MagTek PORT POWERED SWIPE READER - Manual (Page 18)

Port Powered Swipe Reader
12
TIMING FOR ID SIGN ON
Timing for the ID Sign-on and transmission bursts (5 ms with 10 ms between bursts) are shown
in Figure 3-1.
Note
The “Transmission Burst” timing shown in Figure 3-1 only applies
to the old version of the Reader. The new version does not apply
the 10 ms gap between transmission bursts but rather transmits the
full message without any delays. The Sign-on ID delay is in the
range between 150 to 330 milliseconds.
Figure 3-1. Timing For ID Sign-on and Transmission Bursts (Old version).
The firmware controls the operation of Sign-on ID and Transmission bursts in the following
format:
210888xxLnn<CR>
Where:
the first 8 digits are the firmware part number
xx represents the Swipe Reader series
L is the alpha revision
nn is the number sub-revision
<CR> (Carriage Return) is 0x0D
DTR
150 - 330 ms
Sign-on ID
Transmission
Burst
5 ms
10 ms