Multiple modes
Warning: It is possible to configure a NAC to operate in one mode and still
connect to it via one of the other modes. Programming commands will always be
accepted and processed by the NAC. This may cause conflicted or incorrect
programming in the NAC.
For example, it is possible to connect a NAC in IP Direct mode to a
ChallengerPlus panel and attempt to program it in IP Extended or Classic mode.
Programming commands issued via the LAN will be accepted and processed by
the NAC.
Doors
The Network Access Controller supports up to eight doors in all modes.
If the NAC is connected to a ChallengerPlus panel (i.e. in IP Extended or Classic
mode), then the NAC can support up to eight doors. The doors are numbered
from 17 to 64 or from 81 to 128, depending on which ChallengerPlus system LAN
the NAC is connected to.
NACs may use the first 12 addresses on each ChallengerPlus system LAN.
Table 2 below lists the LAN number, the address of the NAC (set via the NAC’s
DIP switches), the DGP number that the NAC is polled as, the ranges of door
numbers for 4 Doors and 8 Doors Modes.
If 8 Doors Mode is selected, no door-type DGPs (E.g. NAC, DWI, 4DC, 4LC) can
be polled in the next DGP address. (E.g. NAC with 8 doors mode addressed as
DGP 1, next NAC can only be addressed from DGP 3 onwards)
Standard type DGPs such as TS1020, TS0820, TS1025 and 4 inputs DGP can
still be polled in the next DGP address if NAC is configured with 8 Doors Mode.
Table 2: Door numbers per DGP address