Juniper BTI7800 Series - Table 50: Wavelength Protection Group Specifications; WPS4 Latches

CAUTION: Cn IN, LnA IN, LnB IN must be limited to Class 1M (21.3 dBm) Laser
Safety Regulations.
Table 50: Wavelength Protection Group Specifications
UnitsMaximumMinimumParameter
nm16201260Operating wavelength range
dB4.22.7Insertion Loss Cn_IN to LnA_OUT (C-band)
dB4.22.7Insertion Loss Cn_IN to LnB_OUT (C-band)
dB1.80.3Insertion Loss LnA_IN to Cn_OUT (C-band)
dB1.80.3Insertion Loss LnB_IN to Cn_OUT (C-band)
dBm23.0-25.0Monitor Range (Cn_In)
dBm18.0-40.0Monitor Range (LnA_In)
dBm18.0-40.0Monitor Range (LnB_In)
dB1.3-1.3Monitor Accuracy
dB-45.0Directivity (LnA_IN to LnB_IN)
dB-45.0Directivity (LnA_OUT to LnB_OUT)
dB-50.0Switch Isolation
dB0.2-Polarization Dependent Loss
ps0.1-Polarization Mode Dispersion
dB-40.0Return Loss
ms50.0-Switching Time
WPS4 Latches
The top and bottom latches of a WPS4 must be fully closed for proper module operation.
A WPS4 module has one of two types of top latches. “WPS4 Latches” on page 138 and
“WPS4 Latches” on page 138 show a type of top latch in the open and closed positions.
Copyright © 2019, Juniper Networks, Inc.138
BTI7800 Series Hardware Overview and Installation Guide