Nortel Networks 312865-A - Manual (Page 16)

14
Connecting to Nortel Networks online
This section describes products, services, and support systems
that can be accessed online.
Distance 70 km
Receiver Characteristics
Wavelength 1200 to 1550 nm
Minimum receiver sensitivity -22 dBm
Maximum input power -3 dBm
Note: When shorter lengths of single-mode fiber cable
are used, there is a risk of overloading the receiver. It
may be necessary to insert an in-line optical attenuator
in the link to prevent overloading, as follows:
• Insert a 10 dB in-line optical attenuator between the
fiber optic cable plant and the receiving port on the
1000BASE-ZX GBIC, at each end of the link, if the
fiber optic cable span is less than 25 km.
• Insert a 5 dB in line optical attenuator between the
fiber optic cable plant and the receiving port on the
1000BASE-ZX GBIC, at each end of the link, if the
fiber optic cable span is less than 50 km.
Table 6 1000BASE-ZX GBIC specifications (continued)
Type Specifications