Datasheet

MAX214
Programmable DTE/DCE,
+5V RS-232 Transceiver
10 ______________________________________________________________________________________
TRA
RTA
TRB
RTB
TRC
RTC

RDTC
RRE
3
2
7
8
4
6
1
9
TxD
RxD
RTS
CTS
DTR
DSR

DCD
RI
5
6
25
23
24
22

7
8
MAX214
HI-Z SHDN DTE/DCE
MAX214
HI-Z SHDN DTE/DCE
TA
RA
TB
RB
TC
RC

RDC
RE
9
10
20
19
18
17

11
12
HIGH HIGH
5
6
25
23
24
22

7
8
TA
RA
TB
RB
TC
RC

RDC
RE
TRA
RTA
TRB
RTB
TRC
RTC

RDTC
RRE

PC1
(DTE MODE)
STANDARD
RS-232
CABLE

PC2
(DCE MODE)
DB-9 CONNECTORS
21263 21263
V
CC
9
10
20
19
18
17

11
12
3
2
7
8
4
6
1
9
POWER CONNECTIONS OMITTED FOR CLARITY.
Figure 4. Typical Application Circuit Showing 2 PCs with Both DTE and DCE Operation