MS-775 NetWork Interface
Specifications
- General Purpose I/O:
- (4) Discrete Inputs
- (4) Discrete Outputs
- Serial Communication:
- (1) RS-232 Connection
- Audio:
- (1) Balanced Audio Out
- (1) Amplified Speaker Audio Out
- (1) Mic Audio In
- Remote Power:
- (2) 24 V Out
- Power: PoE+
- Interfaces:
- Remote Port (RMTCTRL)
- Wall Plate Audio (WPA) Port
- IO Output Port: Output 3, Output 4
- IO Input Port: Input 3, Input 4
- USB Port (for service only)
Product Usage Instructions
1. Installation
Physically install components in the room, such as speakers
and/or AV Touch Wall Control.
2. Dongle Connection
Confirm the dongle is connected to the USB port.
3. Power On
Turn the amplifier on by connecting to PoE+.
4. System Setup
Start EPIC System, update the firmware, and continue the setup
using the EPIC System software.
Configuration Set Up in EPIC System
Follow the instructions in the EPIC System Admin Manual –
Managing Devices. Click or Scan QR code to access.
FAQ
Troubleshooting
Reboot
Press and hold the Reboot button for 5 seconds.
Factory Reset Procedure
Press and hold the Factory Reset button until the Activity
Indicator flashes green (10 seconds) and then release.
Rescue Mode
Press and hold the Reboot button until the Activity Indicator
illuminates red (15 seconds) and then release. Or disconnect PoE+
power, press and hold the Reboot button while applying PoE+
power.
No Audio
If there is no audio going through the speakers (bells, paging,
intercom) check the audio output to see if there is any audio
passing through there. This can be done by connecting a pair of
wired headphones to the audio out of the MS-775 and playing audio
through the MS-775. If you hear audio through the headphones, it is
most likely not a problem with the MS-775, and related to the
speakers or speaker wiring.
MS-775 NETWORK INTERFACE
QUICK START GUIDE
PoE+ RmtCtrl Reboot/Factory Default
Discrete Outputs 3 and 4
USB Port WPA-70x Discrete Inputs 3 and 4 Speaker Out Unit Status GPIO Status
DESCRIPTION
The MS-775 Network Interface for SAFE Alert Extender is a fully integrated networked paging interface, ideal for delivering audio in small rooms. It supports network-based intercom, paging, and emergency notification, with an intuitive, easy-to-install design. Powered by Power over Ethernet+ (PoE+), it enables full-duplex SIP communication, and when connected to an Uninterruptible Power Supply (UPS), it ensures paging remains operational during power outages or emergencies. The MS-775 can be integrated into the EPIC (Education Paging & Intercom Communications) System®, the SAFE (Signal Alert For Education) System®, or other compatible building systems. Unlike the MS-720, which focuses on standard intercom and paging functions, the MS-775 also supports non-paired alerts from the XD Teacher Microphone and XD Alert Badge, enhancing its effectiveness for emergency communication.
FUNCTIONAL SUMMARY
GENERAL PURPOSE I/O
·
(4) Discrete Inputs
·
(4) Discrete Outputs
SERIAL COMMUNICATION
·
(1) RS-232 Connection
AUDIO
·
(1) Balanced Audio Out
·
(1) Amplified Speaker Audio Out
·
(1) Mic Audio In
2
REMOTE POWER
·
(2) 24 V Out
POWER
·
PoE+
INTERFACES
REMOTE PORT (RMTCTRL)
·
Audio Out (Balanced)
·
RS-232
·
24 V DC
·
(1) Mic In (Balanced)
WALL PLATE AUDIO (WPA) PORT
·
Connects to the ITC2
IO OUTPUT PORT
·
Output 3
·
Output 4
IO INPUT PORT
·
Input 3
·
Input 4
USB PORT (FOR SERVICE ONLY)
RESET BUTTON
LEDS
Ready
·
Green – Powered on
·
Red – Booting
Activity
·
Off – No active event
·
Red – Active event
GPIO (General Purpose I/O)
·
Yellow – Input active
·
Blue – Output active
·
White – Input & output active
SPEAKER CONNECTION
·
Speaker Out
ETHERNET
·
PoE+ Port
3
PROCESS
1.
Physically install components in the room, such as speakers and/or AV Touch Wall Control.
2. Confirm dongle is connected to USB port.
3. Turn the amplifier on by connecting to PoE+.
4. Start EPIC System, update the firmware, and continue the setup using the EPIC System software.
CONFIGURATION SET UP IN EPIC SYSTEM
Follow the instructions in the EPIC System Admin Manual – Managing Devices. Click or Scan QR code to access.
4
CONNECTOR DETAILS
WPA Remote Control
RMTCTRL PORT
1 2 3 4 5 6 7 8
+Line Level Output -Line Level Output RS-232 – TXD +24 V DC GND RS-232 – RXD +Mic In -Mic In
WALL PLATE AUDIO
+Mic In
1
-Mic In
2
I/O In #1 (Call)
3
4
+24 V DC
5
GND
6
I/O In #2 (Emergency)
7 8
I/O IOut #1
I/O IOut #2
5
TROUBLESHOOTING
REBOOT
Press and hold the Reboot button for 5 seconds.
FACTORY RESET PROCEDURE
Press and hold the Factory Reset button until the Activity Indicator flashes green (10 seconds) and then release.
RESCUE MODE
Press and hold the Reboot button until the Activity Indicator illuminates red (15 seconds) and then release. Or disconnect PoE+ power, press and hold the Reboot button while applying PoE+ power.
NO AUDIO
If there is no audio going through the speakers (bells, paging, intercom) check the audio output to see if there is any audio passing through there. This can be done by connecting a pair of wired headphones to the audio out of the MS-775 and playing audio through the MS-775. If you hear audio through the headphones, it is most likely not a problem with the MS-775, and related to the speakers or speaker wiring.
DC-41101.0625
AudioEnhancement.com · 800.383.9362
Documents / Resources
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Audio Enhancement MS-775 NetWork Interface [pdf] User Guide MS-775, MS-775 NetWork Interface, MS-775, NetWork Interface, Interface |