Digital Acoustics IP7-SS40 Reference Manual

™

IP7

IP Paging Amplifier

Reference Manual

-SS40

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Table of Contents

Overview ........................................................................................1

Specifications .................................................................................2

IP7-SS40 Layout.............................................................................3

LED Indicators ................................................................................6

LEDs .............................................................................................. 6

LED Status Table ............................................................................. 6

LAN Connector LEDs......................................................................... 6

Connecting Power...........................................................................7

External Power ................................................................................ 7

USB Power...................................................................................... 7

Connecting a Speaker / Transformer..............................................7

SPKR 8Ω+ and SPKR 8Ω-.................................................................. 7

Speaker Configurations..................................................................... 7

25/70V Speaker(s) with optional 25/70V transformer............................ 8

8 Ohm Speaker(s) ........................................................................... 9

Connecting an I2C Bus..................................................................10

Mounting Instructions ..................................................................10

Din Rail Mounting............................................................................10

Surface Mounting............................................................................10

Setting Volume Levels ..................................................................11

Software Configuration.................................................................11

IP Address .....................................................................................11

Options .........................................................................................11

Environmental ..............................................................................12

Troubleshooting............................................................................13

Reset to Factory Defaults .................................................................13

Connecting 1/8” (3.5mm) Audio Plug to the Pluggable connectors..........13

Reducing electrical noise in audio ......................................................13

Viewing tech support info via the USB port .........................................13

Low Level Flashing Utility .................................................................14

Contacting Technical Support .......................................................14

Email support:................................................................................14

Telephone Support:.........................................................................14

Regulatory Notices .......................................................................15

Index............................................................................................16

i

Overview

The Digital Acoustics IP7-SS40 is an IP (Internet Protocol) amplifier
that provide up to 40 watts of audio output. The SS40 is capable of
driving one or more speakers attached to a 25/70V audio distribution
line or an 8 ohm speaker.

Standard features include:

 Drive one or more speakers for paging

applications

 High quality 40 watt audio power with short

circuit protection.

 Highly scalable and seamless expansion

 DIN rail or surface mount

 Fixed or DHCP compliant IP assignment

 Field upgradeable OS using internal Flash

memory

 Flexible User Access for delivering paging through VoIP/SIP 2.0

or TalkMaster ™ software

The IP7-SS40 must be configured using the TalkMaster software
before being used. Please consult the configuration section of the
software manual for details.

1

Specifications

Items Specification

Hardware Protocols TCP, UDP, SIP, RTP, ICMP, IGMP Multicast

Network Interface 10/100 Ethernet (Auto detection, Auto MDIX)

Command protocols Proprietary (TalkMaster mode) or SIP 2.0

Audio Resolution G.711 (8-bit PCM and 16-bit uLaw)

Audio Sample Rate 8 kHz (Voice mode) 22kHz (Background Music)

Audio Frequency 90-4kHz (Voice band) , 90-11khz (Background Music)

Internal Amplifier 40 watts @ 8 Ohms @ 10% THD

Humidity 10~90%

Power 24 to 25 VDC @ 60 watts nominal

Size

3.85. x 3.59 x 1.37 in

98 mm x 91mm x 35mm

2

3

5

IP7-SS40 Layout

1

2

4

6

7

J1

J2

3