Table 46: Optical Interface
Support for SONET/SDH OC192/STM64 PICs with XFP
Parameter
Short reach (SR-1)
Intermediate Reach (IR-2)
Long Reach (LR-2)
Transceiver model number
XFP-10G-L-OC192-SR1
XFP-10G-E-OC192-IR2
XFP-10G-Z-OC192-LR2
Optical interface
Single-mode
Single-mode
Single-mode
Transceiver type
XFP
XFP
XFP
Standard
Telcordia GR-253 OC192 SR1
Telcordia GR-253 OC192 IR2
Telcordia GR-253 OC192 LR2
Maximum distance
SMF cable: 6.21 miles/10 km
SMF cable: 24.8 miles/40 km; distances
greater than 30 km are considered to be engineered links.
SMF cable: 49.71 miles/80 km
Transmitter wavelength
1290 nm through 1330 nm
1530 nm through 1565 nm
1530 nm through 1565 nm
Average launch power
–6 through –1 dBm
–1.0. through 2 dBm
0 through 4 dBm
Receiver saturation
–1.0 dBm
–1.0 dBm
–7 dBm
Receiver sensitivity
–11 dBm
–14 dBm
–24 dBm
To avoid damage to the 80-km XFP receiver
(XFP-10G-Z-OC192-LR2), we recommend:
Use 12 dB of in-line attenuation at 1550 nm for loopback
or point-to-point testing.
When deploying into active links, measure the incoming
fiber receive optical power to make sure it is below –7 dBm
at 1550 nm before connecting to the receiver.