
TruVision NVR 21(S/P) User Manual 147
Appendix D
KTD-405 keypad
Supported firmware
21XX-YYY firmware 1.i or higher
-405U (-2DU) keypad firmware: 1.4.00
Note: XX represents the number of video channels
YYY represents the recorder 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(P) Keyb A/B terminal
port.
Table 22: Keypad and recorder connections
-405 I/O box TVN 21(P) connection
-485 A Keyb A
-485 B Keyb B
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