Classic mode
Classic mode can be used for direct upgrade of a V8 Four-Door Controller with
minimal programming changes. In addition to access control, the NAC provides
alarm control functionality in conjunction with a ChallengerPlus panel.
The NAC is polled as a DGP on one of the ChallengerPlus system LANs.
Figure 3: Classic mode
In this mode, management software downloads configuration (users, door
groups, etc.) to the ChallengerPlus panel. The ChallengerPlus panel distributes
the configuration to the NAC via the RS-485 LAN.
Since the ChallengerPlus is responsible for the distribution of users, door groups
etc. to the NAC, the numbers allowed are limited, as shown in Table 1 on page 7.
History events, alarms, and NAC status are sent from the NAC to the
ChallengerPlus panel.
Note: Inputs will only register alarms in the ChallengerPlus panel if they are
mapped to ChallengerPlus inputs. See the “Input and relay mapping” section on
page 21 for information on ChallengerPlus input mapping.
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