Specifications

1-1
Linksys ATA Administrator Guide
Document Version 3.1
CHAPTER
1
Introducing Linksys Analog Telephone Adapters
This guide describes the administration and use of Linksys analog telephone adapters (ATAs). This
chapter introduces the functionality of the Linksys ATAs and includes the following sections:
• Overview, page 1-1
• Ensuring Voice Quality, page 1-3
• Feature Descriptions, page 1-5
• Technology Background, page 1-9
• Where to Go From Here, page 1-13
Overview
Table 1-1 summarizes the ports and features provided by the Linksys ATAs described in this document.
Table 1-1 Linksys ATAs
Product
Name
FXS
(Analog
Phone)
FXO PSTN
Connection
RJ-45
Internet
(WAN)
RJ-45
Ethernet (LAN)
Configurable
Voice Lines Description
PAP2T Two (2) — One (1) — Two (2) Voice adapter with two FXS ports
SPA1001 One (1) — One (1) — One (1) Small VoIP adapter
SPA2102 Two (2) — One (1) — One (1) Voice adapter with router
SPA3102 One (1) One (1) One (1) One (1) Two (2) Voice adapter with router and PSTN
connectivity
SPA8000 Eight (8) — One (1) Maintenance
only
Four (4) Voice adapter with support for up to
eight FXS devices
RTP300 Two (2) — One (1) Four (4) Two (2) IP router with two FXS ports
WRP400
WRTP54G
WRT54GP2
Two (2) — One (1) Four (4) Two (2) Wireless-G IP router with two FXS
ports
AG310 One (1) One (1) One (1) One (1) One (1) ADSL2+ gateway with VoIP and
PSTN connectivity