RI-CTL-MB2B-30 Datasheet, PDF (16/40 Pages) Texas Instruments – Series 2000 Reader System

Electrical Installation
Table 2-2. ST21 – RS-422 Communication Interface (RI-CTL-MB6B)
Signal Name
RX+
RX–
GND
TX+
TX–
Pin
Comment
1
RS-422 Non-inverted Data Input
2
RS-422 Inverted Data Input
3
Signal Ground
4
RS-422 Non-inverted Data Output
5
RS-422 Inverted Data Output
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Table 2-3. ST21 – RS-485 Communication Interface (RI-CTL-MB6B)
Signal Name
TX+/RX+
TX–/RX–
GND
Pin
Comment
1
RS-485 Non-inverted Data Output/ Input
2
RS-485 Inverted Data Output/ Input
3
Signal Ground
Signal Name
VSP
GNDP
VDC
GND
VCC2
VCC3
GND
Table 2-4. ST22 – Supply
Pin
Comment
1
Supply voltage for the RF Module
2
Ground line for the RF Module supply.
3
Non-regulated supply voltage for the control logic
circuitry.
4
Signal ground line for the control logic supply.
5
Regulated supply voltage (5VDC) for the control
logic circuitry.
6
Memory data retention supply voltage
7
Signal ground
Signal Name
VCC
DM
DP
GND
Table 2-5. ST23 – Mini-USB B Interface
Pin
Comment
1
+5 VDC
2
Data –
3
Data +
4
Not connected
5
Ground
The red LED (furthest from the edge) will be lit to indicate that a USB Cable is connecting the Control
Module to a host computer and is powered.
Signal Name
SYNC. RX+
SYNC. RX–
GND
SYNC. TX+
SYNC. TX–
Table 2-6. ST24 – Synchronization Interface
Pin
Comment
1
RS-422/485 Non-inverted Data Input
2
RS-422/485 Inverted Data Input
3
Signal Ground
4
RS-422/485 Non-inverted Data Output
5
RS-422/485 Inverted Data Output
16
Installation
SCBU044 (11-09-21-077) – January 2008
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