Dibsys High performance Catv digital headend over ethernet service,Strongly DVB-C broadcast equipment CMTS

Item

parameter

MiniCMTS

DS

QAM standard

Annex A,B, C

QAM modulation

64QAM,256QAM

DS channels 

16

DS maxi speed

800Mbps

Work frequency

87Mhz~ 1000Mhz

Channel bandwidth

6~8Mhz

US

QAM standard

Annex A,B, C

QAM modulation

QPSK 16QAM,64QAM

US channels 

4

US maxi speed

160Mbps

Work frequency

5Mhz ~ 65Mhz

Out level range

-13~23dbmv

Others 

maximum CM 

511

Maximum CPE

2000

Dynamic load balancing

support

DHCP relay

support

Qos

support

management

Web,CLI,talnet,SSH, network

ONU

PON interface

1Gbps transmission rate with

 downlink and uplink symmetry

Optical interface type

SC/PC

Hi-sensible optical receiver

≥-26dBm

Power 

2~7dBm

security

ONU authentication mechanism

VLAN

Port based VLAN

IEEE 802.1 Q VLAN

Service quality

Back pressure stream control(Half duplex)

IEEE 802.3X stream control (Full duplex)

RF out

Out Impedance:

75

Band rejection

>50db

MER

>42db

Maxi power 

110dbuv

channels

4

Environment

Power supply

220V/110V/60V

Power 

<50W

Temperature

-30℃ - 70℃

Humidity

10% - 90%

Size(mm)

385x350x161

Optical parameter

Optical receiver power

+2~-9

Optical AGC range

+2~-8/-7/-6/-5(Adjustable)

Optical reflection loss

>45db

Optical Wave length

1100-1600nm

Optical receiver type 

FC/APC,SC/APC(Or specified by user)

Optical type

Single mode

Link performance

C/N

≥51dB

C/CTB

≥ 65dB

C/CSO

≥ 60dB

-1dBm optical input,output level is 106dBμv

RF parameter

Frequency range

45/87~1003MHz

Band flatness

±0.75dB

Norminal output level

≥106dBμv(4 channels distribution out ), ≥ 110dBμv(2 channels independent out)

Maximum output level

≥ 112dBμv

Output reflection loss

(85~550MHz)≥16 / (550~1000) ≥ 14

Redundancy isolation

≥ 75

Output impedance

75Ω

Electronic control equilibrium range

0~15(steping)

Electronic control attenuation range

0~20(steping)