Akai CT-S21MTD-E3 Service Manual download pdf (Page 41)

MAX202E–MAX213E, MAX232E/MAX241E

±15kV ESD-Protected, +5V RS-232 Transceivers

14 ______________________________________________________________________________________

____________Pin Configurations and Typical Operating Circuits (continued)

TOP VIEW

TTL/CMOS

INPUTS

TTL/CMOS

OUTPUTS

GND

C1-

C2+

C2-

T1IN

T2IN

R2OUT

R1OUT

+5V TO +10V

VOLTAGE DOUBLER

+10V TO -10V

VOLTAGE INVERTER

0.1µF

0.1µF*

16V

0.1µF*

6.3V

0.1µF*

16V

0.1µF*

6.3V

C1+

RS-232 

OUTPUTS

RS-232

INPUTS

-10V

+10V

V+

+5V INPUT

V-

T1OUT

R1IN

R2IN

T2OUT

PIN NUMBERS ON TYPICAL OPERATING CIRCUIT REFER TO DIP/SO PACKAGE, NOT LCC. 

* 1.0µF CAPACITORS, MAX232E ONLY.



GND

T1OUT

R1IN

C2+

C1-

V+

C1+

MAX202E

MAX232E

R1OUT

T1IN

T2IN

R2OUT

R2IN

T2OUT

V-

C2-

DIP/SO

Table 3. DB9 Cable Connections

Commonly Used for EIA/TIAE-232E and

V.24 Asynchronous Interfaces

PIN CONNECTION

2 Receive Data (RD) Data from DCE

3 Transmit Data (TD) Data from DTE

4 Data Terminal Ready Handshake from DTE

5 Signal Ground

Reference point for

signals

6 Data Set Ready (DSR) Handshake from DCE

7 Request to Send (RTS) Handshake from DTE

8 Clear to Send (CTS) Handshake from DCE

9 Ring Indicator Handshake from DCE

Received Line Signal

Detector (sometimes

called Carrier Detect,

DCD)

Handshake from DCE

1 2 ... 36 37 38 39 40 41 42 43 44 45 46 ... 71 72

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Akai CT-S21MTD-E3 Service Manual Page 41

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