User Manual

EtherSound ES881, ES1241 & ES16161
Ethernet Audio Bridges
7
3. GPIO connectors
These terminal blocks allow setup of external control and monitoring devices through configurable and
protected General Purpose Inputs and Outputs. See dedicated GPIO chapter for details.
Note: the GPIO port is managed by configuration software only.
4.
Serial port
RS232 interface on DB9.
Note: The RS232 serial port management requires specific software.
5.
Word clock synchronization
Two female BNC connectors , ‘Word Clock In’ and ‘Word Clock Out’, allow synchronization with an
external clock. For more details see the corresponding chapter.
6.
Ground
Connect this ground bolt to the chassis of the mounting rack for a better grounding of the electronics, thus
ensuring immunity to electromagnetic interference.
7.
Power supply
Power plug MUST be earthed properly.