Milstar Summing Device – Aircraft
The MSD-A provides Milstar Secure Voice Conferencing in support of the National Command Authority mission. A remote MSD feature is available to allow two MSDs to be connected across a fiber optic link. The dual MSD configuration provides a mechanism for remotely monitoring audio and controlling the primary MSD for system redundancy/recovery.
The MSD has four primary functions:
- Supplements the conferencing abilities of a switch connected to ADI
- Provides remote access to conferences at another MSD
- Provides the ability to remote a Call Box from a TAC
- Provides two RS-422 RCH ports
Features
- Ten 4W audio channels with adjustable gain
- Four ADI RS-232 interfaces
- Six Standard Type II E&M/RS-232 or four SVSA interfaces
- Five speaker outputs (1W into 8 ohms)
- Four call box interfaces
- Two RCH interfaces
- Front-panel LCD and keypad for local MSD configuration
- Fiber-optic link for remote output of NET and switch port audio and remote control of local MSD NET ports
