Sd (Ddi) (J6); Ddo (J7); Idi (J8); Sd (Ido) (J9) - Radyne DMD20 Installation And Operation Manual

Rear Panel Interfaces
62 IDR ESC Backward Alarm
Out - 4 Normally Open
63 IBS Transmit Octet Input - B
64 Synchronous Data – Data Mode
Out - B
65 Synchronous Data - Clear to
Send - B
66 IBS Receive Octet Output - B
67 Synchronous Data Request to
Send – B
68 Synchronous Data Receiver
Ready - B

5.7 SD (DDI) (J6)

The Send Data (Drop Data In) Port (Unbalanced) is a 75O Female BNC Connector.

5.8 DDO (J7)

The Drop Data Out Port (Unbalanced) is a 75O Female BNC Connector.

5.9 IDI (J8)

The Insert Data In Port (Unbalanced) is a 75O Female BNC Connector.

5.10 SD (IDO) (J9)

The Send Data (Insert Data Out) Port (Unbalanced) is a 75O Female BNC Connector.

5.11 EXT REF (J10)

The External Reference Port is a 75O Female BNC Connector.

5.12 TX IF (J11)

The Transmit IF Output Port is a 75O Female BNC Connector that is used for 70/140 MHz IF.
The power level is programmable from 0 to -25 dBm in 0.1 dBm steps. The IF Frequency can be
programmed to 50 – 90 MHz or 100 – 180 MHz, in 1 Hz steps.

5.13 TX L-Band IF (J12)

The Transmit IF Output Port is a 50O SMA Female Connector that can be used for L-Band IF.
The power level is programmable from 0 to -25 dBm, in 0.1 dBm steps. The IF Frequency can be
programmed to 950 – 1750 MHz, in 1 Hz steps.
5-8
DMD20 Universal Satellite Modem
ESCBWO 4NO
TXO -B
SYNC DM-B
SYNC CS -B
RXO-B
SYNC RS -B
SYNC RR-B
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Input
Output
Input
Output
Input
Output
TM103 - Rev. 1.1