User manual

First Start > Connectors

Manual for C11

e) GPIO (Opto In/Relay Out)

This general purpose interface at 15 pin D-Sub (DE15) female connector

supports 4x Opto In/ 4x Relay Out and can be used e.g. for far-end switching

functionality. GPIO interface is also required for remote control/monitoring of the

MAYAH Redundant Power Supply C11 RPSU. Consult the technical manuals at

www.mayah.com/support/support-downloads.php or contact MAYAH

communications for pin layout.

f) Power supply connector

Special Hirose HR10 port for C11 AC/DC power supply or MAYAH RPSU12. Use

only an original MAYAH C11 power supply. MAYAH is not liable for damages

caused by none-MAYAH equipment.

2.3

LEDs

LEDs: all models except C1135, C1155 LEDs: C1135, C1155

Level LEDs

Scale between 0 dBFs and -42 dBFs

a) Audio In (all models except C1135, C1155)

b) Audio Out (all models)

Status LEDs

a) Power

b) Framed

Valid audio data is received and being decoded.

c) Connect

At all communications interfaces except ISDN this means 'audio data is being

sent out'.

At ISDN this means 'ISDN connection is established'.