Installation Notes
1. 86 bottom boxes are provided by the pre-embedded company, and the depth of the
bottom box is 57MM.
2. Tighten the bracket on the 86 cassette with bracket screws. (As shown in Figure 1)
3. Tighten the wires in the 86 cassette to the corresponding function of the main unit, then
insert the wiring sub into the terminal of the main unit, then put the main unit into the
hardware bracket, and then push it down. (As shown in Figure 2)
External interface description
1. TF card: plug in an external TF card.
2. MICROUSB: external U disk; for upgrading
3. Microphone: for voice pickup.
4. Built-in 2W small speaker.
5. Wired network.
6. Power terminal: connect to AC220V power supply.
7. 485 interface: Connect 485A+485B to control the background music through exter nal equipment
. You can also control other 485 devices through this host
8. Trigger playback: connect to GND+ON to trigger playback of music
9. Trigger the doorbell: connect to GND+DB to trigger the doorbell
10. Audio input line: audio line (three-core shielded line: commonly known as microp hone line),
RVVP2X0.5, RVVP2X0.75, connected to AUXL+AUXR+GND. External audio i nput.
11. Audio output: Audio cable (three-core shielded cable: commonly known as microp hone cable),
RVVP2X0.5, RVVP2X0.75, connected to OUTR+OUTL+GND, can be connec ted to other power
amplifiers.
12. Speaker: speaker cable (200 cores), RVH2X100, RVH2X200 connected to SPKL+SP KL-, the
speaker is less than 30W.
13. Speaker: speaker cable (200 cores), RVH2X100, RVH2X200 connected to
SPKL+SPKL-, the speaker is less than 30W.