Cisco Model 6944 and 6940 Node bdr Dig Rev 2 1 Mux System for Prisma II Data Sheet
Prisma II bdr Digital Reverse 4:1 Multiplexing System
5
Link Performance
General
Units
Notes
Bandpass (factory configured – customer must specify)
MHz
5-40,7-42 or 10-45
Full Scale Single CW Carrier Amplitude
dBmV
49
1,2,3
Optical Link Budget with 0 dBm Laser (SR, ER)
Optical Link Budget with 7 dBm Laser (SR, ER)
Optical Link Budget with 7 dBm Laser (SR, ER)
dB
22,29
29,36
29,36
Full RF Link Gain (
±
1 dB)
dB 20
1,3,4,5
Response Flatness (7 – 42 MHz)
dB
±
1.0
Response Flatness (5 – 40 MHz)
dB
±
1.75
Notes:
1. With respect to the input port on 4:1 Transmit Processor.
2. A CW carrier of this amplitude applied to the RF input will exercise the full scale range of the A/D converter. Full scale is
1. With respect to the input port on 4:1 Transmit Processor.
2. A CW carrier of this amplitude applied to the RF input will exercise the full scale range of the A/D converter. Full scale is
analogous to 100% OMI for Analog Lasers.
3. Variable RF Attenuation on 4:1 Transmit Processor set to 0 dB.
4. Variable RF Attenuation on 4:1 Receive Processor set to 0 dB.
5. Add Link Gain (dB) to Transmit Processor RF input level to determine Receive Processor RF output level.
4. Variable RF Attenuation on 4:1 Receive Processor set to 0 dB.
5. Add Link Gain (dB) to Transmit Processor RF input level to determine Receive Processor RF output level.
Noise Power Ratio (NPR) Performance
25
27
29
31
33
35
37
39
41
43
45
-65
-60
-55
-50
-45
-40
-35
-30
Transmit Processor Input Power per Hz (dBmV/Hz)
NPR (
d
B)
(Applies to Constant Power / Hz Loading over 35 MHz band)
NPR Notes:
1. Input power is specified with respect to the input port of the Transmit Processor module.
2. Variable RF Attenuation on 4:1 Transmit Processor set to 0 dB and Variable RF Attenuation on 4:1 Receive Processor set
1. Input power is specified with respect to the input port of the Transmit Processor module.
2. Variable RF Attenuation on 4:1 Transmit Processor set to 0 dB and Variable RF Attenuation on 4:1 Receive Processor set
to 6 dB.