Null-modem cables | Quatech MPAP-100 instruction

19.3 Null-modem cables

1			CGND
2		X	TXD	BA	TxDA pin
3	X		RXD	BB	RxDA pin
4		X	RTS	CA	RTSA pin
5	X		CTS	CB	CTSA pin
6	X		DSR	CC	DCDB pin
7			DGND	AB
8	X		CD	CF	DCDA pin
9			N/C
10	X		SYNCA	*	SYNCA pin
11		X	RXCLK (DTE)	*	RTxCA or TRxCB pin
12			N/C
13			N/C
14			N/C
15	X		TXCLK (DCE)	DB	TRxCA pin
16			N/C
17	X		RXCLK (DCE)	DD	RTxCA pin
18		X	LLBK	LL	Comm. Reg. bit 5
19			N/C
20		X	DTR	CD	DTR/REQA pin
21		X	RLBK	RL	Comm. Reg. bit 4
22	X		RING	CE	PCMCIA STSCHG signal
23			N/C
24		X	TXCLK (DTE)	DA	TRxCA pin
25	X		TEST MODE	TM	Comm. Reg. bit 7

* Not included in the official RS-232-D specification

Table 17 --- Connector Pin Definitions

19.3 Null-modem cables

The MPAP-100 does not use a standard asynchronous PC serial port connector pinout. Typical off-the-shelf null-modem cables cannot be used with this card!

Image 56

Quatech MPAP-100 user manual Null-modem cables

Contents

MPAP-100 RS-232 PCMCIA SYNCHRONOUS ADAPTER Users Manualfor PCMCIA Card Standard compatible machines QUATECH, INC WARRANTY INFORMATION MPAP-100PRODUCT DESCRIPTION Single Channel PCMCIA RS-232-D Synchronous Communications Adapter Copyright 2001 Quatech, Inc 5.2.1 Tying a configuration to a particular socket 5.3 OS/2 Client Driver Configuration Examples5.4 Monitoring The Status Of PCMCIA Cards Table of Contents Table of Contents 10.3.1 Using channel A for both transmit and receiveAccessing the SCC while FIFOs are enabled 22.1.4 Older Versions of Card and Socket Services 1 Introduction 1.1 System Requirements 2 Hardware Installation 3 DOS / Windows 3.x Software Installation DEVICE=drive\path\MPAP1CL.SYS S#,B#,I#,C ... S#,B#,I#,C 3.1.1 DOS client driver installation3.1 MPAP-100 Client Driver for DOS 3.1.2 Auto Fallback configuration 3.1.3 Hot SwappingPage 3.2 DOS Client Driver examples DEVICE=C\MPAP-100\MPAP1CL.SYSDEVICE=C\MPAP-100\MPAP1CL.SYS b300,c DEVICE=C\MPAP-100\MPAP1CL.SYS s0,b300,i5 3.3 MPAP-100 Enabler for DOS 3.3.1 DOS Enabler Installation3.3.3 Configuring a card 3.3.2 Hot Swapping is not supported MPAP1EN S#,B#,I#,W#,C 3.3.4 Releasing a cards configuration MPAP1EN S#,R,W# 3.4 DOS Enabler Examples MPAP1EN.EXE s0,b300,i5,cMPAP1EN.EXE s1,b300,i3,wd8 MPAP1EN.EXE s0,r 4 Windows 95/98 Installation 4.1 Using the Add New Hardware WizardPage Page 4.2 Viewing Resources with Device Manager 4.3 Configuration Options 5 OS/2 Software Installation 5.2 OS/2 Client Driver Installation5.1 System Requirements DEVICE=drive\path\MPAP100.SYS addr,irq,C ... addr,irq,C 5.2.2 Auto Fallback configuration 5.2.3 Hot Swapping 5.5 Installing OS/2 PCMCIA Support DEVICE=C\MPAP-100\MPAP100.SYS 300,5Page 6 Using the MPAP-100 with Syncdrive 7 Addressing 8 Interrupts 9 SCC General Information SDLC/HDLC Bit Synchronous CommunicationsByte-oriented Synchronous Communications Asynchronous Communications 9.1 Accessing the registers Example 3 Write data into the transmit buffer of channel A Master interrupt control and reset coding, CRC resetInterrupt control, Wait/DMA request control Interrupt vector 9.2 Baud Rate Generator Programming 9.3 SCC Data Encoding Methods9.4 Support for SCC Channel B ClockFrequency TimeConst 2 BaudRate ClockMode 9.4.1 Receive data and clock signals 9.4.4 Other signals are not used9.4.2 Extra clock support for channel A 9.4.3 Extra handshaking for channel A 9.5.2 Software Interrupt Acknowledge 9.5 SCC Incompatibility Warnings9.5.1 Register Pointer Bits 10.2 Accessing the FIFOs 10 FIFO Operation10.1 Enabling and disabling the FIFOs 10.2.1 Transmit FIFO 10.3 SCC configuration for FIFO operation 10.2.2 Receive FIFO Register 10.3.2 Using channel B for receive 10.4 FIFO status and control 10.4.1 Interrupt status 10.4.2 Resetting the FIFOs 10.5 Accessing the SCC while FIFOs are enabled10.4.3 Reading current FIFO status 10.4.4 Controlling the FIFOsPage 10.7 Receive FIFO timeout 11 Communications Register SWSYNC Bits 1-0 Reserved, always RCKEN --- Receive Clock SourceBit 2 TCKEN --- Transmit Clock Source 12 Configuration Register INTS1, INTS0 --- Interrupt Source and Enable BitsFIFOEN --- External data FIFO enable External Data FIFOs Present --- Reserved, always RXSRC --- Receive FIFO DMA Source 13 Interrupt Status Register 14 FIFO Status Register 15 FIFO Control Register 16 Receive Pattern Character Register Bits 7-0 Receive Pattern CharacterThis is 17 Receive Pattern Count Register Bits 7-0 Receive Pattern Count Bit 7 X16MODE --- Clock Mode 18 Receive FIFO Timeout RegisterBit 6 Reserved, always Bits 5-0 Timeout Interval 19 External Connections 19.1 SYNCA pin 19.2 RING pin 19.3 Null-modem cables 20 DTE Interface Signals CIRCUIT AB - SIGNAL GROUNDCIRCUIT BB - RECEIVED DATA CIRCUIT CB - CLEAR TO SEND CIRCUIT CC - DCE READY DATA SET READY CONNECTOR NOTATION DSR CIRCUIT CD - DTE READY DATA TERMINAL READY CONNECTOR NOTATION DTRCIRCUIT CE - RING INDICATOR CONNECTOR NOTATION RING CIRCUIT CF - RECEIVED LINE SIGNAL DETECT CARRIER DETECT CIRCUIT TM - TEST MODE 21 Specifications 22 Software Troubleshooting 22.1.3 Multiple Configuration Attempts22.2 DOS Enabler 22.1 DOS Client Driver 22.1.1 Generic SuperClient Drivers 22.2.1 With Card and Socket Services 22.2.2 Socket Numbers22.2.3 Memory range exclusion 22.3 OS/2 Client Driver 22.3.1 Resources Not AvailablePage MPAP-100 Users Manual Revision March P/N