Comtech EF Data SDM-300A - Manual (Page 357)

19–1
Chapter 19. Specifications
19.1 Specifications Summary
Table 19-1. Specification Summary
Parameter Specification
Operating Frequency Range 50 to 180 MHz
Synthesized in 1 Hz steps
Modulation Types
(Front panel selection) 8-PSK
BPSK
QPSK
OQPSK (FAST upgrade, front panel selection)
Operating Channel Spacing Less than 0.5 dB degradation operating with two adjacent like channels (each 10
dB higher at 1.3 times the symbol rate)
A single adjacent carrier spaced 1.4 times the symbol rate, up to +20 dBm
Baseband Interface EIA-422/449
V.35
EIA-232
G.703 -1544
G.703 -2048
(Field-selectable)
Elastic Buffer 32 to 262144 bits, selectable from front panel in bits or ms
Digital Data Rate 2.4 kbps to 5.0 Mbps in 1 bps steps
(front panel selection)
Scrambling/Descrambling
Types
IESS 309 (Synchronous 215)
International Telephone and Telegraph Consultative Committee (CCITT) V.35
Comtech EF Data/Comstream compatible
Fairchild compatible