E1/FE1 Optical Modem;Ethernet Fiber Modem      

Specification:    

1) Having two row of LEDs, upper row indicate local status, lower row indicate remote status and alarm status.                            
2) Based on self copyright IC, high software content                       
3) Realize take out specified time-slots to compose N*64k(N=1-32) data channel.          
4) Provide 3 loop functions: Local loop(ANA), to remote loop(DIG), order remote loop(REM). 
5) Have pseudo random code test function, easy the installation and maintenance.     
6) Realize rate setting of remote equipment (in slave clock status) when local equipment is in master clock status.                                           
7) E1 fiber modem can be used with V. 35 fiber modem by pair, saved 1 G. 703/V. 35 converter.                                        
8) Power supply: AC220V, DC-48V. The positive and negative terminal can be exchanged for DC-48V, easy for installation and maintenance.                                  
9) Network manager interface use SNMP                       

E1 interface:   
Interface Rate: N*64k                                     
Coding: HDB3 
E1 Impedance: BNC 75Ω(unbalance) and RJ45 120Ω(balance).                  
Interface character: Match G. 703   
Jitter tolerance: According with G. 742 and G. 823.           

Fiber interface:       
Interface: FC/SC          
Wavelenth: 850nm/1310nm multi-mode, 1310nm/1550nm single mode.     
Transmit distance: 2 Km multi-mode, 40 Km/60Km/120Km single mode.