DHODT-E+ is modular integrated LCD fiber optical multiplexer with 4 slots and 2xEthernet which can be installed different modules,like 4*E1,RS232,Ethernet,FXO/FXS..ect. 1+1 redundancy backup of optical path protection and SNMP optional.

DHODT-E+ Series of The Modular Integrated Optical Transmission Multiplexer is created with a 16×E1+10/100M auto-negotiating Ethernet capacity of transmission interfaces. The equipment also provides various interface modules for voice, data and video services in cities and industrial districts. Its optional interfaces support multi-service transmission of large customers and customer groups such as MSEs, governmental organizations, schools and intelligent residential areas. Open and standard interfaces are applied to guarantee prompt interlinking of various devices

*Provider 4 slots for modules and 2 10/100M Ethernet interface with LCD
*Various functional modules:E1,V.35,FXO/FXS,RS232/RS485,Ethernet, order wire module, NM module, alarm output terminal module
*Flexible configuration:4/8/12/16E1
*Support ALS (Automatic Laser Shutdown) function
*Double optical port optional for 1+1 protection
*Support the local/remote E1 loop back
*Internal management agent
*SNMP via Ethernet interface
*Power supply:DC -48V, AC 220V,DC -48V & AC 220V
*Provide with remote failure alarm detecting function (optional)
*Comprehensive LED indicators on front panel,convenient for the diagnosis of equipment

Optical interface
Line Bit Rate：150 Mbit/s
Line Code Type：4B5B
Optical Source：LD
Output Power：≥-9dBm
Receiver Type：PINFET
Receiver Sensitivity：≤-35dBm(BER ≤10-11)
Type of Optical Connector ：FC/SC
Focus Wavelength：1310/1550 nm

Electrical interface
Interface Bit Rate：2.048Mbit/s ±50ppm
Max. Transmission Rate：150Mbit/s
Different interface types can be selected and
comply with corresponding interface standards

Structure & Dimensions
Standlone Type(19”): 440mm(W)×43.5mm(H)×220mm(D)
Weight： < 4.0 kg
Rack Type：EIA 19” Rack

Service Card
4*E1 interface card (75ohm)
4*E1 interface card (120ohm)
2*V.35 interface card
4*V.35 interface card
4*RS422/RS485 interface card
4*FXO/FXS Voice Channel interface card
8*FXO/FXS Voice Channel interface card
2M Ethernet interface card
1+1 fiber protected card

Assistant Function
SNMP management interface (RS485)
Orderwire Phone interface
Output of Alarm interface
RS232/RS485 data interface
Double Power (AC 220V and DC -48V,double AC 220V, double DC -48V)