User Manual
MN021-01 
Page 23 of 28 
20. Appendix B – Technical specifications 
TTFFAAFF  --  RREEMMOOTTEE  UUNNIITT      
Downlink   
Optical receiver  PIN photodiode 
Max allowed input optical power  < +3dBm 
Allowed input optical power under AGC  0dBm ..-3dBm 
Allowed optical input back reflection  > -36dB 
Optical input alarm threshold  <-5dBm 
Uplink    
Optical transmitter  Laser diode, class 3A (EN60825) 
Wavelength  1310 ± 10nm 
Output optical power  -1dBm typ. 
Max allowed RF input level   -15dBm (1 tone CW) 
RF interface 
Operating frequency band  See options & configurations table 
RF ports  2 
Connector  N-f 
Impedance 
50 Ω 
Return loss  > 10 dB 
Mechanical & environmental 
Dimensions (mm)  240h x 200w x 36d 
Weight  1.7 Kg max 
Colour  RAL 7035 
Power supply (negative supply)  -48VDC, 15W max 
Alarms   Major and minor led alarm (see manual) 
Temperature range Operating: 
 Storage: 
5 ÷ +40 °C 
-20 ÷ +65 °C 
MTBF  >200.000 h @25°C 
Compliance  UL-94; ETS300 019-1-3, class 3.1; EN55022 class B - EN60950, 
CE 
TTFFLLFF  --  LLOOCCAALL  UUNNIITT  
Downlink (1 section of 4)   
Optical transmitter  Laser diode, class 1 (EN60825) 
Wavelength  1310 ± 10nm 
Output optical power   +0dBm typical 
Max allowed RF input level   +27dBm (1 tone CW) 
Uplink(1 section of 4)   
Optical receiver  PIN photodiode 
Max. allowed input optical power  < +3dBm 
Allowed input optical power under AGC 
-1dBm ÷-4dBm 
Allowed optical input back reflection  < -36dB 
RF presettable gain reduction (PGR2)  0/5/10/15/20 dB 
Optical input alarm threshold  <-6dBm 
RF interface 
Operating frequency band  See options & configurations table 
Connector  N-f 
Impedance 
50Ω 
Return loss  > 12dB 
Mechanical & environmental 
Dimensions (mm)  240h x 200w x 36d 
Weight  1.7 Kg max 
Colour  RAL 7035 
Power supply (negative supply)  
-48VDC, 10W max 
power consumption with 4 TFAF (remote supply) < 80W 
Temperature range Operating: 
 Storage: 
5 ÷ +40 °C 
-20 ÷ +65 °C 
Alarms   Local led alarm (major or minor) 
Remote and optical link led alarm (major or minor) (see manual) 
Dry-contact major alarm 
Compliance  UL-94; ETS300 019-1-3, class 3.1; EN 60950 










