RS366 interface

pinout (распиновка)

25 pin D-SUB MALE connector at the DTE (Computer)

RS366 interface describes the "Interface Between Data Terminal Equipment and Automatic Calling Equipment for Data Communication." To tell that in a normal language is almost impossible. There are situations where automatic dialing is required. Some phone companies deliver an automatic dialing unit for these situations and this interface is used to connect a DTE to these Automatic Calling Equipment (ACE).

Pin	Function	Description	Circuit EIA
1		unused
2	Digit Present	A signal given to the ACE indicating that the digit lines contain a digit	DPR
3	Abandon Call and Retry	An indicator signal from the ACE that it could not make a connection. Could be "busy".	ACR
4	Call Request	A signal from the DTE that tells the ACE to go "off hook"	CRQ
5	Present Next Digit	A signal from the ACE to the DTE to indicate that the ACE is ready to receive the next digit.	PND
6		unused
7		unused
8		unused
9		unused
10		unused
11		unused
12		unused
13	Distant Station Connected	Indicator from ACE to DTE that the call is succesfully made.	DSC
14-17	Digit Signal Circuits	Four lines containing a parallel BCD dial digit (10 digits, plus control digits)	NB1-NB8
18		unused
19		unused
20		unused
21		unused
22	Data Line Occupied	An indicator that is used by the ACE to let the DTE know that the line it wants to use is used by another device.	DLO
23		unused
24		unused
25		unused

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25 pin D-SUB FEMALE connector at the DCE (Modem)

Pinouts.ru > Распиновки последовательных портов > Распиновка RS366 interface использующего разъем 25 pin D-SUB MALE и разъем 25 pin D-SUB FEMALE Источник(и): RS366 Page at Connectivity Knowledge Platform (Made IT)	Статус документа:	не подтвержденный
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