Cisco Prisma II 1 GHz 1550 nm Transmitters Fiche De Données
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Specifications
Optical
Units
HDTx-M
Notes
Optical Output Wavelength Range
nm
1300 - 1340
Optical Channels
A,B,C,D,E,F
Optical Output Power
dBm
dBm
dBm
dBm
dBm
4
6
8
10
12
Electrical
Bandwidth
MHz
46 - 1002
Frequency Response
dB
± 0.6
Input Return Loss
dB
>16.0
Port-to-Port Isolation
(Narrowcast to Broadcast Inputs)
dB
>45
Broadcast (BC) RF Input
Required RF Input Level per Ch. (NTSC)
78 NTSC analog ch’s with:
-320 MHz QAM (550-870 MHz) @ -6 dB
-450 MHz QAM (550-1002 MHz) @ -6 dB
64 PAL B/G analog ch’s with:
-270 MHz QAM (600-870 MHz) @ -6 dB
-400 MHz QAM (600-1002 MHz) @ -6 dB
59 PAL D/K analog ch’s with:
-270 MHz QAM (600-870 MHz) @ -6 dB
-400 MHz QAM (600-1002 MHz) @ -6 dB
dBmV
dBmV
dBmV
dBmV
dBmV
dBmV
15.3
15.0
16.3
16.0
16.6
16.3
1
Narrowcast (NC) RF Input
Required RF Input Level per Ch. (QAM)
-for QAM @ -6 dBc relative to analog ch’s
Required RF Input Level per Ch. (analog)
- for equal amplitude analog ch’s (BC and NC)
dB
dB
+6
+12
(above Broadcast RF analog level)
2
Power Consumption (maximum)
W DC
7.5
Front Panel Test Point
Relative to Input
dB
dB
Broadcast Input
-20
± 0.5 @
Narrowcast Input
-32
± 0.5@