B22-type box B-L5J, B4-Y9V, B-T8H, B-G268 module Function
Voice telephone: telephone one or two into the seven into six, through the switch to control voice calls.
Data Computer: broadband switch module build four computers networked 10/100M LAN, Internet access, printers and other resource sharing.
Power supply: Dual voltage DC7.5-9V DC power supply.
Cable: provides a six into five television interface.
Monitor: Provides two entered a coaxial connector for video and surveillance systems.
Weak signal: Provides 8 weak signal terminals. As water, electricity, gas, heat meter-reading systems, home security, building intercom and other equipment connected between the signal contacts.