Comtech EF Data SNM-1001 - Manual (Page 15)

Introduction SNM-1001 Network Control Modem
1–4 Rev. 1
1.2.1 Description
The SNM-1001 is a complete, self-contained unit in a standard 1 Unit (1U) 19”
(48.26 cm) rack-mountable enclosure weighing approximately 10 lbs. (8.63 kg.)
All Monitor and Control (M&C) functions and indicators for operation of the modem, as
well as the display Printed Circuit Board (PCB), are located on the front panel.
The chassis contains the power supply; a fan is located on the rear panel.
A system block diagram is shown in Figure 1-4.
CUSTOMER
DATA I/O
REMOTE
SERIAL
INTERFACE
EXT.
CLOCK
ALARMS
FORM C
CONTACTS
J8
J8
J7
J6
FRONT
PANEL
REMOTE
(OPT.)
CLK
DATA
M&C
SCT
CLK
DATA
CP1
50 TO 90 MHz
100 TO 180 MHz
-5 TO -30 dBm
90 TO 264 VAC,
47 TO 63 Hz
CP2
50 TO 90 MHz
100 TO 180 MHz
-30 TO -55 dBm
M&C
SNM-1001
NETWORK
CONTROL MODEM
INTERFACE
ENCODER/
MODULATOR
M&C
DISPLAY AND
KEYPAD
DEMOD/
DECODER
POWER
SUPPLY
IF INPUT
RECEIVE
RF
EQUIPMENT
TRANSMIT
RF
EQUIPMENT
ANTENNA
IF OUTPUT
COMMAND BUS
Figure 1-4. SNM-1001 Block Diagram
1.3 Options
The following option is available for the SNM-1001:
•
± 48 VDC power