Operation
SDM-300A Satellite Modem
3–62
Rev. 4
3.3.13.4 Utility
System
Refer to Figure 3-20.
TIME: HH:MM:SS AM/PM
DATE: MM/DD/YY
Time of day and date display/set function.
The current time and date in the modem’s memory are displayed
when selected. To change the modem time and/or date, press
[ENTER]. Press [
←
] or [
→
] to position the cursor over the parameter
to be changed. Press [
↑
] or [
↓
] to change the parameter. Once the
parameters are displayed as desired, press [ENTER] to set the time
and date.
REMOTE BAUD RATE
X
PARITY
The parity and baud rate settings of the modem are displayed.
To change the modem baud rate and/or parity, press [ENTER]. Press
[
←
] or [
→
] to position the cursor over the parameter to be changed.
Press [
↑
] or [
↓
] to change the parameter. Once the parameters are
displayed as desired, press [ENTER] to set the baud rate and parity.
The parity can be set to EVEN, ODD, or NONE. The baud rate can
be set from 150 to 19200 bit/s.
REMOTE ADDRESS
The current modem address is displayed (1 to 255).
To change the remote address, press [ENTER]. Press [
↑
] or [
↓
] to
make the selection. Press [ENTER] to execute the change.
REMOTE TYPE
Select EIA-485 (2-Wire), EIA-485 (4-Wire), or EIA-232.
OPERATION MODE
Programs the modem for DUPLEX, TRANSMIT ONLY, or
RECEIVE ONLY operation.
Upon entry, the operational status may be changed. Press [
↑
] or [
↓
] to
make the selection. Press [ENTER] to execute the change.
Note: When TRANSMIT ONLY or RECEIVE ONLY are selected,
the appropriate faults are masked from the Faults and Stored Faults
menus.
YEAR DISPLAY
Selects the display for the year in either 2-digit or 4-digit format.
Upon entry, the year display may be changed. Press [
↑
] or [
↓
] to
make the selection. Press [ENTER] to execute the change
TEST MODE STATUS
Test mode status indicator. The following modem test points are
listed and display a “+” when a test mode is active:
•
RS CORR OFF
•
INTRFC LOOP BACK
•
B-BAND LOOP BACK
•
RF LOOP BACK
•
IF LOOP BACK
•
CARRIER MODE
•
RX 2047 Pattern
•
TX 2047 Pattern
To view the test modes, press [ENTER]. Press [
↑
] or [
↓
] to make the
selection.
LAMP TEST ??
Lamp test function. Press [ENTER] to turn the front panel indicators
on for three seconds.
Содержание SDM-300A
Страница 1: ...Part Number MN SDM300A IOM Revision 4 SDM 300A Satellite Modem Installation and Operation Manual...
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Страница 36: ...SDM 300A Satellite Modem Installation Rev 4 2 3 Figure 2 1 Installation of the Mounting Bracket...
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Страница 169: ...Theory of Operation SDM 300A Satellite Modem 4 18 Rev 4 This page is intentionally left blank...
Страница 176: ...SDM 300A Satellite Modem Maintenance Rev 4 5 7 WITH NOISE WITHOUT NOISE Figure 5 4 Typical Eye Constellations...
Страница 189: ...Maintenance SDM 300A Satellite Modem 5 20 Rev 4 This page is intentionally left blank...
Страница 200: ...SDM 300A Satellite Modem Options Rev 4 A 11 Figure A 2 D I with Asynchronous Overhead Data Flow...
Страница 205: ...Options SDM 300A Satellite Modem A 16 Rev 4 Figure A 3 E1 Framing Formats...
Страница 206: ...SDM 300A Satellite Modem Options Rev 4 A 17 Figure A 4 T1 Framing Formats...
Страница 237: ...Options SDM 300A Satellite Modem A 48 Rev 4 Figure A 10 IDR Interface Block Diagram...
Страница 241: ...Options SDM 300A Satellite Modem A 52 Rev 4 Figure A 11 IBS Interface Block Diagram...
Страница 257: ...Options SDM 300A Satellite Modem A 68 Rev 4 CBA Figure A 19 Reed Solomon Codec Installation...
Страница 260: ...SDM 300A Satellite Modem Options Rev 4 A 71 CBA Figure A 20 Overhead Interface PCB Installation...
Страница 265: ...Options SDM 300A Satellite Modem A 76 Rev 4 Figure A 24 8 Channel Multiplexer Installation...
Страница 273: ...Options SDM 300A Satellite Modem A 84 Rev 4 Figure A 26 Flex Mux Multiplexer Installation...
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Страница 330: ...SDM 300A Satellite Modem Remote Control Operation Rev 4 B 55...
Страница 362: ...Specifications SDM 300A Satellite Modem C 32 Rev 4 Figure C 7 8PSK BER Specification Curves 1544 kbit s...
Страница 366: ...Specifications SDM 300A Satellite Modem C 36 Rev 4 1 1 Rate Specification Figure C 9 Uncoded 1 1 BPSK QPSK and OQPSK...
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Страница 392: ...Glossary SDM 300A Satellite Modem g 4 Rev 4 This page is intentionally left blank...
Страница 398: ...Index SDM 300A Satellite Modem i 6 Rev 4 This page is intentionally left blank...