Interlogix NVR 50 User Manual - Manual (Page 12)

1BChapter 2: Installation
6 TruVision NVR 50 User Manual
Figure 2: RS-485 bus serial wiring (KTD-405 keypad shown)
1. Keypad
2. I/O box 3. See section “RS-485 ports” on page 8
Use an RS-485 signal distributor for a star wiring configuration. See Figure 3 on
page 6.
Figure 3: Star wiring with RS-485 signal distributor
Correct:
1. Keypad
2. I/O box 3. RS-485 distributor
4. See section “RS-485 ports” on page 8