Nortel Optical Multiservice Edge 6130 Planning Manual page 127

Classification
Nominal reach (see Note
Maximum dispersion
Minimum optical return loss
Dispersion limited distance
(see Note 4)
Attenuation limited distance
(see Note 4)
Note 1: All parameter values in the above table achieve an optical system BER better than 1x10
when used over G.652 specified SMF-28 fiber. The exception is SR0 where the values are for use over
62.5 μm core, 500 MHz-km modal bandwidth MMF as specified in ANSI T1.416.01-1999.
Note 2: Power monitor accuracy figures are for normal operating range (minimum to maximum transmit
power, receiver sensitivity to overload).
Note 3: Nominal reach figures are for classification purposes only as defined in the appropriate
standards.
Note 4: The dispersion and attenuation limited distances are based on the dispersion and attenuation
coefficients detailed in
link budget calculation. The actual limiting distance is the lower of the dispersion limited or attenuation
limited distances.
Table 7-24
Table 7-24
Optical specifications for STM-4 SFPs
Classification
PEC
Transmitter
Transmitter type
Nominal wavelength
Transmit output power (max)
Transmit output power (min)
Spectral width
Minimum side mode suppression ratio
Minimum extinction ratio
Power monitor accuracy (see
Receiver
Receiver type
SR0
3) 2 km
-
-
-
2 km
Table 7-22 on page 7-23
lists the optical specifications for the STM-4 optical SFPs.
Note 2)
Planning Guide NT6Q92MA Rel 1.0 Iss 1 Standard September 2006
IR1/S1.1 LR1/L1.1
15 km 40 km
96 ps/nm -
- -
16 km -
34.3 km 80 km
and are for guidance only and must be verified by a full
L4.1
NTTP05EF
DFB laser
1310 nm
+2 dBm
-3 dBm
1 nm (-20 dB)
30 dB
10 dB
+/- 2 dB
APD
Technical specifications 7-25
LR2/L1.2
80 km
-
20 dB
-
112 km
L4.2
NTTP05FF
DFB laser
1550 nm
+2 dBm
-3 dBm
1 nm (-20 dB)
30 dB
10 dB
+/- 2 dB
APD
-10