66 MDS TransNET I&O Guide MDS 05-2708A01, Rev. D
10.0 TECHNICAL REFERENCE
10.1 Product Specifications—900 MHz
GENERAL
Frequency Hopping Range: 902–928 MHz,
Subdivided into eight 3 MHz zones
Hop Pattern: Based on network address
Frequency Stability: ±1.5 ppm
Half-Duplex Operation: ±1.6 MHz TX/RX split
Network Addresses: 65,000
Temperature Range: –40° C to +70° C
Humidity: <95% at +40° C; non-condensing
Primary Power: 13.8 Vdc, Nominal (6–30 Vdc range)
Current Draw
(typical @ 30 dBm):
Transmit: 510 mA @ 13.8 Vdc
Receive: 115 mA @ 13.8 Vdc
Sleep Mode: ≤ 3 mA @ 13.8 Vdc
Size: 5.30˝ W x 3.50˝ D x 1.40˝ H
(135 W x 89 D x 36 H mm):Weight:1
Lb/0.5 k w/o brackets;
1.15 Lb / 0.52 k w/brackets
Weight: 1 Lb / 0.5 k w/o brackets;
1.15 Lb / 0.52 k w/brackets
Case: Die-cast aluminum
Agency Approvals: • FCC Part 15.247
(E5MDS-EL805)
• Industry Canada RSS-210 and RSS-139
(CAN 3738A 12122)
• UL/CSA Class 1, Div. 2; Groups A, B, C
and D hazardous locations
• Contact MDS for information on availabil-
ity of governmental approvals in other
countries
DATA CHARACTERISTICS (DB-9 Data Port
Data Interface: RS-232/422/485
Interface Connector: DB-9 female
Data Rate: 300, 600, 1200, 1800, 2400, 4800, 9600,
19200, 38400, 57600, 115200 bps asyn-
chronous
Data Latency: 7 ms typical
Byte Length: 10 or 11 bits
Maximum Data Transmission: Continuous up to 115200 bps
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