Zebra DS3608 Product Reference Guide

RS-232 Interface 8 - 13
Software Handshaking
This parameter offers control of the data transmission process in addition to, or instead of, that offered by hardware
handshaking. There are five options.
If software handshaking and hardware handshaking are both enabled, hardware handshaking takes precedence.
• None: Select this to transmit data immediately. The digital scanner expects no response from the host.
• ACK/NAK: If you select this option, after transmitting data, the digital scanner expects either an ACK or NAK
response from the host. When it receives a NAK, the scanner transmits the same data again and waits for
either an ACK or NAK. After three unsuccessful attempts to send data after receiving NAKs, the digital
scanner issues an error indication and discards the data.
The digital scanner waits up to the programmable Host Serial Response Time-out to receive an ACK or NAK.
If the scanner does not get a response in this time, it issues an error indication and discards the data. There
are no retries when a time-out occurs.
• ENQ: If you select this option, the digital scanner waits for an ENQ character from the host before
transmitting data. If it does not receive an ENQ within the Host Serial Response Time-out, the digital scanner
issues an error indication and discards the data. The host must transmit an ENQ character at least every
Host Serial Response Time-out to prevent transmission errors.
• ACK/NAK with ENQ: This combines the two previous options. For re-transmissions of data, due to a NAK
from the host, an additional ENQ is not required.
• XON/XOFF: An XOFF character turns the digital scanner transmission off until the scanner receives an XON
character. There are two situations for XON/XOFF:
• The digital scanner receives an XOFF before has data to send. When the scanner has data to send, it
waits up to Host Serial Response Time-out for an XON character before transmission. If it does not
receive the XON within this time, the digital scanner issues an error indication and discards the data.
• The digital scanner receives an XOFF during a transmission. Data transmission then stops after sending
the current byte. When the digital scanner receives an XON character, it sends the rest of the data
message. The digital scanner waits indefinitely for the XON.

Zebra DS3608 Specifications

General

Type	Handheld bar code reader
Wavelength	655 nm
Sensor type	Laser
Scanner type	1D/2D
Tilt reading angle	0 - 360 °
Pitch reading angle	0 - 65 °
Light levels (direct sunlight)	0 - 108000 lx
Linear (1D) barcodes supported	Codabar, Code 11, Code 128, Code 39, Code 93, EAN 128, EAN 2, EAN 5, EAN-13, EAN-8, GS1 DataBar, Industrial 2 of 5, MSI, U.P.C., UPC-A, UPC-E
Optical sensor resolution (W x H)	1280 x 960 pixels
2D (matrix & stacked) barcodes supported	Aztec Code, Composite Codes, Data Matrix, Han Xin, MaxiCode, Micro QR Code, MicroPDF417, PDF417, QR Code, TLC-39
Input voltage	4.5 - 5.5 V
Power source type	RS-232, USB
Certification	RoHS EN 50581: 2012
Product color	Black, Grey
LED indicators	Yes
International Protection (IP) code	IP65
Standard interfaces	Keyboard wedge, RS-232, USB
Connectivity technology	Wired
Storage temperature (T-T)	-40 - 70 °C
Operating temperature (T-T)	-30 - 50 °C
Operating relative humidity (H-H)	5 - 95 %
Harmonized System (HS) code	84716070

Weight and Dimensions

Depth	132 mm
Width	77 mm
Height	185 mm
Weight	304 g