Specifications

Pin No. Serial Data Port Signal Description
1 Frame Ground
2 Transmit Data: TXD is the serial data output of the Zebra S-Series printer.
It is on this lead that printer status information is transmitted
to the host.
3 Receive Data: RXD is the serial data input to the Zebra S-Series printer from
the host.
4 Request To Send: RTS is an output from the Zebra S-Series printer.
It is a constantly active output to the host computer.
6 Data Set Ready: DSR is an input to the Zebra S-Series printer from the host.
7 Signal Ground: Tied to logic ground. This lead serves as the voltage
reference between the two communicating devices.
9 Reserved: For Future Use.
20 Data Terminal Ready: DTR is an output from the Zebra S-Series printer
and is the control line between the printer and the host. When the DTR
control line from the printer is in the ON condition, the host is allowed to
send data to the printer. When DTR is in the OFF condition, the host is not
allowed to send data. This condition occurs when the printer is configured
for DTR/DSR data flow control and the communication buffer is within
512 characters of its capacity.
5, 8, 10-19,
21-25
Unterminated: These leads are not used.
RS-232
J7
20
1 Amp
F
4
9
7
6
4
+5 V
Data Terminal
Ready
Data Set Ready
Signal Ground
Request To Send
3
2
1
Receive
Transmit
Frame Ground
Reserved for
Future Use
MAX232
8
7
13
14
10
9
12
11
COMM PORT
RS-23 2
RS-23 2
The S -Series System S -Series Maintenance Manual: Volume 1
Page 1-8 38452L Rev. 3