Technical Reference; Technical Specifications - GE MDS 4790 Series Installation & Operation Manual

MDS 05-3438A01, Rev. F
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10.0 TECHNICAL REFERENCE

10.1 Technical Specifications

The following specifications apply to all models unless noted.
GENERAL
Size:
Weight:
Frequency Range:
TX/RX Split:
Tunable Bandwidth:
Frequency Step Size:
Unit Diagnostic Address:
DATA CHARACTERISTICS
Signaling Standard:
Connector:
Data Rates (for locally
connected equipment):
Data Rates for
Diagnostic Port
Data Rates
(over-the-air):
Data Latency:
Byte Length
MDS 4790/9790 Series I/O Guide
2RU (8.89 cm/3.5 inch) high
43.7 cm (17.2 in) wide
36.6 cm (14.3 in) deep
(including internal duplexer and power supply)
9 kg (19.8 lbs.) maximum
MDS 4790A
330 to 512 MHz
MDS 9790A/C
800 to 960 MHz
Reprogrammable within smaller bands; duplexer
and helical filters may require retuning.
MDS 4790E/S—ETSI-Certified:
Band A: 400-420 MHz
Band B: 420-450 MHz
Band C: 450-480 MHz
Transmit and receive frequencies must be within
the same frequency band for ETSI-certified
radios. Other bands pending. Contact the factory
for additional information.
MDS 4790: Simplex to 132 MHz
MDS 9790: Simplex to 160 MHz
5 MHz maximum without alignment
of RX helical filters
6.25 kHz, 5.0 kHz (All models)
0...65000 (reprogrammable from 10000...65000)
EIA-232
DB-25 Female
110 bps, 300 bps, 1200 bps, 2400 bps, 4800 bps,
9600 bps, 19.2 kbps, 38.4 kbps asynchronous
Autobaud at 2400 bps, 4800 bps, 9600 bps,
19.2 kbps, 38.4 kbps
MDS x790A—9600 bps asynchronous
MDS 4790C models—19.2 kbps asynchronous
MDS 4790E models—4800 bps asynchronous
MDS 4790S models—9600 bps asynchronous
7 ms maximum at 9.6 kbps
10 or 11 bits
97