Citizen CLP-621 User Manual

53
Appendixes
Interfaces
XON/XOFF Protocol
Requirements to output X-ON code
• Communication is possible when the power is on.
• When the receive buffer has less than 128 byte available, XOFF code is
output, then the receive buffer has at least at least 1024 bytes available.
Requirements to output the X-OFF code
• When the receive buffer has less than 128 bytes available
16Kbyte
XON
XOFF
Receive buffer
1024 byte
128byte
DTR Protocol
Conditions when the DTR signal is “Ready (High)”
All the following conditions are satisfied.
• The receive buffer 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 buffer has fallen to less than 128 byte available.

Citizen CLP-621 Specifications

General

USB port	No
RS-232 interface	Yes
Optional connectivity	Ethernet
USB 1.1 ports quantity	1
USB 2.0 ports quantity	0
Connectivity technology	Wired
Flash memory	2 MB
Certification	UL, C-UL, FCC class A, CCC, CE Marking
Internal memory	8 MB
Number of fonts	2
Built-in barcodes	PDF417, UPC-A, UPC-E
Built-in processor	32 Bit RISC
Mean cycles between failures (MCBF)	1000
Power consumption	2400 mA
Power requirements	100 - 240V, 50 / 60Hz
Compatible operating systems	Windows 2000, XP, Vista
Core diameter	25.4 mm
Ribbon length	360 m
Media thickness	0.0635 - 0.254 mm
Maximum label length	812 m
Maximum roll diameter	127 mm
Supported paper width	19.5 - 118 mm

Weight and Dimensions

Depth	114 mm
Width	91 mm
Height	104 mm