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Comtech EF Data SMS-7000 User Manual

Page 33

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SMS-7000 Modem Protection Switch

Introduction

Rev. 3

1–13

Table 1-5. SMS-7000 Specifications (Continued)

I/O Interfaces

Terrestrial Data
(Each channel)

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.

IF Ports

10 each IF Modulation: BNC.
10 each IF Demodulation: BNC.
8 each Uplinks: BNC.
8 each Downlinks: BNC.

IF

Downlinks: up to 8.
Uplinks: up to 8.
Frequency response: 50 to 180 MHz.
Return loss: 18 dB.
Impedance: 75

Ω or 50Ω (optional).

Isolation: 60 dB.
Transmit loss: < 1.5 dB.
Receive loss: < 5.0 dB.

General

Prime Power

90 to 264 VAC; 47 to 63 Hz, 40W max.
-48 VDC; 40W max. optional.

Size and Weight:

Control Unit

Switch Unit with IF Switch

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).

Mounting

Top Mount.
Back Mount (Hinged).

Temperature:

Operating

Storage

0

° to +40ºC (32° to 100°F).

-50

° to +100ºC (-58° to 212°F).

Humidity

95% at +40ºC (100

°F), non-condensing.

EMI

CE-Mark certified.