User's Manual

20
S2510 Reader - Reference Guide April ’00
2.2.2 Switches
There are three banks of DIP switches on the S251B Reader, one is for the Control
Module set-up (12 switches), one is for the RS422/RS485/DAT settings (5 switches),
and the third one is for the synchronization settings (5 switches). The Control Module
set-up switches are listed in Table 21, the RS422/RS485/DAT settings are listed in
Table 23, and the synchronization settings switches are listed in Table 24. The ON
position and switch 1 are always shown in the switch bank, the switch is on when the
switch is set to the up position.
Figure 4: CTL Setup Switches
* When this switch (11) is switched either from ON-to-OFF or from OFF-to-
ON the reader’s transmitter is activated for 10 seconds.
Table 21: CTL Setup DIP Switches
Switch OFF ON
1 RAM - VCC -
2
Chip Select ROM for TIRIS
Standard Firmware
Reserved for Software Development
3 Reserved for Software Development
Chip Select RAM for TIRIS Standard
Firmware
4
Chip Select RAM for TIRIS Standard
Firmware
Reserved for Software Development
5 PSEN Reserved for Software Development
6 See Table 22
7 See Table 22
8 TIRIS Standard Configuration Customer Specific Configuration
9 Reserved
10 Reserved
11 TXCT-ON *
12 Not Connected
Table 22: I/O Setting Switches (6 & 7)
SW6 SW7 Comment
OFF OFF No effect
ON ON/OFF Reset reader by switching RS232 DTR line
OFF ON Can be used by customer firmware for hardware handshake
ON
1