Comtech EF Data SMS-451 - Manual (Page 24)

SMS-451 Sateliite Switch Revision 0
Introduction MN/SMS451.IOM
1–10
1.2 Specifications
The following specifications are referenced to the applicable switch.
1.2.1 SMS-451A Specifications
The interface operates to the specifications described in Table 1-1.
Table 1-1. SMS-451A Specifications
General Specifications
Interface:
IF
Baseband Data
TX Clock
75
Ω BNC (50Ω optional)
75 Ω BNC (50Ω optional)
75 Ω BNC (50Ω optional)
Controls:
Modulator
Demodulator
Common
A or B online select
Auto
A or B online select
Auto
Remote or Local
Indicators:
Modulator
Demodulator
Common
A or B online
A and B faults
A and B online
A and B faults
Power supply 1 and 2 On
Remote control activated
Remote Control Via external contact closures on a 25-pin female D connector for
A/B modulator select and A/B demodulator select.
Physical Specifications
Operating Temperature
0 to 40 °C (32 to 104°F)
Power 90 to 264 VAC
47 to 63 Hz
10W maximum
Size 19 W x 18 D x 3.5 H inches (48.26 H x 45.72 D x 8.89 cm)
Weight 10 lbs (4.5 kg)
Humidity 0 to 90% Noncondensing