ABB REC670 Product Manual page 103

Bay control REC670 2.2
Product version: 2.2.1
Remote communication
Table 140. Line data communication module
Characteristic
Type of LDCM
Type of fiber
Peak Emission Wave length
Nominal
Maximum
Minimum
Optical budget
Graded-index multimode 62.5/125 mm
Graded-index multimode 50/125 mm
Optical connector
Protocol
Data transmission
Transmission rate / Data rate
Clock source
*) depending on optical budget calculation
**) C37.94 originally defined just for multimode; using same header, configuration and data format as C37.94
ABB
Range or value
Short range (SR) Medium range (MR)
Graded-index Singlemode 9/125
multimode 62.5/125 µm
µm
Graded-index
multimode 50/125
µm
820 nm 1310 nm
865 nm 1330 nm
792 nm 1290 nm
13 dB (typical 22 dB (typical
distance about 3 distance 80 km/50
km/2 mile *) mile *)
9 dB (typical distance
about 2 km/1 mile *)
Type ST Type FC/PC
C37.94 C37.94
implementation **)
Synchronous Synchronous
2 Mbit/s / 64 kbit/s 2 Mbit/s / 64 kbit/s
Internal or derived Internal or derived
from received signal from received signal
1MRK 511 404-BEN A
M12756-1 v10
Long range (LR)
Singlemode 9/125
µm
1550 nm
1580 nm
1520 nm
26 dB (typical
distance 110 km/68
mile *)
Type FC/PC
C37.94
implementation **)
Synchronous
2 Mbit/s / 64 kbit/s
Internal or derived
from received signal
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