Datum Systems PSM-500L Manual do Utilizador descarregar pdf (Página 55)

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

Rev 0.93 12/12/10

B-55

Common Notes

All numbers are least significant byte first. All strings terminate with a [00h] byte and are 16 characters

maximum (not including the string terminator).

The Mode Byte must be set to [05h] for control of the local modem and [06h] to control the remote

modem (if local to remote internal control channel available).

If an error occurs, Bit 7 of the Status Byte is set to one. Only one flag in the Read Change Flags section is

set to one indicating the first write enabled option that generated an error (if any). The Error/Warning

Byte has the type of error that occurred. If bit 7 of the Status Byte is not set the Error/Warning Byte is a

warning (if any).

Status Byte (Returned in All Responses)

Bit 0

Bit 1

Bit 2

Bit 3

Bit 4

Bit 5

Bit 6

Bit 7

Byte 0

Offline

AlarmA

AlarmB

InfAlm

UnitAlm

DemAlm

ModAlm

Error

Error Codes

[01h] Request Exceeded Available Limits, Request Aborted.

[02h] Request Exceeded Available Limits, Value Set to Limit.

[03h] Requested Option Not Available, Request Aborted.

[04h] Requested Function Read Only, Request Aborted.

[05h] Requested Frequency Exceeded Total Limits, Request Aborted.

[06h] Bad Request, Not Valid Option Number.

[07h] Option Not Installed, Request Aborted.

[08h] Flash ROM Write Error, Request Failed.

[09h] Write Access Denied Error, Request Aborted.

[0Ah] Requested Option Locked, Request Aborted.

[0Bh] Packet has Incorrect Number of Bytes for Selected Command.

[0Ch] Bad Command, Request Aborted.

[0Dh] Bad Unit Configuration for Selected Option

[0Eh] No Mcc Available, Request Aborted.

[0Fh] Mcc Send Buffer Full, Request Aborted.

Warning Codes

[40h*] Demod Fifo Buffer Exceeded Available Limits, Value Set to Limit.

[80h*] Requested Option Not Active Warning.

[01h] Cxr Enable Request Overridden by Cxr Alarm.

[02h] Bit Rate Changed to Available Limit.

[03h] Demod Not Locked Warning.

[04h] Clock Error, Mod & Demod Bit Rates Not Equal.

[05h] Demod in IF Loopback, Requested Cxr Frequency will be Active After IF Loopback Disabled.

[06h] AUPC Maximum Level Changed to Available Limit.

[07h] AUPC Minimum Level Changed to Available Limit.

[08h] Mod Cxr Level Changed to Available Limit.

[09h] No Remote AUPC Data Available Warning.

[0Ah] Reed-Solomon k Factor Changed to Available Limit.

[0Bh] Reed-Solomon n Factor Changed to Available Limit.

[0Ch] Custom IBS ESC Overhead Changed to Available Limit.

[0Dh] Custom IBS MCC Overhead Changed to Available Limit.

*Can be logically ORed with other warning messages.

END OF PROTOCOL

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