four-wire RS-485) and that it must be capable of ignoring or
otherwise accepting it
’
s own echoed transmission. Slaves
must also be able to accept data from previous slaves in the
loop.
7.0 Specifications:
Transmission Line:
Dual Single-mode optical cable
Point to Point Transmission:
Asynchronous, half
or full-duplex
Multi-Drop Transmission:
Asynchronous, half
duplex, master/slave, ring
Interfaces:
RS-232, RS-422, or RS-485
Data Rates:
RS-232 0 to 115.2Kbps
RS-422/485 0 to 115.2K
Distance:RS-485/RS-422 0-1.2KM
Typical Range:
Up to 20 KM on Singlemode glass
fiber
Coupled Power Budget:
12.1 dB
Optic Wavelength:
1310 nm
Connectors:
DB-25 female for serial connection, ST
connectors for fiber
Power Supply:
Requires 9
–
14 VDC @ 250 mA
max.
Dimensions:
6.3
”
L x 4.3
”
W x 1.25
”
H