METRObility Optical Systems RADIANCE 10-100MBPS ACCESS OPTICAL NETWORK UNIT User Manual
RADIANCE 10/100MBPS
ACCESS OPTICAL NETWORK UNIT
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Radiance RA21
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100 BASE FX
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DIS MAN
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10/100 TX
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10/100 TX
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Radiance RA21
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Radiance RA21
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Installation & User Guide
Models: RA21-13 / RA21-14 / RA21-15 / RA21-16 /
RA21-17 / RA21-1J / RA21-1X / RA21-1Y
Radiance Access Optical Network Unit
10/100Mbps Copper to Fiber:
RA21-13 ____ 10/100 TX RJ-45 to FX multimode SC
RA21-14 ____ 10/100 TX RJ-45 to FX singlemode SC with diagnostics
RA21-15 ____ 10/100 TX RJ-45 to FX multimode ST
RA21-16 ____ 10/100 TX RJ-45 to FX singlemode ST with diagnostics
RA21-17 ____ 10/100 TX RJ-45 to FX singlemode SC (40km) with diagnostics
RA21-1J ____ 10/100 TX RJ-45 to FX singlemode SC (100km) with diagnostics
RA21-1X ____ 10/100 TX RJ-45 to FX singlemode 1550/1310nm bidirectional
wavelength division multiplexed (BWDM) SC
RA21-1Y ____ 10/100 TX RJ-45 to FX singlemode 1310/1550nm BWDM SC
Accessory:
2731-WM____ Wall mounting bracket
This publication is protected by the copyright laws of the United States and other countries, with all rights reserved. No
part of this publication may be reproduced, stored in a retrieval system, translated, transcribed, or transmitted, in any
form, or by any means manual, electric, electronic, electromagnetic, mechanical, chemical, optical or otherwise, without
prior explicit written permission of Metrobility Optical Systems, Inc.
© 2003 Metrobility Optical Systems, Inc. All rights reserved. Printed in USA.
Table of Contents
Radiance 10/100Mbps Access Optical Network Unit
Installation & User Guide
Overview.............................................................................................................. 4
Installation Guide ...............................................................................................6
STEP 1: Unpack the Unit ...................................................................... 6
STEP 2: Set the Switches ...................................................................... 6
STEP 3: Connect to the Network .......................................................... 9
STEP 4: Apply Power ......................................................................... 11
User Guide ........................................................................................................ 13
LED Indicators .................................................................................... 13
Factory Settings................................................................................... 13
Software Settings ................................................................................ 14
Remote Management Statistics ........................................................... 15
Singlemode Fiber Optic Power Levels ............................................... 16
Link Loss Carry Forward (LLCF) ...................................................... 17
Link Loss Return (LLR) ..................................................................... 18
Topology Solutions ............................................................................. 19
Technical Specifications...................................................................... 20
Product Safety, EMC and Compliance Statements.............................22
Warranty and Servicing ....................................................................... 23
Metrobility Optical Systems, the Metrobility Optical Systems logo, NetBeacon, and WebBeacon are trademarks of
Metrobility Optical Systems, Inc.
The information contained in this document is assumed to be correct and current. The manufacturer is not responsible for
errors or omissions and reserves the right to change specifications at any time without notice.
Overview
The Metrobility Radiance 10/100Mbps Access Optical Network Unit (ONU)
offers the benefits of remote management while eliminating the expenses
associated an additional chassis and management card at the remote site. The
compact Access ONU is a complete standalone device designed for installation
at the customer premise, with no additional equipment. It supports 10Mbps and
100Mbps circuits, as well as auto-negotiation, ensuring compatibility with any
customer equipment. The Access ONU provides real time monitoring of line
quality, remote loopback and other WAN management features that allow a
network administrator in the central office to conduct preemptive trend analysis
and to isolate faults. Because problems are addressed locally without having to
send a technician to the customer site, the results are reduced maintenance costs,
greater efficiency, and faster response to customer requests.
Designed to operate with the ONU, a Radiance Access Line Card installed in the
central office is used to communicate, test and reconfigure the remote Access
ONU, without reducing the available bandwidth to the customer. This is
accomplished through Metrobility’s innovative Radiance technology, which
enables the Access Line Card and ONU to receive and transmit special management packets in an embedded side channel.
The Access Line Card and ONU continually exchange information in a master/
slave relationship through their fiber link. The Access Line Card serves as the
master, and the ONU as the slave. The master must reside in a chassis containing a Metrobility management card. The management card is accessible through
local software control via an SNMP agent such as Metrobility’s NetBeacon™,
via HTTP with WebBeacon™, or via a serial port or telnet connection using the
command line interface. The ONU can be located up to 100km away and be
remotely controlled and accessed from the managed chassis.
Through NetBeacon, a network administrator in a central office can open a
dialog with the Access ONU and reset its hardware switch settings, monitor its
environmental parameters, or view port details and statistics. NetBeacon
provides extensive real-time and historical graphs to display information such as
the packet error rate and packet details. The administrator can also perform tests
on the remote link, without any bandwidth reduction, and isolate problems to
prevent downtime. This end-to-end visibility and testing of the network simplifies network management and increases reliability.
The Access ONU performs various operations set through hardware switches or
remote management instructions. Among these functions are loopback and Far
End Fault (FEF). Loopback enables a port to return its incoming data back to
4 Overview
the sender. FEF enables the Access Line Card in the central office to detect a
break in the Access ONU’s fiber port receiver. The combination of these
operations, along with the unit’s remote management feature, enable easy
deployment of Ethernet services to customers.
The Radiance Access ONU provides the following key features:
• Compatibility with any 10Mbps or 100Mbps copper Ethernet device at the
customer premise.
• Remote management through Metrobility’s innovative Radiance technology
which enables communication between the central office and customer site.
• Complete Remote Monitoring (RMON) Group 1 Ethernet Statistics support.
• Remote link testing that does not affect the customer’s available bandwidth.
• Individual port enable/disable.
• Far End Fault to notify the central office of a link loss on the Access ONU’s
fiber port receiver.
• Auto-negotiation on the copper port.
• Half and full duplex support on the copper port.
• 10Mbps or 100Mbps support on the copper port.
• Link Loss Carry Forward (LLCF) and Link Loss Return (LLR) functionality
to aid in troubleshooting.
• Integral singlemode fiber optic power monitors to measure the receive and
transmit levels of the optical transceivers. (Models RA21-14, -16, -17 and -1J)
• Full signal restoration that allows for maximum segment length.
• Push-button MDI-II/MDI-X switch on the front panel to eliminate the need
for crossover cables on the copper port.
• Optional wall mounting bracket.
• Full compliance with applicable portions of IEEE 802.3, 802.3u and 802.3x.
•Maximum transmission unit (MTU) size of 1535 bytes, which accommodates
Q-over-Q (IEEE 802.1ad) VLAN tagging and MPLS labels.
Radiance 10/100Mbps Access Optical Network Unit 5
Installation Guide
Follow the simple steps outlined in this section to install and start using the
Radiance 10/100Mbps Access Optical Network Unit.
Unpack the Unit
Your order has been provided with the safest possible packaging, but
1
2
shipping damage does occasionally occur. Inspect your order carefully.
If you discover any shipping damage, notify your carrier and follow
instructions for damage and claims. Save the original shipping carton if
return or storage of the unit is necessary.
Set the Switches
MDI-II to MDI-X Switch (twisted-pair port only)
To eliminate the need for crossover cables, the Access Optical Network
Unit has an MDI-II to MDI-X switch on its twisted-pair port. The
switch is located on the front panel, to the right of the RJ-45 connector.
Use this switch to configure the port for either a straight-through or
crossover connection.
• The parallel symbol (II) indicates a straight-through or parallel
connection. The switch is up. (default)
• The cross symbol (X) indicates a crossover connection. The switch is
down.
Use the following table as a guide.
A device that is wired straight through needs one crossover connection:
If the cable is
straight through
crossover
A device that is wired crossover needs a parallel connection:
If the cable is
straight through
crossover
DIP Switches
A set of six DIP switches is located on the back of the unit. These
switches allow you to select from several modes of operation and are
clearly marked. Refer to the following table for the proper setting of the
DIP switches.
6 Installation Guide
*
the MDI-II to MDI-X switch setting should be
X
II
the MDI-II to MDI-X switch setting should be
II
X
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AUTONEG
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LLCF
LLR
DUPLEX
100M
1
234 5 6
DC INPUT/5VDC
Radiance Access Optical Network Unit
FEF
AUTONEG
100M
LLR
LLCF
Default Settings
ON
DUPLEX
1
234 5 6
OFF
* DIP switches can also be managed remotely via console commands or through Metrobility’s NetBeacon or WebBeacon
management software. Refer to the
Software Installation & User Guide
management information.
Command Line Interface Reference Guide, NetBeacon Element Management
or
WebBeacon Management Software Installation & User Guide
for software
Radiance 10/100Mbps Access Optical Network Unit 7
Duplex
The DUPLEX switch sets the duplex mode on the copper port when
auto-negotiation is disabled. The copper port operates at full duplex
when DUPLEX is ON. It operates at half duplex when DUPLEX is
OFF.
When auto-negotiation is enabled, the DUPLEX switch setting is
ignored.
Auto-Negotiation
Auto-negotiation is supported only on the copper port. When switch
AUTONEG is ON, the copper port advertises 100Mbps full-duplex
capabilities to its link partner.
When auto-negotiation is disabled, the copper port’s duplex is set
through the DUPLEX switch, and its speed is set by the 100M switch.
Speed
Switch 100M determines the speed setting for the copper port when
auto-negotiation is disabled. The copper port speed is set to 100Mbps
when the 100M switch is ON, and 10Mbps when it is OFF.
The 100M switch setting is ignored when auto-negotiation is ON.
Far End Fault
Far End Fault (FEF) only applies to the fiber optic port. FEF enables a
managed Radiance Access Line Card in a central office to detect a
break in the Access ONU’s fiber port receiver. If FEF is enabled on the
Access ONU and its fiber port stops receiving link signals, an unsolicited alarm will be sent to its Access Line Card partner. No alarms will
be issued if FEF is disabled.
Link Loss Return
Link Loss Return (LLR) is only applicable to the fiber port. When LLR
is enabled, loss of the receive signal at the port disables its own
transmitter from emitting link pulses. When LLR is disabled, the fiber
port continually transmits an idle signal.
Refer to Link Loss Return for additional information.
8 Installation Guide
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