202
Broadband Communication Design &
Performance Standards
Parameter
IEEE 802.7
MAP*
FCC
C/L Delay
± 170 ns
Differential Gain
± 20%
Differential Phase
± 10 degrees
Headend Input Level-
Outbound
+54 dBmV
+54 dBmV
User Outlet Level-
+10 dBmV
≥0 dBmV &
Outbound
≥3.0 dBmV @
100’ Drop
User Input Level-
Inbound
+54 dBmV
+54 dBmV
Path Loss - Outbound
44 ± 5 dB
44 ± 3 dB
Design Accept
44 ± 6 dB Oper.
Path Loss- Inbound
44 ± 5 dB
Same as
Outbound
CNR - Outbound
43 dB
43 dB
43 dB
CNR - Inbound
41 dB
40 dB
CTB - Outbound
53 dB
51 dB
(47 dB HRC)
CTB - Inbound
53 dB
CSO - Outbound
51 dB
(47 dB HRC)
3 IM - Outbound
78 dB
60 dB @ 66
51 dB
dBmV Input
(47 dB HRC)
3 IM - Inbound
78 dB
60 dB @ 66
dBmV Input
2 IM - Outbound
60 dB
60 dB
51 dB
(47 dB HRC)
2 IM - Inbound
60 dB
60 dB
X-MOD; Outbound
53 dB
X-MOD - Inbound
53 dB
Hum Distortion
2%
1.5% (37 dB)
3%
(Incidental Modulation)
* MAP = Manufacturing Automation Protocol (based on Token Bus - IEEE 802.4)
Содержание AMM-806
Страница 86: ...79 TVCB PC Installation ...
Страница 93: ...86 SMI Installation Torque Patterns 1 Start Here 2 3 4 5 6 1 Start Here 2 3 4 4 PORT 8 PORT ...
Страница 125: ...118 Fiber Optics Fiber Loss vs Path Length Single Mode 1550 nm ...
Страница 156: ...149 Cable TV Channel Format NTSC NTSC Composite Video Waveform ...
Страница 157: ...150 US Frequency Spectrum ...
Страница 158: ...151 FCC Aeronautical Band Frequencies Used for Communication and Navigation ...
Страница 171: ...164 F C x 32 Temperature Conversion Nomograph C F FAHRENHEIT F CELSIUS C 9 5 C F 32 5 9 KELVIN K K C 273 ...
Страница 175: ...168 Common CATV Symbols ...
Страница 176: ...169 Common CATV Symbols ...
Страница 177: ...170 Digital L Band Distribution Symbols ...
Страница 178: ...171 Digital L Band Distribution Symbols ...
Страница 183: ...176 Typical Cable Attenuation Chart in dB 100 Feet 68 F 20 C ...
Страница 187: ...180 Echo Rating Graph ...
Страница 188: ...181 Signal to Interference Limits Non Coherent Carriers ...
Страница 190: ...183 Heterodyne Modulator Analog ...
Страница 191: ...184 Heterodyne Processor Analog ...
Страница 213: ...206 Multiplexers ...
Страница 215: ...208 Antenna Stacking Methods to Increase Received Signal Level NOTE Refer to Antenna Spacing Chart for dimensions ...
Страница 216: ...209 Antenna Spacing Mounting Channelized Antennas on the Same Mast NOTE Refer to Antenna Spacing Chart for dimensions ...
Страница 285: ...Rev 8 0 ...