Motorola AT Commands G24-L Información técnica descargar pdf (Pagina 399)

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Chapter 3: AT Commands Reference

January 31, 2007 AT Commands Reference Manual 3-323

<TTL> Time To Live (TTL). Specifies number of hops (hop is

one step, from one router to the next, on the path of a

datagram on an IP network), which the Echo Request

message may be routed over. The value is set by using

TTL field in IP header. Valid value range is from 1 to

255.

Default value: 64

<TOS> The Type Of Service (TOS) is for internet service

quality selection. The type of service is specified along

the abstract parameters precedence, delay, throughput,

and reliability. These abstract parameters are to be

mapped into the actual service parameters of the

particular networks the datagram traverses. Minimum

and maximum values for TOS are 0 and 255

respectively. Refer to RFC 791 and RFC 2474 which

obsoletes RFC 791 for TOS defined values.

Default value: 0

<TimeOut> Specifies the amount of time, in milliseconds, to wait

for the Echo Reply message that corresponds to a sent

Echo Request message, measured after Echo Request

message was sent. If the Echo Reply message is not

received within the time-out, +MPINGSTAT

unsolicited response, with <status> equal to 1, will be

sent to DTE. Valid value range is from 500 ms to

600,000 ms (10 minutes).

Default value: 4000

Table 3-213: +MPING Command Parameters (Cont.)

<Parameter> Description

1 2 ... 394 395 396 397 398 399 400 401 402 403 404 ... 521 522

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