Citizen CLP-621 Technical Manual

2-4. Interface
2-4. Interface
2-49 CLP-621 & CLP-631
2-4-1. Serial Interface
(1) Specifications
System Start/stop asynchronous full duplex communication
Signal level RS-232C
Baud rate 2400, 4800, 9600, 19200, 38400, 57600, 115200 bps
Data length 7 bits, 8 bits
Stop bit 1 bit, 2 bits
Parity Odd, even, none
Connector D-SUB JHBY-25S-1A3G 25PIN (JST)
(2) Signal line and pin assignment
Pin No. Signal Abbr. Signal name Function
1 FG Frame ground Protective grounding
2 TXD Transmit Data Signal line that transmits data from the printer to
the host
3 RXD Receive data Signal line that transmits data from the host to
the printer
4 RTS Request To
Send
Pulled up to +12V through 3.3 kΩ
5 NC ------ Not used
6 DSR Data Set Ready Signal line that is active when the host can
interface with the printer
7 SGND Signal ground Signal grounding line
8-17, 19 NC ------ Not used
14 VCC +5V (Factory use only )
20 DTR Data Terminal
Ready
Signal line that is active when the printer can
interface with the host
21-25 NC ------ Not used

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