RT-370 User Guide
Page 24 (34)
4.6 Connecting the Fiber Optical Cable
The fiber optical Ethernet interface is a 1310nm single mode optical interface. The optical connector is an ODC-2
type.
Figure 14 Fiber optic ETH interface
Pin
Signal Name, Function
Notes
1
TX (transmitting)
Connector Type: H&S ODC-2
2
RX (receiving)
Table 15 Pinning: Fiber optic ETH connector
Parameter
Value
Notes
Wavelength
1310 nm
Transmit Power
-9.5 dBm … -3 dBm
Receiver Sensitivity
-20 dBm or better
Receiver Saturation
-3 dBm
Optical attenuators need to be added to the installation if the
optical level is above this limit
Table 16 Fiber optic ETH specification
Order of Installation Step
Description
1. Remove dust cap
Remove the temporary plastic dust cap installed at the ODC-2 plug. Do not remove
the dust cap before installing the cable. The dust cap is used for transportation
phase only, and shall be correctly disposed by installation person.
2. Clean connector
The optical interface and the fiber optic cable may need to be cleaned with
isopropyl alcohol and a cleaning tissue.
3. Install the cable
Install the fiber optic cable to the connector. Use correct torque (typically 100 Ncm,
check connector manufacturer data).
Table 17 Installation procedure, installing fiber optical cable