Comtech EF Data CDM-710L Especificações descarregar pdf (Página 37)

CDM-710 Broadcast Satellite Modem Revision 10

Connector Pinouts MN/CDM710.IOM

4.1.2 10/100 Ethernet Remote Port Connector Pinout, J4

The Remote connector is a RJ-45 female connector.

Pin # Description Direction

1 Tx+ Out

2 TX- Out

3 Rx+ In

4 N/A

5 N/A

6 Rx- In

7 N/A

8 N/A

4.1.3 SerDes Port Connector, J6 (Initially Released Chassis Only)

RJ-45: Private communications link – not available for customer use.

4.1.4 ASYNC Port Connector Pinout, J6 (Rev. A and Later Chassis)

The ASYNC connector is a 9-pin, type ‘D’ female connector.

Pin # Description Direction

1 Ground

2 RS-232 Transmit Data Out

3 RS-232 Receive Data In

4 Not Used

5 Not Used

6 RS-485 Receive Data B Note 1 In

7 RS-485 Receive Data A Note 1 In

8 RS-485 Transmit Data B Note 2 Out

9 RS-485 Transmit Data A Note 2 Out

Notes:

1. Use for 2-wire RS-485 operation.

2. Pin is available for calibration of the internal 10 MHz reference. This is used

primarily for Rx Only units since there is no IF carrier to use for calibration.

This signal is available only when the unit is programmed to Utility: Ref for

adjusting the internal reference. For Tx Only or Duplex units the Tx IF is used.

4–3

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Comtech EF Data CDM-710L Especificações Página 37