User Manual

Table Of Contents
TruVision NVR 21 User Manual 137
Appendix D
KTD-405 keypad
Supported firmware
TVN
21XX-YYY firmware 1.i or higher
KTD
-405U (-2DU) keypad firmware: 1.4.00
Note: XX represents the number of video channels
YYY represents the NVR storage configuration such as 1T = 1 TB, etc.
Wiring the keypad
Connect the RS-485 bus of the KTD-405 I/O box to the TVN 21 Keyb A/B
terminal port.
Table 20: Keypad and NVR connections
KTD
-405 I/O box TVN 21 connection
RS
-485 A Keyb A
RS
-485 B Keyb B