Datalogic Dragon D131 Specifikace Strana 32

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DRAGON™ D131/M131
22
3.2.2 OM-3000 Master Layout
A. Host
B. OM-3000 Master cradle
C. OM-3000 Slave cradles
D. STARGATE™ base station
Example Multidrop STAR-System™ Network with OM-3000 as Master
In this layout an OM-3000 cradle acts as the Master. The Host is connected to the
OM-3000 Master using any one of the multi-standard interfaces (RS232, USB,
WEDGE, or PEN Emulation). The Master is then connected to the slaves in the RS485
network. In this way the slave cradles provide communications between a single Host
and all
readers in the system. STARGATE™ base stations can also be used as slaves
in this network. The devices at the ends of the network must be terminated (see par.
2.8.3).
See pars. 4.6 and 4.7 or the Datalogic Aladdin™ Help On-Line for system
configuration specifications.
Internal
Termination
Internal
Termination
RS485 + VDC
RS485 Only
USB, orRS232, or Wedge, or Pen Emulation
A
B
C
C
D
RS485 Only
CAB-428 Splitter
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