Edgewater Networks EdgeMarc 4603, EdgeMarc 4576 Installation Manual

Edgewater Networks / 2895 Northwestern Parkway, Santa Clara, CA 95051
Phone: [phone] / Email: [e-mail]

100

EdgeMarc 4603
Enterprise Session Border
Controller

Installation Guide

Version 1.0

water Networks / 2895 Northwestern Parkway, Santa Clara, 95051
Phone: +1 [phone] / Email: [e-mail]

Ed

© 2011, Edgewater Networks, Inc.
Edgewater Confidential, All Rights Reserved.
This document is protected by copyright and distributed under licenses restricting its

use, copying, distribution, and decompilation. No part of this document may be
reproduced in any form by any means without prior written authorization of Edgewater
Networks, Inc. Documentation is provided “as is” without warranty of any kind, either
express or implied, including any kind of implied or express warranty of non­infringement of the implied warranties of merchantability or fitness for a particular
purpose.

EdgeMarc is a trademark of Edgewater Networks, Inc. in the United States and other
countries. Any other trademarks appearing in this manual are owned by their
respective companies.

Export Notice
This product, software and related technology is subject to U.S. export control and
may be subject to export or import regulations in other countries. Purchaser must
strictly comply with all such laws and regulations. A license to export or re-export may
be required by the U.S. Department of Commerce.

Regulatory Compliance
UL, FCC Part 15, FCC Part 68
Licensing

Use of this product is subject to Edgewater Networks Software License Agreement.
Portions of this product include software sponsored by the Free Software Foundation

and are covered by the GNU GENERAL PUBLIC LICENSE.
See the VOS for EdgeMarc User Manual for more information regarding licenses.

Warranty

Product warranty does not apply to damage caused by lightning, power surges, or
wrong voltage usage.

Typographical Errors
This publication could include technical inaccuracies or typographical errors, for which
Edgewater Networks never can or shall be held liable. Changes are made periodically
to the information herein; these changes will be incorporated in new releases of this
publication. Edgewater Networks may make improvements or changes in the product
or products described in this publication at any time, without prior notice.

Documentation Feedback
Edgewater Networks considers your satisfaction with this documentation a priority. If
you would like to provide us with feedback regarding your experience with our
documentation or should you have any other quality-related comment concerning its
delivery, please visit the following URL:

http://www.edgewaternetworks.com/feedback.htm

Release Date: December 2, 2011

Contents

Preface ................................................................................................................... 1

Typographic Conventions ............................................................................ 1

Contact and Support Information ................................................................. 1

Overview ................................................................................................................ 2

EdgeMarc 4603 Enterprise Session Border Controller ................................ 2

Front Panel.................................................................................................. 3

Back Panel .................................................................................................. 5

Installation ............................................................................................................. 6

Required Tools, Materials, and Information ................................................. 6

Step 1: Install the EdgeMarc 4603 Chassis ................................................. 7

Step 2: Connect to the LAN and WAN ......................................................... 8

Rack Mount Installation .................................................................... 7

Connecting to the LAN ..................................................................... 8

Connecting to a WAN Router, Cable Modem or DSL Modem .......... 8

Connecting to the WAN Using the T1/E1 Port .................................. 8

Step 3: Install the Amphenol Connector ...................................................... 8

Procedure ........................................................................................ 9

Step 4: Connect to Power .......................................................................... 12

Configuring Basic Network Settings ................................................................. 14

Accessing VOS for EdgeMarc ................................................................... 14

Configuring Basic LAN, WAN, and T1/E1 Settings .................................... 16

Enabling a LAN Connection ........................................................... 16

Enabling a WAN Connection.......................................................... 17

Enabling the T1/E1 Interface.......................................................... 18

Deploying the EdgeMarc 4603 .................................................................. 19

Specifications ..................................................................................................... 20

Warranty Information .......................................................................................... 21

Hardware Warranty ................................................................................... 21

Certification and Compliance............................................................................. 22

Certificates ................................................................................................ 22

FCC PART 68 NOTICE ............................................................................. 22

FCC Statement ......................................................................................... 23

i

Preface

Thank you for purchasing the EdgeMarc 4603. This guide provides instructions for
installing the EdgeMarc 4603 and configuring basic software settings. It is intended for
network installers, network operators, and security officers.

Typographic Conventions

Task steps are presented in numbered lists. User inputs are displayed in boldface type
and can represent either keyboard input or mouse selections in a browser window.
Web GUI menus and input areas are represented in italic type.

Note

Denoted with a pencil icon, notes emphasize useful information.

Caution

Denoted with an exclamation point icon, cautions indicate situations in which proper
procedures must be followed to avoid the risk of data loss or equipment damage.

Warning

Denoted with a lightning bolt symbol, warnings indicate situations in which proper
procedures must be followed to avoid the risk of bodily injury.

Contact and Support Information

Edgewater Networks, Inc.

2895 Northwestern Parkway
Santa Clara, CA 95051

http://www.edgewaternetworks.com

Phone: [phone]
General Email: [e-mail]
Sales Email: [e-mail]

Edgewater Networks, Inc. - Technical Assistance Center

Phone: [phone] ext. 2
Support Email: [e-mail]

1

Feature

Description

Security

A stateful packet inspection firewall is used in combination with a voice over

IP (VoIP) application layer gateway to provide comprehensive “media­aware” security. The EdgeMarc 4603 also supports IPSec for secure site-to-

site networking.

 VoIP-aware firewall dynamically provisions and closes UDP ports

used for VoIP calls

 IPSec: 3DES, SHA-1
 NAT/PAT server protects and hides enterprise LAN topology

Overview

EdgeMarc Enterprise Session Border Controllers (ESBC) are used to connect
enterprises to cloud-based services such as SIP trunking and hosted PBX. They are
also used by the enterprise for business-to-business video conferencing and branch
office connectivity. Available for small to large enterprise environments, all EdgeMarc
products provide a VoIP and video-aware NAT/Firewall, protocol harmonization for
interoperability of VoIP and video devices, active VoIP line testing, call quality
monitoring, survivability, QoS and more.

The EdgeMarc ESBCs can be deployed initially as low-cost WAN access routers and
then licensed through software for more advanced VoIP features and increased call
performance. The EdgeMarc is the ideal platform for service providers and enterprise
organizations offering DIA, hosted VoIP and managed security services or enterprises
migrating to converged voice and data networks.

1

EdgeMarc 4603 Enterprise Session Border Controller

The EdgeMarc 4603 combines a 24 FXS port Integrated Access Device (IAD) and
multiple voice and data features into a single, easy-to-use Enterprise Session Border
Controller. It provides up to four (4) integrated T1 Channel Service Units (CSU)/Data
Service Units (DSU) for medium and large office connectivity.

Service providers and enterprise organizations use the EdgeMarc 4603 to connect IP,
TDM and analog-based PBXs to SIP trunking services. The EdgeMarc 4603
automatically manipulates SIP messages and features advanced inspection
capabilities that enable it to be deployed in many different environments with a wide
range of PBXs and SIP trunking services. It is the ideal platform for service providers
and enterprise organizations for use in SIP trunking, hosted VoIP and other converged
services.

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EdgeMarc 4604 Enterprise Session Border Controller Installation Guide

Feature

Description

VoIP

The EdgeMarc 4603 resolves NAT/FW traversal problems for SIP and
H.323 traffic. It allows a single public IP address to be used for multiple VoIP
clients. VoIP survivability enables continuous service during WAN link
failures. Survivability can use either the FXO ports on the EdgeMarc 4603 or
an external gateway.

Quality of
Service

The EdgeMarc 4603 maximizes WAN link utilization while optimizing voice
quality using prioritization and shaping. Quality of Service features include:

 Class based queuing/prioritization
 Diffserv marking and policing
 Traffic shaping
 VoIP call admission control prevents oversubscription of priority

queue

Passive Call
Quality
Monitoring

The EdgeMarc 4603 provides passive call quality monitoring statistics for
each VoIP call to enforce SLAs and resolve networking problems that
negatively affect call quality. The call quality monitoring features:

 Per call statistics that include mean opinion score (average and

minimum), jitter, latency, and packet loss.

 Alarms for poor MOS scores.
 Active call count indicators.

Analog Voice

The EdgeMarc 4603 features 24 FXS ports for connecting analog and key
system phones to the network, and 2 FXO ports to connect to the PSTN for
failover.

Front Panel

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EdgeMarc 4604 Enterprise Session Border Controller Installation Guide

Name

Description

A

Power

Off

Power switch is off (or no power from the AC outlet).

Green

Power is supplied to the unit.

B

Status

Off

The unit could not boot up because of self-test failure.

Green

Self-test passed.

C

Erase Button

If pressed twice in quick succession, only the CLI password will be
changed back to its original password.

If pressed three times in quick succession, the EdgeMarc will revert back
to the factory default settings. This will reset all passwords and erase all
prior configurations. The default LAN address will be set to 192.168.1.1.

Caution

Using the Erase button as outlined above means any configuration made
to the EdgeMarc 4603 will be lost. Erasing the configuration means that IP
phones installed behind the EdgeMarc 4603 will not work and Internet
connectivity or network access for PCs will be down until the system is
reconfigured.

D

10/100
Ethernet LAN
Ports

Four (4) Local Area Network (LAN) ports to connect the IP phones or an
Ethernet switch. Unit can also be configured through any of these ports
using the web interface.

E

10/100
Ethernet WAN
Port

Can be used as an alternative or in addition to the T1/E1 WAN ports. This
port is typically used when connecting the EdgeMarc 4603 to an existing
WAN router, cable or xDSL modem.

F

USB Ports

2 (Version 2.0) x USB ports can be used for EVDO WAN connections and
maintenance functions.

G

Management
Console Port

This port is used to establish a local console session with the EdgeMarc
4603 using a VT100 terminal or emulation program. The cable required is
a Male to Female straight-through DB-9 cable. The serial port uses a
baud rate of 9600, 8 data bits, 1 stop bit and no parity.

This port is used for debug or local diagnostic purposes only. Primary
configuration of the EdgeMarc 4603 is performed from a web browser as
covered in Edgewater Networks VoIP Operating System (VOS) for
EdgeMarc User Manual.

H

V.90 Dial-In
Console

Used to establish a local console session with the EdgeMarc 4603 using a
PTSN connection. The connection is established by calling into the
EdgeMarc 4603 from a dial-up modem. The web-interface is not available
using this option.

Note: The EdgeMarc 4603 requires a V.90 RJ-11 cable. For further
instruction on connecting the device, consult the Edgewater Networks
VoIP Operating System (VOS) for EdgeMarc User Manual.

I

T1/E1 WAN

4 T1/E1 ports

Off

T1 cable is not connected to the device.

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EdgeMarc 4604 Enterprise Session Border Controller Installation Guide

Name

Description

that are used
to connect to
T1/E1 lines.

Green

T1 is in sync.

Yellow

The destination to which data is being
transmitted has a problem with the signal it is
receiving.

Red

Data has been corrupted and there is a loss
of signal.

J

Line

2 FXO ports
Off

No active call

Green

Active call

K

Phone Status
Indicator

Off

No active call

Green

Active call

L

Phone

24 FXS ports, 50-pin female connector. Receives a male 50-pin
Amphenol type connector (90 degree or 180 degree). Not Included.

LED Label

Description

A

Power Connector

Accepts the plug from the supplied power cord to connect the unit to
an AC power outlet.

B

Power Switch

Turns the system power on or off.

Back Panel

5

Installation

Observe the following guidelines when installing the EdgeMarc 4603:

 Always verify that the AC cord is disconnected from a power source prior to

installation.

 Do not stack multiple units on top of each other as this can cause overheating.
 Ensure that the installation site has adequate air circulation and meets the

minimum operating conditions for the system as specified in the Specifications
section of this document.

Required Tools, Materials, and Information

2

 TIA/EIA 568B standard Ethernet cables to connect the LAN ports to LAN

switches or to individual IP phones. They can also be used to connect the
Ethernet WAN port to a WAN router, a cable modem or a DSL Modem, or to
connect a T1/E1 port to a WAN or PRI connection.

 Philips screwdriver (if the unit will be mounted in a rack).
 Male 50-pin Amphenol type connector (90 degree or 180 degree) to connect to

the FXS Phone ports. Not included.

 If a T1/E1 port will be used to connect to WAN, you will need:

─ T1/E1 cable to connect the T1/E1 port to a T1/E1 line
─ T1/E1 frame format
─ Layer 2 protocol such as PPP, Frame Relay/DLCIs, HDLC, etc.

Warning

To reduce the risk of fire, use only 26 AWG or larger wire (e.g. 24, 22, 20, etc.) to
connect the T1 port on your unit to an RJ-45 jack.

Important!

If you will be using the V.90 port to connect to the device, you must supply your own
V.90 connection cable as it is not included with this device. For further instruction on
connecting the device using the V.90 port, consult the Edgewater Networks VoIP
Operating System (VOS) for EdgeMarc User Manual.

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EdgeMarc 4604 Enterprise Session Border Controller Installation Guide

Step 1: Install the EdgeMarc 4603 Chassis

1. Remove the EdgeMarc 4603 and accessories from the shipping container:

 AC Power cord
 Rack mount ears
 6 Philips head screws to attach the rack mount ears to the chassis
 Edgewater Documentation CD
 Regulatory, Compliance, and Safety Information

2. Place the EdgeMarc 4603 on a flat, dry surface such as a desktop, shelf or tray, or
install it in a rack as described below.

Rack Mount Installation

You can install the EdgeMarc 4603 in a 19” rack using the rack mount kit supplied with
the product.

IMPORTANT: Before completing rack installation of the EdgeMarc 4603, take
note of the following conditions:

Elevated Operating Ambient - If installed in a closed or multi-unit rack assembly, the

operating ambient temperature of the rack environment may be greater than room
ambient. Therefore, consideration should be given to installing the equipment in an
environment compatible with the maximum ambient temperature specified by the
manufacturer.

Reduced Air Flow - Installation of the equipment in a rack should be such that the
amount of airflow required for safe operation of the equipment is not compromised.

Mechanical Loading - Mounting of the equipment in the rack should be such that a
hazardous condition is not achieved due to uneven mechanical loading.

Circuit Overloading - Consideration should be given to the connection of the
equipment to the supply circuit and the effect that overloading of the circuits might
have on overcurrent protection and supply wiring. Appropriate consideration of
equipment nameplate ratings should be used when addressing this concern.

Reliable Earthing - Reliable earthing of rack-mounted equipment should be
maintained. Particular attention should be given to supply connections other than
direct connections to the branch circuit (e.g. use of power strips).

To install the EdgeMarc 4603 in a rack:

1. Attach the rack mount ears to both sides of the EdgeMarc 4603 with the supplied
screws.

2. Install the EdgeMarc 4603 in the rack with rack mount screws (not included).

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EdgeMarc 4604 Enterprise Session Border Controller Installation Guide

Step 2: Connect to the LAN and WAN

Connecting to the LAN

1. Connect one end of an Ethernet cable to local LAN port 1 on the front panel of the
EdgeMarc 4603 (shown as C in the front panel diagram).

2. Connect the other end of the cable to your computer’s Ethernet port.

Connecting to a WAN Router, Cable Modem or DSL Modem

1. Connect an Ethernet cable to the Ethernet WAN port on the EdgeMarc 4603
(shown as E in the front panel diagram).

2. Connect the other end to an Ethernet port on a router or a modem.

Connecting to the WAN Using the T1/E1 Port

1. Based on the number of functional ports, connect one end of the T1/E1 cable(s) to
the T1/E1 port(s), shown as D in the front panel diagram).

2. Connect the other end of the cable(s) to the T1/E1 demarcation unit provided by
the Service Provider.

Caution

To reduce the risk of fire, connect the T1/E1 port to the T1/E1 network using only 26
AWG or larger wire such as 24, 22, 20, etc.

Step 3: Install the Amphenol Connector

The EdgeMarc 4603 includes 24 integrated Phone/FXS ports for connecting analog
and key system phones to the network. The Phone/FXS ports require a male 50-pin
Amphenol type connector (not included). Refer to the following diagrams:

8

EdgeMarc 4604 Enterprise Session Border Controller Installation Guide

Procedure

1. Remove the left side screw:

9

EdgeMarc 4604 Enterprise Session Border Controller Installation Guide

2. Remove the cable clip:

3. Slide the cable cover to the left and remove:

4. Straighten the cable for space to tighten the right side screw:

10

EdgeMarc 4604 Enterprise Session Border Controller Installation Guide

5. Slide the cable cover back:

6. Tighten the left side screw:

7. Reattach the cable clip:

11

EdgeMarc 4604 Enterprise Session Border Controller Installation Guide

Installation is complete.

Step 4: Connect to Power

The EdgeMarc 4603 comes with an AC power cord for connecting the unit to an AC
power outlet.

Warning

Always connect the AC power cord to an AC outlet suitable for the power supply that
came with the unit in order to reduce the risk of damage to it.

Caution

Secure the power adapter using a fastener or tie wrap to nearby shelf so that it does
not hang from the power connector.

12

EdgeMarc 4604 Enterprise Session Border Controller Installation Guide

To connect the EdgeMarc 4603 to power:

1. Plug one end of the power cord into the power receptacle on the back panel of the
EdgeMarc 4603 (shown as A in the back panel diagram).

2. Plug the other end into an AC power outlet.

3. Turn on the power switch (shown as B in the back panel diagram).

4. Make sure that the power and status LEDs on the front panel are solid green after
the EdgeMarc 4603 powers on.

13

Configuring Basic Network

Settings

EdgeMarc SBCs feature an easy-to-use graphical user interface that provides access
to the VoIP Operating System (VOS) for EdgeMarc so you can manage settings for
your deployment. This section explains how to configure basic network settings that
enable the EdgeMarc device to function in your IP network.

The VOS for EdgeMarc interface is accessible through a web browser such as Internet
Explorer or Mozilla Firefox. EdgeMarc devices are shipped with the pre-configured IP
address 192.168.1.1 for the LAN port. You will need to assign the WAN IP address
using IP addresses or credentials assigned for your EdgeMarc appliance by your ISP.
You may also need to specify the gateway and a preferred and secondary IP address
for the DNS server. This information should also be supplied by your ISP.

3

Refer to the EdgeMarc VOS User Manual for complete details on how to configure
your EdgeMarc appliance for your network deployment.

Accessing VOS for EdgeMarc

1. Connect a PC to LAN port 1 of the EdgeMarc.

2. Enable DHCP on the PC so that it will obtain an IP address.

3. Launch a web browser on the PC and enter the URL string: 192.168.1.1.

4. Press Return. The login window opens.

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EdgeMarc 4604 Enterprise Session Border Controller Installation Guide

Note

If the System window does not open and "message of the day" displays,
select System from the Configuration menu to open the System window.

5. Enter the following credentials:
User name: root
Password: default

The VOS System window opens:

Note

For secure network management, change the default user name and password as
described in the Edgewater Networks VOS for EdgeMarc User Manual.

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EdgeMarc 4604 Enterprise Session Border Controller Installation Guide

Configuring Basic LAN, WAN, and T1/E1 Settings

1. Select Network from the VOS Configuration menu. The Network window opens:

Enabling a LAN Connection

1. In the LAN Interface Settings section of the Network window, enter the IP address
to be used on the local area network. By default, this is set to 192.168.1.1.

2. Enter the Subnet Mask to be used for the local area network. The default value is

255.255.255.0.

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EdgeMarc 4604 Enterprise Session Border Controller Installation Guide

3. Click Submit to make your changes take effect now, or click Apply Later to
continue making changes to the page. Your changes will not take effect until you
click Submit All in the box that appears at the top of the screen:

Note

The LAN and WAN networks must be different subnets. Also, the LAN and WAN
interfaces must not be attached to the same broadcast domain. For example, the
LAN and WAN interfaces cannot be connected to the same hub or switch unless
they are segmented with VLANs.

Enabling a WAN Connection

1. In the WAN Interface IPv4 section of the Network window, select the method to
use to obtain an Internet connection. When you select a connection method, the
window displays the appropriate settings. The following connection methods are
available:

 Select PPPoE to initiate a PPP session over your WAN Ethernet port. Provide

the PPPoE username and password given by your ISP.

 Select DHCP to get a WAN-side IP address via a DHCP server available on

the WAN side of the network.

 Select Static IP to configure the WAN interface manually. Enter the IP Address,

Subnet Mask (default is 255.255.255.0), Default Gateway and DNS addresses
supplied by your ISP.

 Select T1/E1 to enable the T1/E1 interface. The T1/E1 Configuration window

displays. See Enabling the T1/E1 Interface.

2. Click Apply Later to save your settings. Your changes will not take effect until you
click Submit or Submit All in the Network window.

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EdgeMarc 4604 Enterprise Session Border Controller Installation Guide

Enabling the T1/E1 Interface

1. In the WAN Interface IPv4 section of the Network window, select T1/E1. The T1/E1
Configuration window opens.

2. Enter the T1/E1 settings provided by your ISP.

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EdgeMarc 4604 Enterprise Session Border Controller Installation Guide

3. When you are satisfied with your network settings, click Apply Later to return to
the Network window.

4. When you are ready to commit your changes, click Submit or Submit All to make
your changes take effect.

Deploying the EdgeMarc 4603

For details about how to configure and deploy the EdgeMarc appliance in your
network, refer to the EdgeMarc VOS online help and the Edgewater Networks VOS for

EdgeMarc User Manual.

The EdgeMarc can be deployed as a Session Border Controller in a network. It can
also be deployed in a network behind an existing firewall. For more information about
deploying your EdgeMarc behind a firewall, visit our support knowledgebase at

http://www.edgewaternetworks.com/kb.

19

WAN Ports

1x10/100 Mbps Ethernet

LAN Ports

4x10/100 Mbps Ethernet (Managed VLAN Switch)

T1/E1 ports

4

USB Ports

2 (Version 2.0)

V.90 Ports

1

Analog
Ports

24 FXS Ports (50-pin female Amphenol connector)

Console
Port

1 RS-232 DB9 Female

Dimensions

Height 1.7” (43.18 mm) x Width 17” (431.8 mm) x Depth
13” (330.2 mm)

Weight

8.34 lbs. / 3.78 kgs

Power

120V 3-prong, Internal

Warranty

1 Year

Operating
Temperature

0 to 45 degrees, Celsius

Humidity

10%-95%

Number of
VLANs

16

Specifications

A

For the latest information, please visit the following URL:

http://www.edgewaternetworks.com and look for EdgeMarc Product Family

Specifications under Products > EdgeMarc.

20

Warranty Information

Hardware Warranty

For a period of one (1) year after shipment of the Product, Edgewater warrants that
such Hardware will substantially conform to Edgewater’s published specifications for
such Hardware on the date of order if properly used in accordance with procedures
described in the documentation supplied by Edgewater. End-user shall notify
Edgewater of any nonconformance during the warranty period, obtain a return
authorization for the nonconforming Hardware from Edgewater, and return the
nonconforming Hardware to Edgewater’s designated repair facility, freight prepaid,
with a statement describing the nonconformity. Edgewater’s exclusive obligations with
respect to nonconforming Hardware shall be, at Edgewater’s option, to advance
replace such Hardware, if it is determined to be defective or to refund to End-user the
purchase price paid for the Product. Advance replacement units are shipped same
business day for next-day delivery (within the US) when hardware failure is determined
by 1pm PST. Failed components must be returned to Edgewater within 14 days or
End-user will be charged for new product purchase.

B

21

Safety

UL, FCC Part 15, FCC Part 68

Certification and Compliance

Certificates

FCC PART 68 NOTICE

1. This equipment complies with Part 68 of the FCC rules and the requirements
adopted by the ACTA. On bottom of this equipment is a label that contains, among
other information, a product identifier of [US: EWRDW05B4603]. If requested, this
number must be provided to the telephone company.

C

2. If this equipment [Network Service Gateway] causes harm to the telephone
network, the telephone company will notify you in advance that temporary

discontinuance of service may be required. But if advance notice isn’t practical, the

telephone company will notify the customer as soon as possible. Also, you will be
advised of your right to file a complaint with the FCC if you believe it is necessary.

3. The telephone company may make changes in this facilities, equipment, operations
or procedures that could affect the operation of the equipment. If this happens the
telephone company will provide advance notice in order for you to make necessary
modification to maintain uninterrupted service.

4. If you experience trouble with this equipment, you disconnect it from the network
until the problem has been corrected or until you are sure that the equipment is not
malfunctioning.

5. Please follow instructions for repairing if any (e.g. battery replacement section);
otherwise do not alternate or repair any parts of device except specified.

6. Connection to party line service is subject to state tariffs. Contact the state public
utility commission public service commission or corporation commission for
information.

7. If the telephone company requests information on what equipment is connected to
their lines, inform them of:

a) The telephone number that this unit is connected to,
b) The ringer equivalence number [REN: 0.5B]
c) The USOC jack required [RJ11C] and [RJ48C]

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EdgeMarc 4604 Converged Networking Router Installation Guide

d) The FCC Registration Number [US: EWRDW05B4603]
Items (b) and (d) are indicated on the label. The ringer equivalence number (REN)

is used to determine how many devices can be connected to your telephone line. In
most areas, the sum of the RENs of all devices on any one line should not exceed
five (5.0). If too many devices are attached, they may not ring properly.

Service Requirements

In the event of equipment malfunction, all repairs should be performed by Edgewater
Networks or an authorized agent. It is the responsibility of users requiring service to
report the need for service to Edgewater Networks or to one of our authorized agents.
Service can be facilitated through our office at:

Edgewater Networks, Inc.
2895 Northwestern Parkway, Santa Clara, CA 95051
Tel: [phone] Fax: [phone]

FCC Statement

This product has been tested and found to comply with the limits for a Class A digital
device pursuant to Part 15 of FCC Rules. These limits are designed to provide
reasonable protection against such interference when operating in a commercial
environment. This equipment generates, uses and can radiate radio frequency energy,
and if not installed and used according to the instructions, may cause harmful
interference to radio communications.

Operation of this equipment in a residential area is likely to cause interference, in
which case the user, at his or her own expense will be required to take whatever
measures to correct the interference.

Caution

Changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.

23

Edgewater Networks, Inc.

2895 Northwestern Parkway
Santa Clara, CA 95051
Phone: [phone]
[e-mail]