Spec：

• ● Power source：two set be used DC 12V 、one set be used AC 24V
• ● Contact：3 set COM、NC、NO contact
• ● Material ：A B S plastic
• ● Dimension：95mm ×62mm ×29mm

Function：

• ● 1.The function is shifted image signal and AC door receive transfer DC door release、then return PT lamp to AC power source.
• ● 2.The digital switch has 3 RF socket and a 10pin connecting wire.
• ● 3.The digital switch allot to cc-19B or cc-19c for each use.
• ● 4.The digital switch cc19a operates with digital intercom system.