Datum Systems PSM-500L Manual do Utilizador descarregar pdf (Página 10)

Datum Systems, Inc. PSM-500 Modem Remote Control Protocol

Rev 0.93 12/12/10

B-10

Command Number Index

Command

Byte (hex)

Name

Description

Unit Status

Current Unit Status

Unit Config

Unit Configuration

Unit Keybrd

Unit Keyboard Setup – Click, Backlight

Unit Remote

Unit Remote Control Port Setup – Address, rate, format

Unit USB

Unit USB Control Setup

Unit Ref

Unit Reference Oscillator Setup – Source and Calibration

Unit Redundancy

Unit Redundancy Setup – Enable and monitored alarms

Unit Monitor

Unit auxiliary analog voltage monitor output for AGC or Eb/No or

Mod CXR Level

Unit Alarm

Unit Alarm and Relay Setup

Unit Test

Unit Tests – Self Test

Unit Polling

Unit Polling to allow easier determination of changed parameters.

Mod Status

Current Modulator Status

Mod IF

Transmit IF Control – Frequency, Offset, Level, AUPC, Carrier Enable

Mod Data

Modulator Data Setup - Bit rate, FEC

Mod Alarm

Modulator Alarm Setup

Mod Test

Modulator Test Modes -

Mod Mux

IBS Multiplexer Control

Mod BUC

Control of Transmit Block Up Converter for PSM-500L

Demod Status

Current Demodulator Status

Demod IF

Receive IF Control – Frequency, Offset, Acquisition

Demod Data

Demodulator Data Setup – Bit Rate, FEC

Demod Alarm

Demodulator Alarm Setup

Demod Test

Demodulator Test Modes

Demod Mux

IBS Multiplexer Control

Demod LNB

Control of Receive LNB Down Converter for PSM-500H&L

Intf Status

Interface Status

Intf I/O

Interface Type and Control Line use.

Intf Alarm

Interface Alarm Status

Intf Test

Interface Test Setup – Data Loop-backs, BER Control

Intf SDMS

SDMS Option (Ethernet) Setup/Control – IP Address & Mask

Intf SnIP

SnIP Option (Ethernet) Setup/Control – IP Address & Mask

About the Command Tables:

Each command number begins on a new page. The command number is shown on the first line. There are

two main groups of bit/byte sequences included in each command; Read (from Modem) and Write (to

Modem).

The “Read” sequence represents the response from a request using that command number and includes

“Change” flags, “Read” [Data] flags and “Read” [Data] bytes. All shown information is returned. The

“Change” flags show what parameter has changed since the last read, and is reset by the read action. Each

control method contains its own set of change flags so that a read from the USB port does not reset the

change flags from the serial control port.

The “Write” sequence represents the Command request to set a new parameter(s) using that command

number and includes “Enable” flags, “Write” [Data] flags and “Write” [Data] bytes. Only the item(s) with

enable flags set are changed. The other values must be present in the packet, but may be “dummy” values

since they are not used.

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