Microwave Data Systems MDS entraNET 900 System Manual page 137

MDS 05-4055A01, Rev. A
Data Rate:
Data Latency:
PORTS (Remote):
Ethernet:
Interface Connectors:
Data Rate:
COM1, COM2:
Signaling Standard:
Interface Connectors:
Interface:
Data Rate:
Data Latency:
PROTOCOLS:
RADIO CHARACTERISTICS
GENERAL:
Frequency Range:
Frequency Hopping Range:
Hop Pattern:
Frequency Stability:
TRANSMITTER:
Power Output
(at antenna connector):
Duty Cycle:
Modulation Type:
Output Impedance:
Spurious:
Occupied Bandwidth:
RECEIVER:
Type:
Sensitivity:
Intermodulation:
MDS entraNET 900 System Guide (Preliminary)
1200–115,200 bps
asynchronous
< 10 ms typical
RJ-45 Standard
10BaseT
EIA-232/V.24
DB-9
COM1: DCE / COM2: DTE
1200–115,200 bps
asynchronous
< 10 ms typical
• CSMA/CA Wireless Protocol with Collision Avoid-
ance (802.11)
• IEEE 802.11 CSMA/CD (Wireless)
• IEEE 802.3 (Ethernet)
• IP/Ethernet (ICMP, UDP, TCP, ARP)
• Clear-channel mode for serial async multidrop
protocols including: Modbus, DNP.3, Bisync,
BSAP, DF1, TotalFlow, Poll Select
902–928 MHz ISM Band
Ten user-configurable 2.5 MHz-wide zones,
each containing 8 frequencies
Based on network name
20 ppm
0.1 to 1.0 watt (+20 dBm to +30 dBm) ±1.0 dB,
set by user
Continuous
Binary CPFSK
50 Ohms
–67 dBc
200 kHz
Double conversion superheterodyne
–108 dBm @ 106 kbps < 1x10 -
59 dB Minimum (EIA)
6
BER
129