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Comtech EF Data KST-2000A/B User Manual

Page 25

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Ku- Band Satellite Transceiver

Revision 9

Introduction

MN/KST2000AB.IOM


1–11

Table 1-2. Converter Unit Specifications (Continued)

General Converter Characteristics (Continued)

Prime Power

85 to 264 VAC, 47 to 63 Hz, <200 W(Optional
–48 VDC input)

Keypad/Display Interface

Weatherproof 16 character LED display with
Up (

S), Down (T), Left (W ), Right ( X),

[Clear] and [Enter] pushbuttons

Serial Data Interface (User
Selectable)

EIA-232, EIA-485, or EIA-422 half duplex

Serial Data Baud (User Selectable)

300, 600, 1200, 2400, 4800, 9600, 19200

Discrete Alarm Outputs

Uplink Summary Alarm
Downlink Summary Alarm
System Summary Alarm

Form “C” Relay Contacts
Form “C” Relay Contacts
Form “C” Relay Contacts

External LED Indicators

Prime Power On/TX RF ON
Summary Fault

IF Input/Output Connectors

Type N Female, 50

Ω

TX Output/RX Input Connectors

Type N Female, 50

Ω

Size

21.75 H x 8.25W x 8.00D inches
(55.2H x 20.95W x 20.32D cm)

Weight

33 lbs. (16 kg)

Temperature

–40 to +55

0

C (-40 to +131

0

F) operational

–50 to +75

0

C (–67 to +167

0

F) survival

Table 1-3. System Transmit Characteristics (with SSPAs of

40W)

Parameter

Characteristics

Gain Stability over temperature, AGC on,
fixed frequency


2.0 dB peak-to-peak

Gain variation with frequency

70 ± 20 MHz
140 ± 40 MHz


2.0 dB peak-to-peak
3.0 dB peak-to-peak

Spurious signals

Signal related
< 250 kHz

Non-signal related


–50 dBc at 6 dB below P

1

dB

–35 dBc at 6 dB below P

1

dB


–24 dBm/4 kHz for 2W unit
–21 dBm/4 kHz for 4W unit
–18 dBm/4 kHz for 8W unit
–15 dBm/4 kHz for 16W unit
–13 dBm/4 kHz for 25W unit
–13 dBm/4 kHz for 32W unit
–12 dBm/4 kHz for 40W unit