Optical budget 15dB typical
Distance Between FOEs with standard cables 10 km
Module mounting options
l IOTA
l DIN rail (with user supplied power)
Fiber optic ports 2
Power options Series C - IOTA
External power system (DIN rail mounting option)
Power supply options 18 to 30VDC with a maximum of 127mA per terminal block
Ambient temperature Operating: -40 to +85 degrees C
Storage : -40 to +85 degrees C
Relative humidity 5% to 95% RH (non-condensing)
Fiber type Single Mode
l Fiber core diameter - 9um
l Fiber cladding diameter - 125um
l Connector type - SC
13.5.3 Single mode FOE installation
This equipment may be mounted in a hazardous area, in which case it must be installed, operated
and maintained by competent personnel. Such personnel shall have undergone training, which
included instruction on the various types of protection and installation practices, the relevant rules
and regulations and on the general principles of area classification.
The SM FOE may be mounted in a safe area, a Zone 2 or a Class I, Division 2, Groups A-D T4
hazardous area.
13.5.4 Mounting the single mode FOE on the DIN rail
It is assumed for the purposes of these installation instructions that the mounting channel is
already fitted in a cabinet or enclosure that already provides a suitable environment for the IOTAs
and their associated equipment. Such an environment will be suitable for the SM FOE and its IOTA.
The following mounting instructions may be used for purposes of mounting FOE / IOT
