CMOR Dome
Videoswitch Page
8
Vc607a.doc
3.1.3 Clear
Address
If the address of a dome has been set but needs changing, you either need to
•
Communicate with it using its currently set camera address or
•
Use up-the-coax control.
Enter the
Address
menu, then the the
Clear Address
option to delete the address. The
dome will then respond to all addresses again.
3.1.4 Reset
Address
If you wish to clear the addresses of
all
connected domes, do the following:
Issue five
SET Preset 90
commands in succession, not more than 5 seconds apart. This
will reset the dome address of
all connected domes.
3.1.5 Termination
Termination of the RS485 in the dome is normally set ON.
If you do need to turn the termination of a dome OFF, enter the dome
Setup
menu and turn
the termination off.
•
If you are using a star expander (eg. Videoswitch Vi-E2) to drive multiple domes all
domes should be have termination ON. This is the recommended method of
connecting to multiple domes.
•
If you are using an alarm module, termination in the dome should also always be
ON.
•
If you are daisy-chaining domes without alarm modules, for all except the last in the
daisy chain, you will need to turn the termination OFF. The dome at the end of the
daisy chain must have its termination ON.
•
If you are daisy-chaining domes with Vi-AL1A alarm modules, make sure the
termination of all domes is ON. The Vi-AL1A alarm module always terminates the
RS485.However, it provides an active output which regenerates the RS485 signal,
so use this to connect to the next dome in the chain.
