DCOM Technology CO., LTD

Model Number: DCM-E3309B Brand Name: OEM Key Specifications/Special Features: SpecificationsITEMDownstream(Receiver)Upstream(Transmitter)Center112MHz-858MHz5MHz-65MHz
Frequency
Channel
8MHz
200K, 400K, 800K, 1.6M, 3.2MHz, 6.4MHz

CaptureBandwidth
64QAM/256QAM
A-TDMA:
QPSK, 8, 16, 32, 64QAM
S-CMDA:
QPSK, 8, 16, 32, 64, 128QAM

Symbolrate
6.952Msymbols/sec
160, 320, 640, 1280, 2560, 5120ksymbols/sec

Bitspersymbol
64QAM: 6bits
256QAM: 8bits
QPSK: 2bits
8QAM: 3bits
16QAM: 4bits
32QAM: 5bits
64QAM: 6bits
128QAM: 7bits

Datarate
41.71Mbits/sec
(64QAM)
55.62Mbits/sec
(256QAM)
0.32~10.24Mbits(QPSK)
0.64~20.48Mbits(16QAM)
0.96~30.72Mbits(64QAM)

Outputpower
(A-TDMAmode)

+8dBmV~+58dBmV(QPSK)
+8dBmV~+55dBmV(8QAM)
+8dBmV~+55dBmV(16QAM)
+8dBmV~+54dBmV(32QAM)
+8dBmV~+54dBmV(64QAM)

Outputpower
(S-TDMAmode)

+8dBmV~+53dBmV(QPSK)
+8dBmV~+53dBmV(8QAM)
+8dBmV~+53dBmV(16QAM)
+8dBmV~+53dBmV(32QAM)
+8dBmV~+53dBmV(64QAM)
+8dBmV~+53dBmV(128QAM)

Outputpower

+8dBmV~+58dBmV(QPSK)
+8dBmV~+55dBmV(16QAM)

Inputpower
+13dBmV~+17dBmV(64QAM)
+17dBmV~-13dBmV

Otherfeatures

Management
Webbasedconfiguration
CMTSconfigure/FTP/TFTP
Firmwareupgrade
SNMPmanagement
TelnetSSHmanagement
Security
ManagementaccesscontrolforLAN/WANsides

Preventportscanning, DOS(DenialofService), landattack

IP/MAC filtering, applicationfiltering, URLfilter

BPI(BaselinePrivacyPlusInterface)securitymechanism

LEDIndicators
Power

Downstream

Upstream

Internet

LAN

Externalconnectors
1xDCpowerjack

1xRJ45for10/100Base-TEthernetLAN

1xRFconnector(75ohmF-type)tobi-directional
HFC(HybridFiberCoaxial)networkforCATV

1xResetbuttonfor