Linksys SPA2102 Manual: Your Complete Guide for Setup, Configuration, and Troubleshooting
Page 1

Package Contents

•Phone Adapter with Router

•5 V Power Adapter

•RJ-45 Ethernet Cable

•RJ-11 Phone Cable (not included with all models)

•Power Adapter

•Quick Installation

Phone Adapter with Router

Quick Installation

Voice

Model No. SPA2102

Before You Begin

Make sure you have the following:

•An active Internet connection

•An active Internet phone service account and its settings

•A cable/DSL modem

•One computer for configuration of the Phone Adapter

•An analog telephone or fax machine with an RJ-11 phone cable

1

 

 

Connect the Phone Adapter

A

 

 

 

 

Power off your network

 

 

devices, including your

 

 

modem and PC.

 

B

Connect one end of an

 

 

RJ-11 phone cable to the

 

 

Phone Adapter’s PHONE 1

 

 

port. Connect the other end

 

 

to your analog telephone or

 

 

fax machine.

B

 

 

 

 

IMPORTANT: Do not connect the PHONE port to a telephone wall jack. Make sure you only connect a telephone or fax machine to the PHONE port. Otherwise, the Phone Adapter or the telephone wiring in your home or office may be damaged.

C Repeat Step B with the PHONE 2 port if you have an additional telephone or fax machine to connect.

D Connect one end of an Ethernet network cable (included) to the ETHERNET port of the Phone Adapter. Connect the other end to the Ethernet port of your PC.

E Connect one end of a different Ethernet network cable to the INTERNET port of the Phone Adapter. Connect the other end to your cable/DSL modem.

F Power on the cable/DSL modem.

G Connect the included power adapter to the Phone Adapter’s power port, and then plug the power adapter into an electrical outlet. The power LED on the front panel will light up as soon as the Phone Adapter powers on.

H Power on your PC.

D

E

G

NOTE: Make sure your PC’s Ethernet adapter is set to obtain an IP address automatically. For more information, refer to Windows Help.

2

 

 

Configure the Phone Adapter

A

Launch the web browser on

 

 

the PC.

 

B

Enter http://192.168.0.1/

 

 

advanced in the Address

 

 

field (192.168.0.1 is the

 

 

default local IP address of

 

 

the Phone Adapter). Then

 

 

press the Enter key.

 

C

If your Internet Telephony

 

 

Service Provider (ITSP) did

 

 

not supply a password, you

 

 

will not see a login screen.

 

 

Proceed to step D.

 

 

If your ITSP supplied a

 

 

password, you will see a

 

 

login screen. In the User

 

 

Name field, enter user, the

 

 

default user name for user

 

 

access (this cannot be

C

 

changed). Then enter the

 

 

 

password supplied by your

 

 

ITSP.

 

D

The Router - Status screen

 

 

will appear. Click the WAN

 

 

Setup tab.

 

D

E Proceed to the appropriate instructions for your Internet Connection Type: DHCP, Static IP, or PPPoE.

DHCP

1Select DHCP for the Connection Type.

2If you use a cable modem, you may need to configure the MAC Clone Settings.

(Contact your ISP for more information.)

Enable MAC Clone Service. If your service uses a specific PC MAC address, then select yes from the Enable MAC Clone Service setting. Then enter the PC’s MAC address in the Cloned MAC Address field.

3Click Submit All Changes.

Static IP

1Select Static IP for the Connection Type.

2In the Static IP Settings section, enter the IP address in the Static IP field, the subnet mask in the NetMask field, and the default gateway IP address in the Gateway field.

E

MAC Clone Settings

Static IP

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Contents Before You Begin Configure the Phone AdapterConnect the Phone Adapter Using the Interactive Voice Response Menu Using the Interactive Voice Response MenuAction Command Choices Description Click Submit All Changes
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SPA2102, SPA2102 specifications

The Cisco Systems SPA2102 is a versatile Voice over Internet Protocol (VoIP) adapter that serves as a bridge between traditional telephony systems and modern IP networks. Designed primarily for small to medium businesses, the SPA2102 is highly regarded for its reliability, ease of use, and rich feature set. This device allows users to make and receive phone calls over the internet while maintaining the ability to connect traditional analog phones.

One of the standout features of the SPA2102 is its dual-port capability. The device includes two FXS ports, allowing users to connect two separate analog telephones. This makes it an ideal choice for businesses that want to retain their existing telephony infrastructure while transitioning to a VoIP system. The ability to utilize two telephone lines simultaneously provides flexibility and convenience, especially for users in a busy office environment.

The SPA2102 leverages Session Initiation Protocol (SIP) technology, which is widely recognized for its robustness and interoperability. The support for SIP ensures that the SPA2102 can work seamlessly with various VoIP service providers, offering users a broad range of options for their telecommunication needs. In addition to SIP, the device supports various codecs, including G.711, G.726, and G.729, allowing for flexible audio quality settings and bandwidth management.

Security is also a critical aspect of the SPA2102. It incorporates advanced encryption methods, such as Secure Real-time Transport Protocol (SRTP) and Transport Layer Security (TLS), to protect voice communications from potential eavesdropping. This focus on security makes the SPA2102 a reliable choice for businesses concerned about the confidentiality of their conversations.

The device is easy to configure and manage, thanks to its web-based interface. This allows administrators to quickly set up the adapter, manage network settings, and troubleshoot any issues that may arise. Furthermore, the SPA2102 supports Quality of Service (QoS) features, ensuring that voice traffic is prioritized over other types of network traffic, which enhances call quality and reliability.

Overall, the Cisco SPA2102 is a powerful, user-friendly VoIP adapter that combines traditional telephony with modern IP technology. Its dual-port capability, support for SIP, extensive security features, and ease of configuration make it a solid choice for businesses looking to innovate their communication systems while minimizing disruption. Whether used in a small office or a larger organizational setting, the SPA2102 continues to be a reliable component of VoIP solutions.
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