GaneData I-DEM 16 사용자 설명서 및 매뉴얼 - 페이지 10

{카테고리_이름} GaneData I-DEM 16에 대한 사용자 설명서 및 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. GaneData I-DEM 16 14 페이지. Usb caller id device

Caller ID Structure:

Within the FSK data types, there are two types of message structures. The one used

in Europe (including the UK) and most of the US is known as the Multiple Data

Message Format (MDMF) and is described below. The other message structure is

known as the Single Data Message Format (SDMF). It is only used in some parts of

the US. The MDMF Caller ID message typically consists of the following:

Message type (Always

Sent)

Message length

Parameter type (At

Least 1 Sent)

Parameter length

Parameter

Parameter type

Parameter length

Parameter

Check Sum

• 1 Byte

• 1 byte (all the bytes to follow, except the Checksum)

• 1 Byte

• 1 Byte (=X)

• X Bytes

• 1 byte

(= y)

• y bytes (actual displayable information)

• 1 byte (used for checking for any errors)