
Grandstream Networks, Inc.
126 Brookline Ave, 3rd Floor
Boston, MA 02215. USA
Tel : +1 (617) 566 - 9300
Fax: +1 (617) 249 - 1987
www.grandstream.com
In all EU member states, operation of 5150
- 5350 MHz is restricted to indoor use only.
GSC3510
SIP Two-Way Intercom Speaker
For Warranty and RMA information, please visit
www.grandstream.com
Quick Installation Guide

EN
The GSC3510 is not pre-congured to support or
make emergency calls to any type of hospital,
law enforcement agency, medical care unit
(“Emergency Service(s)”) or any other kind of
Emergency Service. You must make additional
arrangements to access Emergency Services. It
is your responsibility to purchase SIP-compliant
Internet telephone service, properly congure
the GSC3510 to use that service, and periodical-
ly test your conguration to conrm that it works
as you expect. It is also your responsibility to purchase traditional wireless or landline telephone
services to access Emergency Services.
GRANDSTREAM DOES NOT PROVIDE CONNECTIONS TO EMERGENCY SERVICES VIA THE
GSC3510. NEITHER GRANDSTREAM NOR ITS OFFICES, EMPLOYEES OR AFFILIATES MAY BE HELD LIABLE FOR ANY CLAIM, DAMAGE, OR LOSS, AND
YOU HEREBY WAIVE ANY AND ALL SUCH CLAIMS
OR CAUSES OF ACTION ARISING FROM OR RELATING TO YOUR INABILITY TO USE THE GSC3510
TO CONTACT EMERGENCY SERVICES, AND YOUR
FAILURE TO MAKE ADDITIONAL ARRANGEMENTS
TO ACCESS EMERGENCY SERVICES IN ACCORDANCE WITH THE IMMEDIATELY PRECEDING
PARAGRAPH.
OVERVIEW
GSC3510 is a two-way, full-duplex SIP intercom speaker featuring one 100Mbps
Ethernet port with PoE/PoE+, integrated dual-band 2.4G/5G Wi-Fi, integrated
Bluetooth, 3 directional microphones with Multichannel Microphone Array Design (MMAD), high delity 8W speaker and a multi-purpose input port supporting a wide range of peripherals. The state-of-art microphone array and Hi-Fi
speaker deliver full-duplex and full-band audio with pickup distance up to 4.2
meters. The built-in whitelist and blacklist features enables easy ltering of unwanted calls from the Internet. Its modern industrial design and rich features
make it ideal for classrooms, hospitals, apartments, dormitories and much more.
PRECAUTIONS
• Do not attempt to open, disassemble, or modify the device.
• Do not expose this device to temperatures outside range of 0 °C to 40 °C in operation and -10 °C to 60 °C in storage.
• Do not expose the GSC3510 to environments outside of the following humidity
range: 10-90% RH (non-condensing).
• Do not power cycle your GSC3510 during system boot up or rmware upgrade.
You may corrupt rmware images and cause the unit to malfunction.
PACKAGE CONTENTS
GSC3510
3x Screw (PA 3.5 x 20)
Metal Bracket
3x M3 NUT
Plastic Bracket
3x Plastic Expansion Bolt
1x Quick Installation Guide
1x GPL Statement
~1~ ~2~
3x Screw (PM 3 x 50)

GSC3510 PORTS
Port Description
Reset Factory reset button. Press for 10 seconds to reset factory
default settings.
NET/PoE Ethernet RJ45 port (10/100Mbps) supporting PoE/PoE+.
2-Pin port 2-pin multi-purpose input port.(switch action)
HARDWARE INSTALLATION
GSC3510 can be mounted on the wall or ceiling. Please refer to the following
steps for the appropriate installation.
Wall Mount
Ceiling Mount
1. Put the ceiling mounting (metal bracket)
in the ceiling’s center and mark the position of the three screw holes.
2. Drill a round hole with a diameter of
18mm for Ethernet cable. The distance
between its center and the highlighted
hole on the plastic bracket should be
35mm.
3. Fix the plastic and metal brackets on the
ceiling with at-head screws and locknuts.Then place an Ethernet cable pass
through the 18mm-round hole.
4. Align the position line on device’s back
cover with the positioning slot.
5. Rotate the device clockwise untill it is
locked on the right postion.
1, 2
Plastic
bracket
Metal
bracket
35mm
M3 nut
M3.0x50
3
screw
1. Locate the equipment holder on the desired position with arrow up. Drill three holes on the wall
referring to the positions of holes on the metal
bracket.
2. Fix the metal bracket on the wall by expansion
screws.
3. Align the position line on device’s back cover
with the positioning slot.
4. Rotate the device clockwise untill it is locked on
the right postion.
~3~ ~4~
Lock
Positionining slot
34
Positionining
slot
Lock
1
45
POWERING AND CONNECTING THE GSC3510
GSC3510 can be powered on using PoE/PoE+ switch or PoE injector using
following steps:
2
- Step 1: Plug a RJ45 Ethernet cable into the network port of the GSC3510.
- Step 2: Plug the other end into the power over Ethernet (PoE) switch or PoE
injector.
Network Port
RJ45 Ethernet Cable to Power over Ethernet (PoE) Switch or PoE injector.

ACCESSING THE CONFIGURATION INTERFACE
A computer connected to the same network as the GSC3510 can discover and
access its conguration interface using its MAC address :
1. Locate the MAC address on the MAC tag of the unit, which is on the underside
of the device, or on the package.
2. From a computer connected to same network as the GSC3510, type in the fol-
lowing address using the GSC3510’s MAC address on your browser:
https://gsc_<mac>.local
Example: if a GSC3510 has the MAC address 00:0B:82:11:22:33, this unit can
be accessed by typing https://gsc_000b82112233.local on the browser.
FCC Caution:
For more information, please download the GSC3510 User Manual from:
http://www.grandstream.com/support
~5~ ~6~