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SMS-7000 Modem Protection Switch
Terrestrial Data
(Each channel)
IF Ports
IF
Prime Power
Size and Weight:
Control Unit
Switch Unit with IF Switch
Mounting
Temperature:
Operating
Storage
Humidity
EMI
Rev. 3
Table 1-5. SMS-7000 Specifications (Continued)
I/O Interfaces
V.35 Data: 25-pin female D.
EIA-422/MIL-STD-188 Data: 37-pin female D.
G.703 Balanced Drop and Insert: 15-pin female D.
G.703 Unbalanced Drop and Insert: Coax.
EIA-232 Data: 25-pin female D.
ADPCM Audio Data: 9-pin female D.
Engineering Data Channel: 25-pin female D.
Alarms: 25-pin female D.
External Reference Clock: BNC.
10 each IF Modulation: BNC.
10 each IF Demodulation: BNC.
8 each Uplinks: BNC.
8 each Downlinks: BNC.
Downlinks: up to 8.
Uplinks: up to 8.
Frequency response: 50 to 180 MHz.
Return loss: 18 dB.
Impedance: 75Ω or 50Ω (optional).
Isolation: 60 dB.
Transmit loss: < 1.5 dB.
Receive loss: < 5.0 dB.
General
90 to 264 VAC; 47 to 63 Hz, 40W max.
-48 VDC; 40W max. optional.
1U 19-inch (48.3 cm) rack mount by 20-inch (51 cm) deep,
< 10 lbs. (4.5 kg).
8U 19-inch (48.3 cm) rack mount by approx. 4.5-inch deep
(11 cm), < 20 lbs. (9.1 kg).
Top Mount.
Back Mount (Hinged).
0° to +40ºC (32° to 100°F).
-50° to +100ºC (-58° to 212°F).
95% at +40ºC (100°F), non-condensing.
CE-Mark certified.
Introduction
1–13
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