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OTS-2050 is multifunctional transmission equipment. It has STM-1,STM-4 and STM-16 optical interfaces with standard transmission rate, slot structure, multiple light directions, high-integrated E1 board and multiple shared Ethernet board. With large volume of optical transmission, flexible assignment, multi-mode of interfaces OTS-2050 is an ideal optical network gateway equipment.

OTS-2050 equipment supports 256×256VC4 / 2016×2016VC12 non-block crossing and ADM. It also has uni-directional and bi-directional broadcasting functions.

Its network management supports assignment, warning, maintenance, supervision and management functions.

 

OTS-2050 contains 35 expansion slots, including E1 service, Ethernet service and optical interfaces.

OTS-2050 Signal Processing Slot List
Module Introduction
Data Interface Master control unit
Power Interface Power feeding unit
MCP card Manage & control pannel
CS card Clock & crossing pannel
Optical interface card STM-16/STM-4/STM-1
E12 card 32×E1(ballanced/unballanced)
Ethernet card 10M/100M adapted Ethernet
G-Ethernet card 1Gbit/s bandwidth Ethernet
TPS_E12W E1 working interface pannel
TPS_E12P E1 protecting interface pannel
E1_INF E1 interface pannel
Fan card Radiator

 

Frame Parameter

The framework of OTS-2050 is made of compound metal, 19 inch external width; 11U height; 24cm length.

This equipment can be screwed through mounting hole to 19 inch cabinet.

 

Port Physical Parameter

OTS-2050
Name Description
E1 port OP interface, connected to ddf with L9 coaxial connector.
Optical interface Optical transceiver, LC
LAN Interface RJ45
EOW RJ11
NM port DB9(socket) & RJ45

 

Port Electrical Parameter

Optical Interface

Code rate: STM-1/STM-4/STM-16
Transmit mode:
S1.1,L1.1,L1.2,S4.1,L4.1,L4.2,S16.1,L16.1,L16.2
Transmit power: -12∼2dBm
Receive sensitivity: -28∼-34dBm
Max Optical ports: 26×STM-1 /
                    13×STM-4 / 6×STM-16

E1 Interface

Capacity: 32 channels
Max volume: 352×E1 ports
Transmission Type: HDB3
Transmission Rate: 2048Kbit/s
Permissible Deviation: ±5×10E-5
Impedance at E1 Interface: 75Ω/120Ω
E1 Signal Amplitude: 2.37V/3V

以太网接口

LAN Interface

Specification: IEEE802.3
Bandwidth: 100Mbit/s
Applicable Ethernet rate:
        10M/100M autoadaptation\1Gbit/s
Work mode: Half-duplex/full duplex
Rate Control: By NM software

Clock option

2048KHz external clock
STM-1 timing source inputs
STM-1 tributary clock
STM-4 timing source inputs
STM-4 tributary clock
STM-16 timing source inputs
SSM function
working mode:
            locked/keeping/Internal mode
priority: NM software control

EOW

Capacity: 25
Calling function:
all call, selective call, group call
Code mode: A-law/µ-law
Interface: VF
Ring frequency: 450Hz
Ring mode: buzzer

Working environment

Feeding mode: -48V/DC
Voltage range: -48V±15%
Operation temperature: 5℃∼45℃
Relative humidity: ≥95%(T≥25℃)

 

Point to point mode

Crossing point in complicated network

SDH

OTS2050


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