Dqmx, Digital qam multiplexer 4x 8vsb/qam/asi ► 1x qam, Specifications – Toner Cable DQMx Digital QAM Multiplexer User Manual
Page 2

Specifications Subject To Change Without Notice
Rev 04-12
©Toner Cable Equipment, Inc.
969 Horsham Road
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Horsham, Pennsylvania 19044 USA
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Phone: 215-675-2053 Fax: 215-675-7543
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DQMx
Digital QAM Multiplexer 4x 8VSB/QAM/ASI ► 1x QAM
Specifications
Connectors
ASI Module:
BNC Female
8VSB/QAM Module:
“F” Female
Standards
ASI:
DVB-ASI; EN 50083-9
8VSB:
ATSC Digital Television A/53E
QAM:
ITU-T J.83 - Annex A & B (64 and 256 QAM)
ASI Mode
Transport Rate:
270 Mbps (desired transport rate of
10.76 MSymbols/sec)
8VSB Mode
Tuning Range:
VHF (NTSC Ch. 2-13), UHF (NTSC Ch. 14-69)
Data Rate:
19.392 Mbps
Bandwidth:
6 MHz
Power Level:
-20 to +20 dBmV
QAM Mode
Tuning Range:
CATV (NTSC Ch. 2-135)
Data Rate:
38.8 Mbps (QAM 256); 26.97 Mbps
(QAM 64) - Auto Detect
Bandwidth:
6 MHz
Power Level:
-15 to 20 dBmV (@ QAM 256)
-20 to +20 dBmV (@QAM 64)
Impedance:
75 Ω
Local Monitoring:
Front-panel 16-character, 2-line LCD screen
Local Control:
Front-panel Navigational Key-pad
Remote Monitoring/Control:
Not Available
INPUT
OUTPUT
ALARMS / MONITORING / CONTROL
Dimensions (W x D x H):
19.0 x 14.3 x 1.75 inches (483 x 363 x 44 mm)
Power:
105 to 240 VAC/50 to 60 Hz
Power Dissipation:
36 W (fully loaded with 4 input modules)
Weight :
5.1 lbs (2.31kg)
Operating Temperature:
32 to 122°F (0 to 50°C)
Storage Temperature:
-13 to 158°F (-25 to 70°C)
Operating Humidity:
0 to 95% RH @ 35°C max, non-condensation
Storage Humidity:
0 to 95% RH @ 35°C max, non-condensation
GENERAL
Connector:
“F” Female
QAM Modulation Modes:
16, 32, 64, 128, 256, 512, and 1024
DVB Symbol Rate:
Variable; 1 to 7 MSymbols/sec (MBaud)
Frequency Range:
54 to 864 MHz
QAM Tuning
NTSC:
Per channel’s number from 2 to 135
PAL:
Per channel’s center-frequency
(12.5 kHz increments)
RF Level:
+60 dBmV (120 dB
μV)
RF Level LCD Screen Error:
±2 dB
RF Level Adjustment Range:
50 to 60 dBmV
Frequency Tolerance:
±0.5 kHz @ 77°F (25°C)
Frequency Stability
±5 kHz over 32 to 122°F (0 to 50°C)
Amplitude Flatness:
±0.25 dB (over 6 MHz channel)
Phase Noise:
-98 dBc (@ 10 kHz)
Spurious:
-60 dBc
Broadband Noise:
-75 dBc
(@ +60 dBmV output level, 4MHz bandwidth)
Impedance:
75
Ω
Return Loss:
12 dB
Spectral Inversion:
Auto Recognition
Carrier Suppression:
55 dB
SNR:
Greater than 40 dB
MER:
Greater than 40 dB
I/Q Phase Error:
Less than 1 degree
I/Q Amplitude Imbalance:
Less than 1%