Multitech BL-Series Specifiche Pagina 40

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Sign Communications Details
Sign Communication Details
Once you have chosen the typs of sign that you are configuring the choice of communications mechanism is
limited by two things:
The available communication systems for the type of sign
The available modems configured on your system at installation time
When you select the Communications tab for the sign, you will presented with a list of modems to choose
from. A SIESPACE instation can support up to 6 modems or channels without additional hardware. The
modems are configured to run with only one type of protocol, i.e. you cannot run SIEMENS UVMS and
Varitext FP2001 on the same channel - as some devices may not be able to correctly distinguish the
protocols. You should take care when allocating devices to communications modems, as some modems
may have different geogrpahical scope - even if they support the same protocol - this is because they may
be connected to radio base stations miles away from each other.
Available Communication Systems
The current signs and communication systems supported on the system are:
VMS
Communications
Protocol/Interface
SIEMENS
UVMS
NMCS2
5 Byte
Varitext
FP2001
EEV
RDT Radio
Modem
*
* (not
advised)
* *
Leased Line * * * *
Hardwire RS485 * * * *
PSTN Modem *
*
PAKNET Radio
PAD
*
*
Rotating Prism
Communications
Protocol/Interface
SIEMENS OTU
Handset
file:///A|/html/sign_comms.htm (1 of 2) [27/06/2001 20:45:46]
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