Hardware reference guide

Networking
35013379 11/2011 249
Specifications
The following table shows the specifications for the 140NRP95400 fiber optic
repeater module.
WARNING
UNINTENDED EQUIPMENT OPERATION
Do not exceed any of the rated values specified in the following tables.
Failure to follow these instructions can result in death, serious injury, or
equipment damage.
Specifications
General Specifications
Bus Current Required 700 mA
Power Dissipation (Typical) 5 W
Inrush Current 1 A typical @ 5 Vdc
Data Transfer Rate 1.544 Mb for remote I/O with Manchester encoded data
Bit Error ate
10
-9
over specified Optical Receiver Dynamic Range
Optical Interface ST-Type connector
Wavelength 820 nm
Power Loss Budget
(includes 3 dB of system
margin)
50/125 µm fiber –7.0 dB
62.5/125 µm fiber –11 dB
100/140 µm fiber –16.5 dB
Maximum Distance for
Point–to–Point Connection
2 km over 50/125 µm fiber @ 3.5 dB/km
3 km over 62.5/125 µm fiber @ 3.5 dB/km
3 km over 100/140 µm fiber @ 5 dB/km
Limits in Bus or Self-
Healing Ring
Configurations
12 fiber optic repeater modules with a maximum length of fiber
optic cables of 16 km (back-loop included in Self-healing ring
configuration).
NOTE: The maximum length is between the CRP module (the
farther one in a Hot Standby (HSBY) system) and the last CRA
module.
Coaxial Interface F type female connector with a right-angle F adapter connector
NOTE: Required torque to fasten the right-angle F adapter is
0.8...1.2 N.m (7.1...10.6 lbf-in).
Coaxial Termination Internal 75 ohms
Coaxial Shield Tied to ground
Coaxial Dynamic Range 35 dB
Coaxial Sensitivity 70 mV pk-pk max
Relay Diagnostic Rated at 220 Vac 6 A / 30 Vdc 5 A