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Wegener Communications 6420 User Manual

Page 21

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iPump 6420 User’s Manual

www.wegener.com

800070-01 Rev B

Chapter 1, Page 17

Characteristic

Specification

Off-Air Recording
(optional)

Audio captured from demodulated radio carriers. Audio
compressed into mp3 files and returned to uplink control
system via Return Path.

Arrangement

Two AM/FM inputs, each logically associated with one of the
two main Audio Decoders (ports), either #1 or #2

AM (domestic US)

Frequency 520 to 1720 kHz
Sensitivity 5.0 uV for S/N= 10dB

FM (domestic US)

Frequency 87.9 to 107.9 MHz
Sensitivity 2.0 uV for S/N = 30 dB

Extended worldwide
support option
(contact WEGENER sales)

In addition to US commercial bands, add these bands:
AM (Long Wave) 153 to 279 kHz
AM (Medium Wave) 520 to 1710 kHz
AM (Short Wave) 2.3 to 21.85 MHz
FM 64-108 MHz

Compression System

Real-time compression to mp3 during file capture

MP3 file compression
parameters

ES bit-rate: 8, 16, 24, 32, 64 kbps
Audio sample rate: 8, 16, and 32 kHz
Stereo/mono selection
Sample depth 8 or 16 bit

Total recording time per
hour

For best stability, unit must record 12 minutes or less per
hour, from all sources

Time Synchronization

Compel TOD messages or NTP

Unit Control

Local User

1) Front-panel
2) Terminal (thru serial port or under Telnet)
3) Web
4) SNMP (status only)

Compel 1) Real-time COMPEL command stream in Transport

2) Polled Compel commands (by HTTP, over internet)
3) Stored Compel commands in Scheduler (fixed time or

Triggered, either by Compel cmd or PIO input)

Power

AC Voltage

90-132 or 175-264 VAC, auto-selected

AC Frequency

60/50 Hz ± 2%

Current

0.8A @ 115VAC typical, with full LNB load

Chassis

Height

Std. 1RU 1.75 inches (4.45cm)

Width

EIA std. 19 inches (48.26cm)

Depth

Back of rack-ears to rear panel: 19.4 inches (49.27 cm)
Back of rack-ears to end of connectors: 20.2 inches ( cm)

Weight

~18.2 Pounds (8.27 kg)

Cooling

Fan-cooled with front-side and right-side inlets with back-
side and left-side exhausts (viewed from the front).
Continuous fan cooling.