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CM380 Cable Modem
Ascent’s CM380 is a new generation of MCNS/EURO DOCSIS 3.0 compliant wireless cable modem that can be connected to standard compliant CMTS headend devices.
• Up to 400 Mbps downstream data rate with 8 bonded channels
• Up to 120 Mbps upstream data rate with 4 bonded channels
• High performance Wi-Fi® Alliance credited 802.11b/g/n wireless access point
• Advanced MIMO antenna configuration for optimal throughput and coverage
• High Speed Internet via 2 or 4 ports 10/100/1000Base-T Ethernet (RJ-45)
• 802.11b/g/n wireless access point
• 10/100/1000Base-T Ethernet RJ45 interface
• WEP/WPA/WPA2/WPA-PSK/WPA2-PSK encryption
Interface | ||||||
Input | F-type RF connector | |||||
Ethernet | 2 or 4 × 10/100/1000 BASE-T | |||||
Antenna | 2 × 3 or 5 dBi internal | |||||
Downstream | ||||||
Frequency Range | NA | 108 ~ 1002 MHz | ||||
EU | 108 ~ 1002 MHz | |||||
Modulation | 64QAM/256QAM | |||||
Input Signal Level | -17 ~ +13 dBmV (64QAM) -13 ~ +17 dBmV (256QAM) | |||||
Data Rate | NA | 8 maximum downstream channel 320 Mbps | ||||
EU | 8 maximum downstream channel 400 Mbps | |||||
Bandwidth | NA | 6 MHz (Alpha=0.18 for 64QAM) | ||||
6 MHz (Alpha=0.12 for 256QAM) | ||||||
EU | 8 MHz (Alpha=0.15 for 64QAM &256QAM) | |||||
Capture Bandwidth | Maximum support 8 channel bonding | |||||
Input Impedance | 75 Ω | |||||
Input Return Loss | <-8 dB | |||||
Upstream | ||||||
Frequency Range | NA | 5 ~ 42 MHz | ||||
EU | 5 ~ 65 MHz | |||||
Output Signal Level | Modulation | Minimum power | Single-channel maximum power | Four-channel maximum power | ||
1280 Mbps | 5120 Mbps | TDMA/S-CDMA | TDMA/S-CDMA | |||
QPSK | 17 dBmV | 23dBmV | 61/56dBmV | 55/53dBmV | ||
8QAM | 17 dBmV | 23 dBmV | 58/56 dBmV | 52/53 dBmV | ||
16QAM | 17 dBmV | 23 dBmV | 58/56 dBmV | 52/53 dBmV | ||
32QAM | 17 dBmV | 23 dBmV | 57/56 dBmV | 51/53 dBmV | ||
64QAM | 17 dBmV | 23 dBmV | 57/56 dBmV | 51/53 dBmV | ||
128QAM (S-CDMA) | 17 dBmV | 23 dBmV | -/56 dBmV | -/53 dBmV | ||
Modulation | 160 kHz, 320 kHz, 640 kHz, 1280 kHz, 2560 kHz, 5120 kHz | |||||
Data Rate | 4 maximum upstream channel 120 Mbps | |||||
Bandwidth | 200 kHz, 400 kHz, 800 kHz, 1600 kHz, 3200 kHz, 6400 kHz | |||||
Output Impedance | 75 Ω | |||||
Output Return Loss | <-10 dB | |||||
Hardware Characteristics | ||||||
Input Power | 220V, 50Hz | |||||
Output Power | 12±5% V DC, 1500 mA | |||||
Operating Temperature | 0 ~ 40 °C | |||||
Storage Temperature | -20 ~ 70 °C | |||||
Operating Humidity | 10 ~ 90% | |||||
Storage Humidity | 5 ~ 95% | |||||
Wireless Features | |
Wireless Standard | IEEE 802.11n, IEEE 802.11g, IEEE 802.11b |
Frequency | 2.4 ~ 2.4835 GHz |
Transmission Rate | 11b/g/n: Up to 11/54/300 Mbps (dynamic) |
Modulation | 11n: BPSK, QPSK, 16QAM, 64QAM with OFDM |
11g: BPSK, QPSK, 16QAM, 64QAM, OFDM | |
11b: DQPSK, DBPSK, DSSS, CCK | |
Wireless Transmit Power | 19 ~ 21dBm |
Receiver Sensitivity | 270/130/108M: -73dBm@10% PER |
54M: -76dBm@10% PER | |
11M: -93dBm@8% PER | |
6M: -95dBm@10% PER | |
1M: -90dBm@8% PER | |
Encryption | 64/128/152-bit WEP / WPA / WPA2,WPA-PSK / WPA2-PSK |
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