E-922-1-E
18
(2) Key Input Processing, data format
Key data format
S
T
X
ID
18
Send
mark
*1
n
4-digit space
C
R
L
F
Host system
→
Card reader
Key data request (only in Polling mode)
Send mark
Description
02
Key data request
*1 Mark (Card data request)
S
T
X
ID
*1
Send
mark
*1
n
Key data right justified (16 digits)
C
R
L
F
n: Device number (0 to F)
Card reader
→
Host system
Key data send
S
T
X
ID
15
Return
mark
*1
n
Key data return
C
R
L
F
Host system
→
Card reader Key data return
ID mark
Description
05
08
Active mode
Polling mode
*1 Mark content (Card data)
Send mark
Description
00
01
02
19
Fixed data
(Active mode)
Normal data send
(Polling mode)
No key data, Busy, etc.
(Polling mode)
Communication error
(Polling mode)
Return mark
Description
01
12
19
Normal receive
Acceptance disabled, etc.
Communication error