Elsa Cable 用户手册

Ethernet IEEE 802.3, 10Base-T (Twisted Pair, RJ45, Node/Hub switch)

MCNS DOCSIS (ITU-T J.112, physical layer as per Annex A & Annex B, MAC as per Annex B)

Socket: 

F –socket (IEC169-2 connection via included adapter)

Reception frequency band:

88 - 860 MHz

Reception channel width:

6 MHz or 8 MHz

Receiver level:

48 W – 78 dBµV

Receiver modulation:

64QAM, 256QAM

Receiver data rate: 

30.34 Mbps (64QAM), 42.88 Mbps (256QAM)

S/N ratio in receive direction:

> 21 dB (64 QAM)
> 28 dB (256 QAM)

Transmission frequency band:

5 – 42 MHz (5 – 65 MHz optional)

Transmission channel width:

200 – 3200 kHz

Transmission level:

85 – 122 dBµV

Transmission modulation:

QPSK, 16QAM

Transmission data rate:

0,32 – 5,12 Mbps (QPSK), 0,64 – 10,24 Mbps (16QAM)

S/N ratio in transmit direction:

> 14 dB (Burst QPSK)
> 20 dB (Burst 16QAM)

Bridge mode:

Bridging of all IEEE 802.3-based protocols

IP router:

IP, TCP, ICMP, ARP, RIP-1, RIP-2, PROXY ARP, DHCP

Bridge mode:

Broadcast, multicast, destination MAC address, 
source MAC address, automatic filtering of local and 
remote stations 

IP router

TCP, UDP port filtering, source and destination net-
work filter

Internet access using a single IP address via IP address and port implementation, static/
dynamic IP address assignment via DHCP, masking of TCP, UDP, ICMP and FTP; DNS forward-
ing; inverse masquerading for intranet IP services

Cable network operator:

Via SNMP and TFTP (transfer of configuration files and 
firmware updates)

User:

Via the cable TV network or LAN with TCP/IP, pass-
word protection, ELSA LANconfig, SNMP, TFTP, telnet

LEDs for LAN and cable TV network status, factory-default button, reset button

12 V AC with AC adapter for 230 V (US version: 110V), 10 VA

Temperature: 5 - 40°C, humidity: 0 - 80%, non-condensing

Rugged metal case, LEDs on front panel, connections on rear panel;
Dimensions: 158 x 32 x 135 mm (W x H x D)