User's Manual

EPR2320 User Manual
- 51 -
Specifications
Cable RF:
Downstream Upstream
Operating Frequency Range 112-858MHz 5-65MHz
Frequency Channel Step size 250KHz
Frequency Selection Auto Scanning Controlled by Headend
Bandwidth 8MHz (ITU-T J.83A) Programmable (200*N KHz)
N=1, 2, 4, 8, 16
Characteristic Impedance
75
Ω
Nominal 75
Ω
Nominal
Signal Level Range -15 to +15dBmV/64QAM
-15 to +15dBmV/256QAM
+8 to +58dBmV/QPSK
+8 to +55dBmV/16QAM
Modulation 64QAM/256QAM QPSK/16QAM
Modulation Rate 6.952 Msym/sec 160/320/640/1280/2560
Ksym/sec
Maximum Bit Rate 55.616Mbps/256QAM
41.712Mbps/64QAM
10.24Mbps/16QAM
5.12Mbps/QPSK
Forward Error Correction (FEC) RS(128,122)/Trellis Reed Solomon
Signal to Noise Ratio (SNR) >30
Bit Error Rate (BER)
1
×
10
-8
@ C/N=23.5dB,
64QAM with FEC
1
×
10
-8
@ C/N=30dB,
256QAM with FEC,
received power = -6dBmV
to +15dBmV
1x10
-8
@ C/N=33dB,
256QAM with FEC,
received power = -15dBmV
to –6dBmV
Physical & Hardware:
Dimensions
•
L = 174 mm
•
W = 134 mm
•
H = 40 mm
Ports
•
Ethernet Port (RJ-45)
•
USB port (Type B)
Antenna
•
Single External Antenna