Zebra 105SL - Page 30

Page 2-8 105SL Maintenance Manual 32056L Rev. 2 12/4/01
SECTION 2 OPERATION OVERVIEW
The pin outs and signal descriptions for the DB-25 DTE port are as follows:
Pin 1—FG (Frame ground) for cable shield.
Pin 2—TXD (RS-232 Transmit Data): Output from printer
Pin 3—RXD (RS-232 Receive Data): Input to printer
Pin 4—RTS (RS-232 Request to Send): Output from printer
Pin 6—DSR (RS-232 Data Set Ready): Input to printer
Pin 7—SG (Signal ground) for RS-232
Pin 9—+5VDC source (1 Amp maximum)
Pin 11—SGR (Signal ground reference) RS-422/RS-485
Pin 13—Data input B(–) RS-422/RS-485
Pin 14—Data output B(–) RS-422/RS-485
Pin 16—Data input A(+) RS-422/RS-485
Pin 19—Data output A(+) RS-422/RS-485
Pin 20—DTR (RS-232 Data Terminal Ready): Output from printer
NOTE: Pins 5, 8, 10, 12, 15, 17-18 and 21-25 are not used and are not terminated.
The pin outs and signal descriptions for the DB-9 DTE port are as follows:
Pin 1—Not used and not terminated
Pin 2—RXD (RS-232 Receive Data): Input to printer
Pin 3—TXD (RS-232 Transmit Data): Output from printer
Pin 4—DTR (RS-232 Data Terminal Ready): Output from printer
Pin 5—SG (Signal Ground)
Pin 6—DSR (RS-232 Data Set Ready): Input to printer
Pin 7—RTS (RS-232 Request To Send): Output from printer
Pin 8—CTS (RS-232 Clear To Send): Input to printer
Pin 9—+5 VDC signal
Figure 2-7. Serial Interface (Printers with DB-9 Connector)
+5 VDC source
Data output B(-)
Data output A(+)
Data input B(-)
Data input A(+)
Signal ground reference
Frame ground
9
14
19
13
16
11
1
725 mA
F1
+5 V
+5 V
RS-422/RS-485
(Adapter Zebra part # 33138)
RTS (request to send) output
CTS (clear to sent) input
+5 VDC source
RXD (receive data) input
TXD (transmit data) output
DTR (data terminal ready) output
SG (signal ground)
DSR (data set ready) input
2
3
4
5
6
7
8
9
RS-232 connector (DTE)
rear panel DB-9S
+5 VDC
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