
network connection. Flashing indicates activity.
Port has established a valid 10, 100, or 1000 Mbps
network connection. Flashing indicates activity.
17
ECN Functions, Features and HW
3.4 Power Supply Input Connector
The ECN has a dual power input with the purpose of achieving redundancy.
The power will be supplied by both power inputs.
If one of the power supplies is out of order for some reason the other supply will automatically take over without any disturbances.
The power supply input connector is located on the front panel of the ECN,
see
Figure 5 on page 18.
The standard power supply for the ECN is -48 VDC, which includes protection through a disposable fuse (located on the rear panel).
Figure 5 Power Supply Input Connector and Fuse
3.5 Fan Tray
The ECN contains one removable fan tray located behind a front-panel access cover on the right side of the unit, see
tray includes two fans for cooling the ECN. A front-panel LED indicates if
one or both fans have failed, in which case, the fan tray should be replaced.
Figure 6 on page 19. The fan
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ECN Functions, Features and HW
Figure 6 Fan Tray
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19
Maintenance
4 Maintenance
4.1 Replacing ECN
The ECN is uniquely identified in PEM by its MAC address. After replacing
the HW, the MAC address of the new ECN must be registered in PEM. It is
vital when replacing an ECN that no embedded nodes are changed until
the registration is completed. To replace an ECN:
1. Disconnect the power and Ethernet connections from the ECN. The
Ethernet connection must be marked, so they can be reconnected to
the same port number in the new HW.
2. Dismount the old ECN.
3. Mount the new ECN.
4. Connect the power and perform the basic configuration according to
the instruction in the ECN330 Installation Manual or ECN320 Installa-
tion Manual. Note that the IP address of the new node must be the
same as the old one.
5. Connect the Ethernet cables to the ECN.
6. Update the SW if needed (from PEM).
7. Possible restore of configuration information from a backup file.
8. Make a Forced Synchronization from PEM (button in the EAN proper-
ties, in the Network Configuration Manager). This action will update the
PEM database with the MAC address of the new node, and download
the configuration to all the embedded nodes.
9. The replacement is complete.
Note: An ECN330 must be replaced with an ECN330 and not an
ECN320. An ECN320 cannot be replaced with an ECN330 but only
with an ECN320.
4.2 Replacing a Fuse
The fuse protecting the ECN’s DC power supply is disposable. If the fuse
has blown, replace it with a new 20 A, 250V type T fuse.
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Maintenance
Warning!
First power off the ECN before replacing a DC power supply fuse.
To replace a fuse, follow these steps:
1. Remove the -48 VDC power source from the ECN.
2. Unscrew the fuse holder counter-clockwise from its socket. Pull out the
blown fuse and discard it.
3. Insert a new 20 A, 250V fuse into the fuse holder and then screw the
holder clockwise back into the fuse socket.
4. Reconnect the -48 VDC power source to the ECN.
4.3 Replacing a Fan Tray
The fan tray should be replaced if the FAN status LED turns on red (a cooling fan in the fan tray has failed).
Caution!
To ensure proper cooling of the ECN, both fans must be operational. If one
fan fails the ECN will continue to run, but the fan tray should be replaced
as soon as possible.
The ECN’s fan tray can be completely removed without powering off the
unit.
To replace a fan tray, follow these steps:
1. Remove the fan tray plastic access cover on the right side of the ECN’s
front panel by pulling the cover’s right edge out, until it becomes free.
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21
Maintenance
Figure 7 Fan Tray Access
2. Unscrew the fan tray’s screw.
3. Grasp the fan-tray’s handle and pull it outward to disconnect it from the
ECN. Carefully slide the fan tray out of the ECN.
Caution!
The new Fan tray must be inserted immediately after the old one is removed.
4. Install a new fan tray in the ECN by sliding it back into the empty slot.
Push in firmly so that the fan tray’s connector is fully engaged with the
ECN.
5. Screw and tighten the fan tray’s screw.
6. Check that the FAN status LED on the ECN front panel is off and that
both new fans are running.
7. Replace the fan tray plastic access cover on the ECN front panel by
pushing the cover’s right edge in until it snaps into place.
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