User`s manual

APPENDIX B
SPECIFICATIONS
APX B-1
ESTeem General Specifications
SWITCHES:
• Off/On/Reset
• RS-232C/422/485 Setup
LED INDICATORS:
• Power On
• Receiver Carrier Detect
• Transmitter Enable
• Link Connect/Disconnect
• Auto Connect Enabled
• RS-232C/422/485 Framing
Error.
I/O - CONNECTORS:
• Asynchronous Full Duplex,
RS-232C, RS-422 and RS 485
with 25 Pin Sub D Connector.
• Antenna Output - TNC
connector
• Input Power - 2 pin molex
ADDRESSING RANGE:
• 0 to 255
DATA INPUTS:
• Selectable 50 to 9,600 baud
• 7 to 8 data bits
• Even, odd, or no parity
• One or two stop bits
DATA BUFFERS:
• Transmit 2020 bytes
• Receive 2020 bytes
FLOW CONTROL:
• Hardware or Software
DATA TRANSMISSION
PROTOCOL:
• Carrier Sensed Multiple
Access with Collision
Detection (CSMA-CD)
ERROR CHECKING:
16 Bit Cyclic Redundancy Check
(CRC) with packet acknowledge
and retry
MINIMUM RADIO TURN
AROUND TIME:
• < 90 MS + Data (W/O ACK)
• < 180 MS + Data (W/ACK)
ENVIRONMENT:
• -20 TO 50 ° C.
• 95% non-condensing
WARRANTY:
• 1 Year