ASM500 combines the functions of the Red/Green On Air switch with those of the Automatic Studio Monitor Mute, in the digital format "AES / EBU". It directly controls RGL260 (Red/Green indicators) and RGL500 ("On Air" visual display) interfaces to indicate the ON AIR/OFF AIR function.

Two types of Led visual displays can be interfaced with ASM500:

• RGL260, RED/GREEN 20mm diameter LED visual displays.
• RGL500, red LED "ON AIR" visual display.

RGL260 and RGL500 operate under 24V, order voltage is supplied by ASM120D on a pin female DB-9 connector.

ASM500 is a case of " SLIMRACK " type. FRT200 adapter to mount one or two cases of this type, the 19 "rack unit 1.

• FRT300: Cover plate for FRT200.