E1 fiber optic modem

E1 modems can connect the data one-port E1 or one-port RS232 to the optical interface. The equipment is wildly used in the mobile phone net station and FTTH interface parameters the VIP optical insert.

1. Features of E1 fiber optic modem

Realized one E1 transmitting over fiber in transparent mode
Allow the equipment to interoperate over V.35 fiber modem and Ethernet fiber modem
Realize one RS232 data transmitting in optical fiber line with 4800bps rate
Have a loop setting function and easy to open and test
Enable to manage networks and supervise equipment running and settings
Provide unbalanced 75Ω and balanced 120Ω E1 interfaces

2. Interface Parameters of E1 fiber optic modem

2.1 E1 Interface:
Support ITU-T G.703,G.704
HDB3 line coding, comply indication output of route warn
Coding rate: 2048Kbps±50ppm
75Ω physics interface use BNC standard coaxial connector, 120Ω physics interface use RJ45 connector

2.2 Optical interface:
Rate: 4.096Mbps±50ppm
Wavelength: 1310nm
Power of optical signal output: –2~-11dBm
Receipt sensitivity: better than –36dBm
Interface: FC
Interface mode: DCE

3. General characteristics of E1 fiber optic modem
Power: 220V±20%, -36 ~ -72V
Power Consumption : < 5W
Environment Temperature: 0℃-50℃
Size: 220×165×35mm
Net Weight: 900g

4.Packing List of E1 fiber optic modem
E1 Optical Modem
One Power cord (Note: -48v no with power cord)
Two BNCs Coaxial Connector
Manual book