Zebra 77660 用户手册
13358L Rev. 1 11/17/03
Z4Mplus and Z6Mplus Maintenance Manual
11
System Description
Section 1
RS-232 Interface Connections
The printer is configured as Data Terminal Equipment (DTE).
Figure 1-3 illustrates the internal connections of the printer’s RS-232 connector.
Figure 1-3. RS-232 Connections
Figure 1-4. DTE to DTE Interconnection
Note • Pin 1 is unused and unterminated.
RS-232 Connector (DTE)
Rear Panel Female DB-9
RXD (receive data) input
TXD (transmit data) output
DTR (data terminal ready) output
SG (signal ground)
DSR (data set ready) input
RTS (request to send) output
CTS (clear to send) input
+5VDC signal source
2
3
4
5
6
7
8
9
R1
+5VDC
1 K
Note •
The cable used to connect the printer to a computer must be a null modem
(crossover) cable. If you want to connect the printer to any other DTE devices, a null
modem cable must also be used.
modem cable must also be used.
1
(TD)
(TD)
(RD)
(RD)
(RTS)
(RTS)
(DSR)
(DSR)
(SG)
(SG)
(DTR)
(DTR)
DTE
DTE
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9