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Specifications
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Specifications for AMA 310/UMS.

Please find the detailed specifications within the user manual as download.

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 comptibility

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

Quantity of delivery

  • USB stick

  • Power Cable

  • 2 pieces clamping angle for 19”  rack mounting

  • 8 pieces M4 × 8mm crosshead screws

Intersted in Upstream Technology?

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