Somerdata R2D3-ASSY-0130, Установка и эксплуатация

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R
2
D
3
Data Capture Card
Installation and Operation 8-3
R2D3-ASSY-0327 (RJ-45 Connectors)
R2D3-ASSY-0427 (RJ-45 Connectors)
Signal Input
Signal Interface: G.703, 2,048 kbits/s
Pulse shape: As ITU-T G.703 pulse mask
Line code: HDB3
Data type: framed to ITU G.704
or unframed
Input impedance 1: 120
Ω
balanced - default
(selectable 40 k
Ω
/ 75
Ω
)
Input sensitivity: -13.6dB
Input amplitude:
Nominal: ±3.00 V into 120
Ω
Maximum: ±5 V
Minimum: ±500 mV
Loss of signal threshold: 300 mV
Data decision threshold: 43% to 57% peak
Pulse width: 230 ns to 260 ns
Input jitter tolerance: 1200 UI at 10 kHz
14 UI at 750 Hz
0.4 UI at 10 kHz – 100 kHz
Signal Output
Signal Interface: ITU G.703, 2,048 kbits/s
Line code: HDB3
Output impedance: 120
Ω
balanced - default
(selectable 75
Ω
)
Output amplitude: ±3.00 V ±10% V into 120
Ω
Pulse width: 244 ±20 ns (at mid level)
Pulse-to-pulse jitter: <100ns using internal clock and
<32ns using clock recovered from
an external 2,048kbits/s signal
1
When using high-impedance (40 k
Ω
) connections, the
recommended maximum cable length is 2 metres. For greater
distances, SomerData recommends using a SomerData
Splitter/Buffer .