4006-dda.ib.rev1.doc
Page 4 of 12
10/09/2008
Technical Specifications
DDA-4006
Input:
Number 1.
Impedance 75
Ohm.
Return loss
>15 dB 5 MHz to 270 MHz.
Equalisation
Automatic, better than 250 metres at 270 Mb/s for Belden 8281 or
equivalent cable (reduces to approx. 200m when LK2 is closed).
Outputs:
Number
8 ASI or SDI plus one front panel monitoring output.
Signal level
800 mV ± 10%.
Impedance 75
Ohm.
Return loss
>15 dB 5 MHz to 270 MHz.
DC offset
Nil.
Performance:
Output rise time
<1 ns, (700 ps typically).
Residual Jitter
<0.1 UI (measured with up to 300m of Belden 8281 or equivalent cable).
Connectors:
BNC.
Indicators:
Power
LED (green) for +5 Vdc.
Signal present
LED (green) when signal present.
Power requirement:
Voltage
28 Vac CT (14-0-14) or
±
16 Vdc.
Consumption 2.0
VA.
General:
Temperature range
0 - 50° C ambient.
Mechanical
Suitable for mounting in IRT 19" rack chassis with input, output and power
connections on the rear panel.
Dimensions
6 HP x 3U Extended Eurocard (220 mm x 100 mm).
Weight
With rear assembly 340g.
Finish: Front panel
Grey background, silk-screened black lettering & red IRT logo.
Rear assembly
Detachable silk-screened PCB with direct mount connectors to Eurocard and external
signals.
Supplied accessories
Rear connector assembly with matching connector for alarm outputs.
Optional accessories
SMU-4000 SNMP plug-in module for use with 4000 series frame fitted with SNMP
“Agent”.
Due to our policy of continuing development, these specifications are subject to change without notice.
IRT
Communications
www.irtcommunications.com