AT&T Syn248 SB35031 User manual

Syn248 System Installation
Quick Start Guide
For complete installation information,
see the Syn248 Installation and Configuration Guide,
available at smbtelephones.att.com/product-support.
System Diagram
1 2 3
7 7/8 in.
(20 cm)
Blue lines: Telephone
Red lines: Ethernet/CAT 5
Orange lines: Audio
Dotted lines: DECT wireless
You can place the Gateway on a tabletop, mount it into a standard 19-
inch metal rack, or wall mount it.
Install the GatewaySystem Components and Tools Required
19 in. (48.3 cm)
Rack-mounting Wall-mounting
• SB35010 Gateway You can install up to two Gateways to support
up to eight telephone lines.
• SB35020/SB35025/SB35031 Desksets The system supports up
to 24 Desksets. The SB35025 Deskset supports Music on Hold and
overhead paging connections, and an AT&T DECT Cordless Headset.
The SB35031 Deskset supports an AT&T DECT Cordless Headset.
• CAT 5 LAN cables One per Deskset/Gateway is included.
• Power adapters for Gateways and Desksets (included). If your Local
Area Network (LAN) switch supports Power over Ethernet (PoE),
you can power the Desksets through the switch instead of using
adapters. Check your LAN switch specifications.
• LAN switch If using PoE to power Desksets, the switch ports must
provide PoE Class 2.
• Audio cables The audio in/out cable included with the SB35025
Deskset enables you to connect a Music on Hold source and an
overhead paging system. Additional audio cables are also required.
• An Internet connection is recommended to provide accurate system
time and enable software updates.
• Screwdrivers/hardware for wall-mounting/rack-mounting Syn248
devices. Gateway rack-mounting brackets and screws are included.
Connect the Telephone Lines to the Gateway
Connect telephone lines to the Gateway LINE ports using the supplied
cables. Ensure that the lines are configured as you ordered them from
your service provider, and that you have decided which lines will be
LINE 1, LINE 2, and so on for your Syn248 system.
If you subscribe to Digital Subscriber Line (DSL)
high-speed Internet service through your telephone
line, plug a DSL filter between each telephone line
with DSL service and the telephone wall jack.
Optional: Connect an analog phone to the BYPASS port for use during
a power outage. During a power outage, calls on the line connected to
Gateway LINE 4 are routed to the BYPASS port.
Do not connect power to the Gateway yet.
If your phone company provides you with Centrex service, see the
Syn248 Installation and Configuration Guide before proceeding.
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You can install the Desksets on a desktop or mount them on the wall.
• Desktop setup requires the Deskset stand, which provides two
positions: 45° and 60°. If wall-mounting or using the stand at 60°,
slide out, rotate, and replace the handset tab. The rotated tab
provides a hook to secure the handset.
• When wall-mounting the Deskset, connect the LAN cable and power
adapter first. Do not connect the LAN cable to the LAN switch yet.
• Connect the handset cord. Insert the coiled end into the Deskset
handset port (located on the side of the unit) and insert the longer
straight section into the handset.
• If not using PoE, plug the AC adapter into an electrical outlet not
controlled by a wall switch and the DC plug end into the Deskset
DC 5.1V port.
Connect a CAT 5 LAN cable from your LAN switch to the Network port
on the back of the Deskset.
You can also connect a PC to the PC port on the Deskset so that the
Deskset and PC share the same network connection.
It is not recomended to use the PC port for a computer required to run
network-intensive applications such as CAD, graphics, etc.
Install the Desksets
System Check Connect the Remaining Desksets
Wall-mounting
Handset tab
(under handset)
Handset cord
port (on side) Network port PC port AUX IN/OUT port (SB35025 Deskset)
for connecting Music on Hold
and/or overhead paging
Desktop installation
Connect the first Deskset to the LAN
When the Gateway finds the network and
another Syn248 device, the display changes from
“Synchronizing” to “Synchronized.” The red LINE
LEDs should turn off for each line you connected
in Step 3. This indicates that the lines have
calibrated to the Gateway. You can now make calls on those lines.
If your telephone service provider changes your line configuration
or you need to change Gateway LINE port assignments, you must
recalibrate the affected lines. To recalibrate, disconnect the affected
lines from the Gateway for 15 to 30 seconds, then reconnect them. The
LINE LED will flash for approximately 15 seconds, then turn off.
After synchronizing with the Gateway, the first Deskset connected to
the LAN displays “EXT 200” on its screen.
Connect the remaining Desksets to the LAN switch. Each Deskset will
be assigned an extension number in sequence: 201, 202, and so on. You
can change extension numbers and assign user names later.
SB35025 and SB35031 Desksets are also compatible with AT&T DECT
Cordless Headsets. After connecting all the Desksets, you can install
and register Cordless Headsets. Up to five Desksets can each have a
Cordless Headset, although this number can increase depending on your
office environment.
If your system includes a SB35025 Deskset, you can connect a Music
on Hold source and/or an overhead paging system using the supplied
audio in/out cable. This will provide Music on Hold and overhead paging
capability for the entire Syn248 system.
NOTE: To enable Music on Hold and overhead paging, you must
configure the system using the Syn248 WebUI. You can access the
WebUI using a computer connected to the Syn248 network. Any
computer connected to a Deskset PC port can access the WebUI.
For more details and complete system configuration information, see
the Syn248 Installation and Configuration Guide, available from
smbtelephones.att.com/product-support.
© 2012–2013 Advanced American Telephones. All Rights Reserved.
AT&T and the AT&T logo are trademarks of AT&T Intellectual Property
licensed to Advanced American Telephones, San Antonio, TX 78219.
Syn248® is a registered trademark of Advanced American Telephones.
Printed in China Issue 4.0 09/13
For customer service or product information, visit our web site
at smbtelephones.att.com or call 1 [phone].
In Canada, call 1 [phone].
Connect the Gateway to the LAN and AC Power
1. Connect a supplied CAT 5 LAN cable from your office LAN to the
Gateway LAN port.
2. Plug the AC adapter into an electrical outlet not controlled by a wall
switch and the DC plug end into the Gateway DC 5.1V port. Wait up
to one minute until the Gateway screen lights up.
The Gateway LINE LEDs will blink for up to 15 seconds while the lines
calibrate to the Gateway.
LAN Port DC 5.1V Port
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SB35020/SB35025 Deskset SB35031 Deskset