Cisco Cisco DWDM Transceiver Modules 数据表
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Parameter
Symbol
Minimum
Typical
Maximum
Units
Notes and Conditions
Optical input
power
(dispersion- and
noise-limited)
power
(dispersion- and
noise-limited)
Pin
-18.0
-7.0
dBm
At BER=1E-3 (pre-EFEC),
-500 to 1100 ps/nm
chromatic dispersion,
amplified link with min
16dB OSNR (0.1nm
RBW)
-500 to 1100 ps/nm
chromatic dispersion,
amplified link with min
16dB OSNR (0.1nm
RBW)
Optical input
power
(dispersion- and
noise-limited)
power
(dispersion- and
noise-limited)
Pin
-18.0
-7.0
dBm
At BER=1E-5 (pre-
GFEC), -500 to 1100
ps/nm chromatic
dispersion, amplified link
with min 19dB OSNR
(0.1nm RBW)
GFEC), -500 to 1100
ps/nm chromatic
dispersion, amplified link
with min 19dB OSNR
(0.1nm RBW)
Note:
1. Parameters are specified over temperature and at end of life unless otherwise noted.
1. Parameters are specified over temperature and at end of life unless otherwise noted.
2. When shorter distances of single-mode fiber are used, an inline optical attenuator must be used to avoid
overloading and damaging the receiver.
Table 2 shows the main optical characteristics for the tunable Cisco DWDM XFP modules.
Table 2.
Optical Parameters for Tunable DWDM XFP
Parameter
Symbol
Minimum
Typical
Maximum
Units
Notes and Conditions
Transmitter
Spectral
width
width
0.2
nm
Full width, -20 dB from maximum, with resolution
bandwidth (RBW) = 0.01 nm
bandwidth (RBW) = 0.01 nm
Transmitter
center
wavelength
center
wavelength
x - 25
x
x + 25
pm
Refer to Table 3 for center wavelengths
Side-mode
suppression
ratio
suppression
ratio
SMSR
30
dB
Transmitter
extinction
ratio
extinction
ratio
9
dB
Transmitter
optical
output
power
optical
output
power
Pout
0.0
3.0
dBm
Average power coupled into single-mode fiber
Receiver
Receiver
optical input
wavelength
optical input
wavelength
1530
1565
nm
Receiver
damage
threshold
damage
threshold
4.0
dBm
Receiver
overload
overload
-7.0
dBm
Receiver Power Performance
Units
Range
Notes and Conditions
Performance at 10G LAN and 10G WAN Rates (NO-FEC Applications)
Input power range
dBm
-7 to -24
At BER=1E-12, back-to-back, unamplified link
Input power range (dispersion-
limited)
limited)
dBm
-7 to -22
At BER=1E-12, -500 to 1600 ps/nm chromatic
dispersion, unamplified link
dispersion, unamplified link
Input power range (dispersion-
and noise-limited)
and noise-limited)
dBm
-7 to -20
At BER=1E-12, -500 to 1600 ps/nm chromatic
dispersion, amplified link with min 26dB OSNR
(0.1nm RBW)
dispersion, amplified link with min 26dB OSNR
(0.1nm RBW)