CHAPTER
2 R
EADER
H
ARDWARE
I
NSTALLATION AND
O
PERATION
ALR-9900
H
ARDWARE
S
ETUP
G
UIDE
DOC.
CONTROL
#8102086-000
REV
A
9
Reader I/O Panel
The I/O panel (shown below) houses the following:
14-pin female I/O terminal block
LAN TCP/IP port
9-pin D female RS-232 serial port
Power connector
Diagnostic LEDs
The ALR-9900 includes diagnostic LEDs on the face of the reader to provide
easy and convenient external indication for various operating conditions:
POWER (green)
- indicates power is applied to the reader
LINK (green)
– indicates that the reader is connected to the network
ACTIVE (green)
– indicates reader is transmitting on the network
ANT 0 – ANT 3 (green)
– indicates that the reader is transmitting power
on the specified antenna port
CPU (green)
– indicates that the CPU has booted successfully and is
running normally.
READ (green)
– indicates that the reader is receiving data from a tag
SNIFF (green)
– indicates a tag signal has been detected, though it may
not be strong enough yet to complete a transaction.
FAULT (red)
– indicates a fault condition with the reader.
Figure 5 - ALR-9900 Reader Connections
