Citizen CL-S521 User Manual

52
Appendixes
Interfaces
XON/XOFF Protocol
Requirements to output X-ON code

Communication is possible when the power is on.

When the receive buer has less than 128 byte available, XOFF code is
output, then the receive buer has at least 1024 bytes available.
Requirements to output the X-OFF code

When the receive buer has less than 128 bytes available
XON
XOFF
Receive buer 16kB
1024 byte
128 byte
DTR Protocol
Conditions when the DTR signal is “Ready (High)”
All the following conditions are satised.

The receive buer is 128 byte or more available capacity.
* When the receive buffer has less than 128 byte available and
the DTR signal has changed to BUSY (Low) status, BUSY status is
maintained until the capacity of the receive buffer has reached
1024 bytes or more.
Conditions when DTR signal is “Busy (Low)”

When the receive buer has fallen to less than 128 byte available.

Citizen CL-S521 Specifications

General

Print technology	Direct thermal
Maximum resolution	203 DPI
PC connected	Yes
Standard interfaces	USB 1.1, Serial
Optional connectivity	Ethernet, Serial (RS-232)
USB 1.1 ports quantity	1
Connectivity technology	Wired
Flash memory	4 MB
Internal memory	16 MB
Compatible operating systems	Windows 7/XP/2003/2008/Vista
Form factor	Desktop
Core diameter	25 mm
Media thickness	0.0635 - 0.254 mm
Maximum media length	1625.6 mm
Maximum roll diameter	125 mm
Supported paper width	12.5 - 118.1 mm
Media thickness (imperial)	0.0025 - 0.01 \
Supported paper width (imperial)	0.50 - 4.65 \
Product color	Gray
Housing material	Metal, Plastic

Weight and Dimensions

Depth	289 mm
Width	231 mm
Height	183 mm
Weight	3600 g