Radyne MM200 Información técnica Pagina 81

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MM200 High-Speed Microwave Modem Electrical Interfaces
TM086 - Rev. 4.1 5-5
6 +TX 1 +TX
8 -RX 13 -RX
9 +TX 3 +TX
7 to
12
+RX CLK to
+TX CLK
8 to
11
-
RX CLK to
-TX CLK
From the Overhead to the Remote
Port of the Remote Modem (Cable B)
9-Pin ‘D-Sub’
15-Pin HD
Female
‘D-SubMale
6 -TX 6 -TX
5 GND 2 GND
1 +TX 1 +TX
9 -RX 13 -RX
8 +TX 3 +TX
7 to
12
+RX CLK to
+TX CLK
8 to
11
-
RX CLK to
-TX CLK
5.5 Ethernet Interface (I/O)
The Ethernet Interface (J4) can be used for the monitor & control functions of the unit. The
physical interface is a standard female RJ-45 Connector.
5.6 TX RF Port (Output)
The TX RF Port (J5) is used to transmit RF signals. The physical interface is a Female 750 Ω
BNC Connector and has an output of 50 90 MHz IF.
5.7 RX RF Port (Input)
The RX RF Port (J6) is used to receive RF signals. The physical interface is a Female 750 Ω
BNC Connector and has an output of 50 90 MHz IF.
5.8 External Reference (Input)
The External Reference Input (J7) is supplied to allow the customer to phase-lock the modulator’s
internal oscillator to an external reference.
This female BNC Connector accepts a 1.5 5 Vp-p @ 50Ω. The frequency range of the external
reference is 1 10 MHz in 8 kHz steps.
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