User's Manual

10
S2510 Reader - Reference Guide April ’00
2.1 General
This chapter describes the hardware comprising the S251B Reader and provides the
electrical specifications.
2.2 Product Description
The S251B Reader is contained in a IP20 polycarbonate box that enables easy inte-
gration into standard racks and cabinets.
The reader is shown in Figure 1 and the front panel is shown in Figure 2.
Figure 2: S251B Front Panel (with connector covers removed)
The reader comprises two modules assembled together in a housing. The modules
are:
Control Module
which contains all the circuitry required to communicate via the
interface to the computer and external devices, to provide syn-
chronization, and to control the RFM. It includes a
Dynamic Auto
Tuning
(DAT) function to automatically tune the antenna to reso-
nance.
Radio Frequency Module
(RFM) which contains all the analog functions of a TI-
RIS reading unit that are needed to initialize a TIRIS transponder
and to detect its return signal.