|
|
|
|
|
|
|
|
| Name︰ | E1 multiplexer |
| Model No.︰ | NT-120/240/480 |
| Brand Name︰ | N-net |
| Country of Origin︰ | China |
|
|
|
Advanced and compact design that performs E1 multiplexing & de-multiplexing and provides a 16.896Mbit/s optical interface in a single unit.
Built-in AC/DC or DC/DC converter and supervisory microprocessor
Digital clock data recovery for E1 signal
Provides visible and audible alarm indication
Low power consumption
Order wire channel for end to end installation and maintenance
Auxilary data channel in optical line code
Centralized network management with the Topone NMS
High reliability
Flexible installation in various mechanical constructions.
Technical Specification
◆ Electrical (E1 interface)
Channel capacity: 4 channels
Bit rate: 2.048Mbps±50ppm
Line code: HDB3
Nominal impedance: 75Ω unbalanced / 120Ω balanced
Jitter character: ITU-T G.742,G.823 compliant
◆ Optical
Bit rate: 16.896 Mbit/s
Line code: 1B1H
Optical source: LD
Transmitter power: ≥－9dBm
Receiver Type: PINFET
Receiver sensitivity: ≤－40dBm（BER≤10-11）
Wavelength: 1310 / 1550nm
Optical connector: FC/SC
|
|
|
|
|
|
|
|
|
|
