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Nortel Networks CTA 500dm manual Serial Interface Control Lines commands summary, Flow Control

Models: CTA 500dm

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Serial Interface Control Lines commands summary

AT commands 57

Serial Interface Control Lines commands summary

Command	Description	Value

\Qn	serial interface	0	none
	flow control	1	bidirectional XON/XOFF
		1	bidirectional XON/XOFF
		2	not supported
		3	bidirectional RTS/CTS
			(default)
		4	not supported

&Cn	DCD operation	0	always on
		1	tracks connection (default)
		2	always on, except temporarily
			after disconnect

&Dn	DTR operation	0	ignored (default)
		1	enter command state
		2	hang-up and disable auto
			while DTR is down
		3	hang-up and reset port

&Rn	CTS operation	0	CTS follows RTS
		1	CTS is always on when on-line
			(default)

&Sn	DSR operation	0	DSR is always on (default)

Flow Control

The Flow Control Command

\Qvalue

sets the method of ßow control on the interface between the

CTA 500dm and the attached computer. The following table shows the allowable values.

Value	Use

0	disable flow control

1	enable bidirectional XON/XOFF software flow control

2	not supported

3	enable bidirectional RTS/CTS hardware flow control (default)

P0873832 Issue 05

CTA 500dm On Line Guide

Image 57

Nortel Networks CTA 500dm manual Serial Interface Control Lines commands summary, The Flow Control Command

Contents

The CTA 500dm in the Digital Network CTA 500dmUsing a CTA 500dm compliant Norstar TAPI Service Provider, the Applications About this document CTA 500dm feature summarySee Installing CTA 500dm and Norstar TAPI Service Provider software First-time setup6 First-time setup P0873832 IssueCTA 500 dm On Line Guide Installation and setup Wall mounting the CTA 500dm Setting up the ICS Compact ICSModular ICS Setting up the PC ¥ Installing CTA 500dm and Norstar TAPI Service Provider software Conﬁguration¥ ConÞguring the PC serial port Conﬁguring the PC serial port Installing CTA 500dm and Norstar TAPI Service Provider software8. Click OK Conﬁguring the CTA 500dm if not conﬁgured during installation Conﬁgure CTA 500dm to access PP/MP data calls Adding multiple CTA 500dm conﬁgurations Upgrading the CTA 500dm software Uninstalling the CTA 500dmP0873832 Issue 18 ConﬁgurationCTA 500dm On Line Guide Conﬁgure TAPI dialing properties Installing Norstar TAPI SPInstalling Personal Call Manager Using PCM for the ﬁrst time 22 Installing Norstar TAPI SP P0873832 IssueCTA 500dm On Line Guide ¥ Connecting to a Windows 95 Dial-Up Server ¥ Installing Dial-Up Server ¥ Allowing access to your PC¥ Connecting to Resources on the Dial-Up Server Resource sharingAllowing access to your PC Installing Dial-Up ServerConnecting to a Windows 95 Dial-Up Server Connecting to Resources on the Dial-Up Server CTA 500dm On Line Guide Note Windows Explorer displays the new drive letter 7. Click OKP0873832 Issue 28 Resource sharingCTA 500dm On Line Guide ¥ General commands ¥ S-registers commands ¥ Call Control commands AT commands¥ TCM Ports Protocol Selection commands ¥ Serial Interface commands ¥ Serial Interface Control Lines commandsProﬁle Proﬁle commands summaryLoad Stored Proﬁle on Start-up Load Stored ProﬁleWrite Active Proﬁle to Memory StateState commands summary Enter Download State Return to On-line Data StateGeneral commands summary GeneralEscape Sequence Command 36 AT commandsset echo command turn echo on defaultRequest Identiﬁcation Set Local Echo View ParametersDisplay Saved Dial String Save Dial StringVerbose Control Result Code Suppression ControlCTA 500dm responsesÓ on page S-register commands summary S-registersCall Monitoring Result Code Selection Query S-Register Set S-RegisterS-register set Call Control commands summary Dial CommandCall Control Press any key before the call is completed to abort the Dial Command Answer Command Outgoing Call Control commands summary Hook CommandOutgoing Call Bearer Service Control Outgoing Call ControlChannel Speed Control Incoming Call ControlIncoming Call Control commands summary Incoming Voice Bearer Call Ratemessages. See ÒBearer CapabilitiesÓ on page 81 for more information Audio Bearer Call Answer Control Speech Bearer Call Answer ControlRinging Indications Data Bearer Call Answer ControlTCM Port Protocol Selection Command TCM Ports Protocol SelectionRate Adaptation Protocol Selection MP command summary CTI MUX ModeRate Multiplier Serial Interface commands summary Serial InterfaceSerial Interface Rate Set Data Bits Set ParitySerial Interface Control Lines Set Stop BitsFlow Control Serial Interface Control Lines commands summaryThe Flow Control Command sets the method of ßow control on the interface between theOK Appears when the value is supported DTR Operation DCD OperationCTS Operation Calling Line ID DSR OperationRI Operation Calling Line ID Delivery Control Calling Line ID commands summaryResult Codes Calling Line ID QueryCaller ID Security Caller ID Security Mode Selection Caller ID security commands summaryAdd Number select CLID security modeClear List Delete NumberView List See ÒView ParametersÓ on page 38 for more informationSummary of AT commands AT commands Command 68 AT commandsdata bearer service defaultAT commands Command 70 AT commandsP0873832 Issue DescriptionTroubleshooting Power problem?LED problem? ¥ See ÒSet Local EchoÓ on page 38 for more information AT command problem?Data call problem? ¥ Check that you are subscribing to an MP capable service Appendix Canadian & US Safety Installation Instructions Please Read Carefully1. Read and understand all instructions Important Safety Instructions15. Save these instructions CANADIAN AND US REGULATIONSEMI/EMC For Class A Host equipmentFor Class B Host equipment WARRANTY INFORMATION Address for warranty and repairs in the United StatesAddress for warranty and repairs in Canada ¥ Point-to-Point Protocol ¥ Multilink PPP Rate adaptation protocol speciﬁcationsBearer Capabilities CTA 500dm LED Initialization strings Numeric CTA 500dm responsesDB-25 connection DB-25 and DB-9 signal summaryAcronyms used in this document LEDÑLight Emitting Diode