SDM-9000 Satellite Modem
Configuration
Rev.4
3–5
3.4 Interface
The interface PCB (AS/3971, AS/4477, or AS/5618) is located in the middle slot of the
modem chassis. The three interface configurations are:
AS/3971
G.703
AS/4477
ECL/MIL-STD-188-144
AS/5618-3
G.703 with 64 kbit/s ESC
Note:
The AS/5618-3 G.703 interface assembly supports one 64 kbit/s data channel or
two 32 kbit/s audio channels (per IESS-308, Rev. 8A). The modem can provide
independent transmit (TX) and receive (RX) of audio or digital 64 kbit/s data. This
allows four possible applications:
•
TX and RX: one 64 kbit/s data channel
•
TX and RX: two 32 kbit/s audio channels
•
TX: one 64 kbit/s data channel while RX: two 32 kbit/s audio channels
•
TX: two 32 kbit/s audio channels while RX: one 64 kbit/s data channel
The jumper settings are listed in Table 3-4. Figure 3-4 (AS/3971) and Figure 3-5
(AS/4477) show the interface cards and the locations of jumper JP1.
See Table 3-4 for the appropriate jumper settings for a particular application.
Table 3-4. Interface Configuration Jumper Settings
AS/3971 Interface Only
Jumper
Position
Function
JP1 (EEPROM size select)
1 to 2
2 to 3
27C256 (32K EEPROM)
27C512 (64K EEPROM)
AS/5618-3 G.703 Interface Only
Channel
Jumper
Position
Function
TX
JP7
(Jumper block)
1 to 2
2 to 3
64 kbit/s
Audio
RX
JP6
(Jumper block)
1 to 2
2 to 3
64 kbit/s
Audio
Note:
See options, Appendix A for additional timing information.
Summary of Contents for SDM-9000
Page 2: ......
Page 5: ...8 Mbit s w IDR Figure 1 7 16QAM BER Performance Curves with Reed Solomon Filename T_ERRATA 3...
Page 8: ......
Page 27: ...SDM 9000 Satellite Modem Introduction Rev 4 1 5 Figure 1 3 SDM 9000 Block Diagram...
Page 42: ...Introduction SDM 9000 Satellite Modem 1 20 Rev 4 This page is intentionally left blank...
Page 64: ...Configuration SDM 9000 Satellite Modem 3 6 Rev 4 JP1 Figure 3 4 Interface PCB AS 3971...
Page 65: ...SDM 9000 Satellite Modem Configuration Rev 4 3 7 Figure 3 5 Interface PCB AS 4477...
Page 66: ...Configuration SDM 9000 Satellite Modem 3 8 Rev 4 JP1 JP6 JP7 Figure 3 6 Interface PCB AS 5618...
Page 70: ...Configuration SDM 9000 Satellite Modem 3 12 Rev 4 Figure 3 7 Nyquist Filter Installation...
Page 83: ...SDM 9000 Satellite Modem Operation Rev 4 4 9 This page is intentionally left blank...
Page 87: ...SDM 9000 Satellite Modem Operation Rev 4 4 13 This page is intentionally left blank...
Page 104: ...SDM 9000 Satellite Modem Operation Rev 4 4 31 This page is intentionally left blank...
Page 107: ...Operation SDM 9000 Satellite Modem 4 34 Rev 4 This page is intentionally left blank...
Page 124: ...SDM 9000 Satellite Modem Operation Rev 4 4 51 Figure 4 17 RF Loopback Figure 4 18 IF Loopback...
Page 150: ...Theory of Operation SDM 9000 Satellite Modem 5 22 Rev 4 Figure 5 6 Interface Block Diagram...
Page 158: ...Theory of Operation SDM 9000 Satellite Modem 5 30 Rev 4 This page is intentionally left blank...
Page 186: ...Maintenance SDM 9000 Satellite Modem 6 28 Rev 4 This page is intentionally left blank...
Page 218: ...Options SDM 9000 Satellite Modem A 32 Rev 4 This page is intentionally left blank...
Page 242: ...Remote Control Operation SDM 9000 Satellite Modem B 24 Rev 4 ref SE_ command...
Page 254: ...Glossary SDM 9000 Satellite Modem g 6 Rev 4 This page is intentionally left blank...
Page 256: ...2114 WEST 7TH STREET TEMPE ARIZONA 85281 USA 480 333 2200 PHONE 480 333 2161 FAX...