Optical Fiber Attenuation Module for dark and active fibers

The LANCIER Monitoring Rail-Module-Bus is a modular and robust sensor system.

Several measuring modules are mounted on a DIN rail and are directly connected to one another by means of plug-in contacts. The supply voltage, data analysis and control panel as well as their transmission to the remote measuring stations are carried out via the RM-Basic module.

The RM-Fiber module is a stand-alone measurement and monitoring device for dark and active optical fibers. It contains a laser diode and a power meter. The RM-Fiber module uses a spare optical fiber as a measurement loop which is being measured continuously. The monitoring of a fiber bet­ween two stations is provided by the use of two RM-Fiber modules. One is acting as a transmitter while the other acts as a receiver.

The thresholds for the attenuation values can be programmed with no restriction using an integrated keypad and the basic module’s display. All settings are saved in an internal EEPROM memory to prevent losses.
For the remote alarm system the RM-Fiber module possesses built-in dry output contacts. Additionally it can be connected to the ­LANCIER Tx-Bus, a Can-Bus or a telecontrol system via Modbus.

Ordering Data

Measuring module for optical fiber attenuation
with display and keys. Signal output via dry contacts.

Wavelength 1310 nm Multimode = 7
Wavelength 1310 nm Singlemode = 8
Wavelength 1625 nm Singlemode = 9

Fiber Connector SC/PC = 3
Fiber Connector DIN/PC = 4
Fiber Connector SC/APC = 5
Fiber Connector FC/APC = 6
Fiber Connector E2000 = 8
Fiber Connector FC/PC = 9
Other connectors upon request

Order-No. 074704.0WA

Power supply, communication and display module for the RM-Bus

Order-No. 074001.100
19" DIN rail for RM-Series,  3 HU
Order-No. 075416.000

Technical Data

Measurement range -9.9 .. 50 dB
Resolution0.1 dB
Supply voltageby RM-Bus
Displayby RM basic module
Signal LEDs1 x green/red: alarm/acknowledged alarm
1 x blue: LC display of RM basic module is active for this sensor
Signal outputs2 dry change-over contact for attenuation alarm
Max. switchable voltage / current100 V DC / 0,1 A DC
Operating temperature-20 °C .. +50 °C
Admissible ambient humidity0 .. 95 % rel. humidity, non-condensing
Dimensions RM-Fiber (W x H X D)108 x 62.2 x 89.7 mm