TagMaster XT-2 Installation Manual & Data Sheet page 16

XT-2 Reader Installation Manual & Data Sheet
5.2.3.4 Mag-stripe Timing
The following values apply when all outputs are pulled up to 5V with 1kΩ resistors.
Table 7 Mag-stripe interface timing
Symbol Parameter
t LOAD to CLK setup time
SU
t Fall time (all signals)
F
t Rise time (all signals)
R
t Clock low
CL
t Clock high
CH
t LOAD hold time after last CLK change
H
LOAD
CLK
DATA
Figure 7 Mag-stripe timing diagram
5.2.4 Power Supply, Group J31
Pin 1 is internally connected to pin 3 and pin 2 is internally connected to pin 4. The
purpose is to make it possible to feed power to any peripheral equipment. Use pins 1
and 2 for power supply connection.
Table 8 Power Supply, Group J31
Pin
1
2
3
4
5.2.5 RS485 Serial Communication Interface, Group J41
The controller board has one RS485 serial interface for both 2-wire and 4-wire
communication. RS485 supports multi-drop serial networks. The communication can
be in both full duplex (4-wire) and half duplex (2-wire).
Note: If the installation requires long cables or high data speeds it may be necessary to
use termination.
© TagMaster
t
SU
t
CL
t
CH
Signal Description
SPL Positive DC supply input
RTN SPL Negative DC supply input
SPL Positive DC supply input, internally connected to pin 1
RTN SPL Negative DC supply input, internally connected to pin 2
Min
t
F
t
DH
Doc no. 10-407 02
Typ Max Unit
0
125
5
150
150
0
t
t
R
H
16 (26)
µs
ns
µs
µs
µs
µs