17.7
Data communication interfaces
Table 388:
Ethernet interfaces
Ethernet interface
Protocol
Cable
Data transfer rate
100BASE-TX
-
CAT 6 S/FTP or better
100 MBits/s
100BASE-FX
TCP/IP protocol
Fibre-optic cable with
LC connector
100 MBits/s
Table 389:
Fibre-optic communication link
Wave length
Fibre type
Connector
Permitted path
attenuation
1)
Distance
1300 nm
MM 62.5/125
μm glass fibre
core
LC
<8 dB
2 km
1) Maximum allowed attenuation caused by connectors and cable together
Table 390:
X8/IRIG-B and EIA-485 interface
Type
Protocol
Cable
Screw terminal, pin row
header
IRIG-B
Shielded twisted pair cable
Recommended: CAT 5, Belden RS-485 (9841-
9844) or Alpha Wire (Alpha 6222-6230)
Screw terminal, pin row
header
Shielded twisted pair cable
Recommended: DESCAFLEX RD-
H(ST)H-2x2x0.22mm
2
, Belden 9729, Belden 9829
Table 391:
IRIG-B
Type
Value
Accuracy
Input impedance
430 Ohm
—
Minimum input voltage
HIGH
4.3 V
—
Maximum input voltage
LOW
0.8 V
—
Section 17
1MRK 505 277-UUS C
Technical data
452
Technical Manual
Summary of Contents for REB650
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