Label Maker User Manual
Section 5: Interface Specifications
Page 5-4       LM Basic 408e/412e Operator’s Manual
5.5 EXTERNAL SIGNAL INTERFACE
Unlike the more advanced SATO printers such as the CL4XXe series, the LM printer cannot be 
fitted with an EXT Signal Interface card for sending printer information status to any device or 
LAN. If you need this functionality in future, please consider purchasing a SATO printer featuring 
the EXT signal interface as an option.
5.6 SERIAL INTERFACE SPECIFICATIONS (RS-232C)
The serial interface of this printer conforms to the RS-232C standard.
There are two types of receive modes: 1. Single Job Buffer 2. Multi Job Buffer
These can be set using the dip switches.
Basic Specifications
Standard 
Interface 
On the interface board 
Dip Switch 
1) Character 
configuration 
2) Transmission 
speed 
3) Protocol 
OFF 8 bits 
1-
1 
Data bit 
length 
ON 7 bits 
DSW1-
2 
DSW1-3 
OFF OFF NONE 
OFF ON EVEN 
ON OFF ODD 
1-
2 
1-
3 
Parity bit 
(2-3) 
ON ON Not used 
OFF 1 bit 
1-
4 
Stop bit 
ON 2 bits 
DSW1-
5 
DSW1-6 DIPSW2-8 
OFF* 
DIPSW2-8 
ON 
OFF  OFF   9600bps   9600bps 
OFF ON 19200bps 19200bps 
ON  OFF  38400bps   4800bps 
1-
5 
1-
6 
Baud rate 
(5-6) 
ON  ON  57600bps   2400 bps 
DSW1-
7 
DSW1-8 DIPSW2-8 
OFF* 
DIPSW2-8 
ON 
OFF OFF Ready/Busy Ready/Busy 
OFF ON X-on-Xoff X-on-Xoff 
ON  OFF  Status 3 echo  Status 3 echo 
1-
7 
1-
8 
Protocol 
(7-8) 
ON ON Driver 
protocol 
Status2 echo 
Note: The switch between Single Job Buffer and Multi Job 
Buffer can be specified by software. *Valid if Compatible Mode 
is disabled in the printer via the Service Mode menu. 
Synchronization 
mode 
Asynchronous 
Maximum 
Receivable Buffer 
capacity 
2.95Mbyte 
Code used  ASCII(7 bit) Graphics(8 bit) 
Connectors 
Printer side DB-25S (Female) 
Cable side DB-25P (Male) 
Cable length 5 meters or less 
Transmission 
format 
Start  b1 b2 b3 b4 b5 b6 b7 b8  Stop 
Note b8 is not applicable when using 7 bits. 
Signal level 
High level: +5 ~ +12V 
Low level: -5 ~ -12V 
Near full 
Release Near Full 
Status 
2.95Mbyte 
0.95Mbyte remaining 
1.95Mbyte remaining 
0Mbyte










