Overview
The GSC3516 is a SIP intercom speaker and microphone that allows offices, schools, hospitals, apartments, and more to build powerful voice intercom solutions that expand security and communication. This robust SIP intercom device offers 2-way voice functionality with both a high-fidelity 15W HD speaker and 3 directional microphones with Multichannel Microphone Array Design (MMAD) and 1 omnidirectional auxiliary microphone that offers a 4.2-meter pickup distance. The GSC3516 supports a wide range of peripherals including Bluetooth devices, a built-in whitelist, and blacklists to easily block unwanted calls, integrated dual-band Wi-Fi, and advanced acoustic echo cancellation. By pairing the GSC3516 with other Grandstream devices, including desktop and cordless IP phones as well as the GDS series of Facility Access products, users can easily sculpt a state-of-the-art security and voice intercom solution. Thanks to its modern industrial design, a cleanable exterior surface, and rich features, the GSC3516 is the ideal intercom speaker/microphone for any setting.
• Do not attempt to open, disassemble, or modify the device.
• Do not expose this device to temperatures outside range of 0 °C to 45 °C in operation and -10 °C to 60 °C in storage.
• Do not expose the GSC3516 to environments outside of the following humidity range: 10-90% RH (non-condensing).
• Do not power cycle your GSC3516 during system boot up or firmware upgrade. You may corrupt firmware images and cause the unit to malfunction.
Package Contents
GSC3516 Ports
Port | Label | Description |
 | Reset | Factory reset button. |
 | NET/PoE | Ethernet RJ45 port (10/100Mbps) supporting PoE/PoE+. |
 | 2-Pin port | Ethernet RJ45 port (10/100Mbps) supporting PoE/PoE+. |
Hardware Installation
GSC3516 can be mounted on the wall or ceiling. Please refer to the following steps for the appropriate installation.
Wall Mount
- Locate the equipment holder in the desired position with the 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 with expansion screws.
3. Align the position line on the device’s back cover with the positioning slot.
4. Rotate the device clockwise until it is locked in the right position.
Ceiling Mount
- 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 the 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 flat-head screws and locknuts. Then place an Ethernet cable pass through the 18mm-round hole.
4. Align the position line on the device’s back cover with the positioning slot.
5. Rotate the device clockwise until it is locked in the right position.
Anti-theft Installation
After the device is assembled with the metal bracket support on the wall or ceiling, use the anti-detachable screw (M3 x 50) in order to prevent theft.
Powering and Connecting GSC3516
GSC3516 can be powered on using PoE/PoE+ switch or PoE injector using the following steps:
Step 1: Plug an RJ45 Ethernet cable into the network port of the GSC3516.
Step 2: Plug the other end into the power over Ethernet (PoE) switch or PoE injector.
It is recommended to use PoE+ power supply to achieve the best audio effect.
Connecting Wiring Seat
GSC3516 support connecting a “Key & LED” or “Normal Key” to the 2-pin port via Wiring Seat.
Step 1: Take the wiring seat from the install kits.
Step 2: Connect the Key & LED or Normal Key with the wiring seat (as shown in the illustration on the right).
This port supports the parallel connection of an incandescent lamp (with less than 1W) or an LED lamp (with less than 100mA).
Accessing the Configuration Interface
A computer connected to the same network as the GSC3516 can discover and access its configuration interface using its MAC address :
- Locate the MAC address on the MAC tag of the unit, which is on the underside
of the device, or on the package. - From a computer connected to the same network as the GSC3516, type in the following address using the GSC3516’s MAC address on your browser: http://gsc_<mac>.local
Example: if a GSC3516 has the MAC address C0:74:AD:11:22:33, this unit can be accessed by typing http://gsc_c074ad112233.local on the browser.
The GSC3516 is not pre-configured 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 an SIP-compliant Internet telephone service, properly configure the GSC3516 to use that service, and periodically test your configuration to confirm 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 GSC3516. 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 GSC3516 TO CONTACT EMERGENCY SERVICES, AND YOUR FAILURE TO MAKE ADDITIONAL ARRANGEMENTS TO ACCESS EMERGENCY SERVICES IN ACCORDANCE WITH THE IMMEDIATELY PRECEDING PARAGRAPH.
For Certification, Warranty, and RMA information, please visit
www.grandstream.com
