Picture Perfect 4.6 User Manual - UTCFS Global Security Products

Chapter 8
Device management
137
Table 57. Dial-Up micro downstream support
Dial-Up micro
Micro/5-PX
M/PX-2000
Downstream support
Micro/5-PXN
M/PXN-2000 DirecDoor PXNPlus
Micro/5-PXN with dial-up
Yes No Yes Yes
M/PXN-2000 with dial-up 1
1. If the network connection fails and the micro has the dial-up option, it behaves as a dial-up Micro/5-PX after it connects to the host for the first
time.
There are events that cause the micro to automatically dial up the host and there are events (usually
operator activities such as updates or commands) that cause the host to automatically dial up the
micro.
Table 58. Events requiring micro-to-host calls
Event
Power-on Reset
Alarm
Alarm and Badge
Threshold
Badge Table Request
Micro to host response
After a power-on reset, the micro reads its DIP switch settings to determine its attached
modem type and the required baud rate for communication to the modem, assumes that the
modem is connected to the host port, and then tries to dial the host (using the modem’s hardcoded
phone number).
The micro immediately dials the host when a priority micro alarm activates. Immediate Dial-
Up is user-defined. See Immediate Dial Required on page 116.
The micro dials the host when the micro’s alarm or badge history buffer reaches its threshold
(user-defined) and requires uploading to the host.
The micro dials the host when there is no micro database record for a badge just presented
to a reader. The micro’s resident database reduces the requirement for micro-to-host calls for
badge records.
Table 59. Events requiring host-to-micro calls
Event
Database Updates
Outputs and Output Group
Commands
Host to micro response
The host dials out to send database updates to micros. Whether the host does this
automatically, never, or on request is user-defined for each individual micro. For micros
that do not require immediate updates, the host stores the updates until the next host-tomicro
or micro-to-host call occurs and then downloads the new records.
The host dials the micro immediately whenever the operator changes the state of an
output or output group on that micro.
Note:
For details that show how an operator can command state changes and control
outputs using input groups, output groups, or selected outputs, see Figure 109,
Control Output Groups on page 258.
Operator-generated
Commands
The host allows the operator to dial any micro in the system to check the status. See
Monitoring status on page 268.