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2.3 Physical Specifications, Standards, Firmware Operations
DDW2600 Wireless & DDC2700 Commercial Cable Modem/Router Subscriber User Guide • May, 2010
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2.3
Physical Specifications, Standards, Firmware Operations
The following list provides the features and specifications of the DDW2600 or
DDC2700 cable modem/router:
Interfaces
Cable: F-Connector, Female
LAN: 4 10/100Mbps, Based-T RJ-45 Ports
USB: USB 1.0 Port, provides an alternate network connection
32MB DDR Ram
Standards/Certifications
DOCSIS/Euro DOCSIS 1.0/1.1/2.0 Certified
CE/ FCC Class B, UL 60950
RoHS, WEEE
IPv4
Wireless: IEEE 802.11; 802.11b/g; DSSS
Downstream*
Frequency Range: 88 MHz ~ 860MHZ
Modulation: 64/256 QAM
Maximum Data Rate: 30Mbits/sec (64QAM), 42.8Mbits/sec (256QAM)
Symbol Rate: 5.057/5.361/Msymbols/sec
RF Input/Output Power:
-17 to +15dBmV (64 QAM)
-15 to +17dBmV (256 QAM)
Input Impedance: 75
Ω
Channel Bandwidth: 6 or 8 MHz
Upstream*
Frequency Range: 5 MHz ~ 42 MHz
Modulation:
A-TDMA
: QPSK 8, 16, 32, 64QAM,
S-CMDA
: QPSK 8, 16, 32, 64,
128QAM
Maximum Data Rate: 0.32 ~ 10.24Mbits (QPSK), 0.64 ~ 20.48Mbits (16QAM),
0.96 ~ 30.72Mbits (64QAM)
RF Output Power: A-TDMA: +8dBmV ~ +58dBmV(QPSK), +8dBmV ~
+55dBmV(QAM), +8dBmV ~ +54dBmV (32/64)
*
Actual speeds can vary based on factors including network configuration, service tier,
and network conditions.
Wireless (DDW2600 Only)
WiFi Multimedia Support
WPA, WPS, WEP Encryption
4 SSIDs (1 SSID is Reserved for Service Provider)
Transmit Power: 18dBm