Technical specifications:
AMA 310/UMS
You can download the detailed technical data in the current operating instructions.
Frequency ranges
RC (Return Channel): 4.32–65 MHz
RC (Return Channel) (Option): 4.32–85 MHz
Resolution (RBW): 10 kHz
Display Resolution: 120 kHz
Operation
Input: Illuminated silicone keypad (numeric keypad)
Monitor: 5.5″ TFT, VGA Resolution (640 × 480)
Display: Separate LCD for measured values (320 × 64)
User prompting: German, English
RF input
F Socket / 75 Ω (IEC 60169-24)
Return Loss: > 14 dB
RF Sum Power: max. 500 mW
External Voltage: Max. 70 Veff (DC / 50 Hz)
Input attenuator
0–60 dB in 2 dB increments
Level range
Measuring Ranges: 20–120 dBµV
Resolution: 0.1 dB
Measuring Accuracy
± 1,0 dB (at 20 °C) – Warm up time > 5 min.
± 2,0 dB (0 °C–40 °C) – Warm up time > 5 min.
Measuring Bandwidth (RBW(-3dB))
1 MHz, 200 kHz or 90 kHz
depending on bandwidth / symbol rate setting
Realtime analyzer
Measuring Bandwidth: 0–120 dBµV
Resolution: 0.1 dB
Measuring Accuracy
± 1,0 dB (at 20 °C) – Warm up time > 5 min.
± 2,0 dB (0 °C–40 °C) – Warm up time > 5 min.
Measuring Bandwidth (RBW(-3dB))
1 MHz, 200 kHz or 90 kHz
depending on bandwidth / symbol rate setting
Span (Frequency Segment): Total range
Real-time MAX Hold Function
PRBS
QAM Demodulator
Data: PRBS23
Symbol Rates: 0.3–7.2 MSym/s
Modulation Schemes: QPSK; 16, 64 and 256 QAM
Measuring Parameters (per ETR 290)
BER – depending on bandwidth / symbol rate setting: 1.00 × 10-6 / 1.00 × 10-7 / 1.00 × 10-8
MER: up to 40 dB
Resolution: 0.1 dB
Measuring Accuracy: ± 1.5 dB
ASI
Output: Output level typ. 800 mVss
Connection: BNC Socket
Output Impedance: 75 Ω
USB
Management
USB-A: V1.1 (Full Speed)
Switch Control
USB-A: KWS proprietary protocol and assignment / Control output to optional cluster switch SW 024
Ethernet
Management (front panel)
RJ-45—10Base-T (10 MBit/s)
Streaming (rear panel)
RJ-45—10 / 100Base-T (100 MBit/s) / Protocol UDP / RTP
Upstream monitoring
Return channel measurement system (together with appropriate handheld devices VAROS 107)
Measurements during active DOCSIS modem service
Up to 10 handheld devices connectable
Net data rate of DVB transport stream for data transmission between headend devices and field device: < 800 kbit/s
ASI / IP TS Output
ASK modulation for signaling of the handheld device to the head end device
Sweep (wobbling) function
TILT function
CPU
32Bit RISC architecture
RTOS (Real Time Operating System)
FAT32 file system
64 MByte flash disk
Software update: via USB stick
Power supply
Mains: Built-In primary Power Supply Unit
Mains voltage: 100–120 VAC, 200–240 VAC; 50–60 Hz
Power consumption: max. 45 W
Environmental conditions
Operating Temperature: 0 °C to +45 °C
Storage Temperature: −10 °C to +55 °C
Electromagnetic compability
Per EN 61326-1
Protection
Per EN 61010-1
Dimensions
Width: 440 mm, Height: 155,5 mm, Depth: 275 mm (19″, 3,5 RU / without clamping angle)
Width: 483 mm, Height: 155,5 mm, Depth: 275 mm (19″, 3,5 RU / with clamping angle)
Weight
approx. 7.9 kg