Datum Systems PSM-500L Especificaciones descargar pdf (Pagina 79)

PSM-500/500L/500LT SCPC Satellite Modem Operation

PSM-500/500L/500LT - Rev. 0.91

Page 3-19

Modulator Parameter Detail

Representation

Type

Entry

Description

Alarm Carrier

To Alarm A

Selection 0 = Mute CXR,

1 = Mute & Alarm A,

2 = Mute & Alarm B,

3 = Mute & Alarm A & B

Selects destination of alarm

Alarm Data

To Alarm A

Selection 0=None, 1=A, 2=B,

3=A & B

Selects destination of alarm

Alarm Clock

To Alarm A

Selection 0=None, 1=A, 2=B,

3=A & B, 4=Send All ones.

5 = All ones & A

6 = All ones & B

7 = All ones & A & B

8 = Mute Mod Cxr

9 = Mute & A

Selects destination of alarm

Alarm AUPC

To Alarm A

Selection 0=None, 1=A, 2=B,

3=A & B

Selects destination of alarm

Alarm Tst Active

To Alarm A

Selection 0=None, 1=A, 2=B,

3=A & B

Selects destination of alarm

Alarm Hardware

To Alarm A & B

Selection 0 = Mute CXR,

1 = Mute & Alarm A,

2 = Mute & Alarm B,

3 = Mute & Alarm A & B

Selects destination of alarm

Alarm BUC Power

Mute & Alarm A

Selection 0=None, 1=A, 2=B, 3=A&B,

4 = Mute CXR,

5 = Mute & Alarm A,

6 = Mute & Alarm B,

7 = Mute & Alarm A & B

Selects destination of alarm

Test Modulation

Normal

Selection 0 = Normal,

1 = Pure Carrier,

2 = Alt 1/0

3 = Sideband

Carrier output mode for test

purposes.

Test Symbol Rate

256.000ksps

Read Only N/A Computed Transmit Symbol

Rate

Test Clock Error

251

Read Only N/A Bit Rate Clock error

Test CXR ALC

+3.0V

Read Only N/A Internal Loop Voltage

Test LO AFC

+9.1V

Read Only N/A Internal Loop Voltage

Test Step AFC

+9.5V

Read Only N/A Internal Loop Voltage

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