100BASE-ZX optical Ethernet specification

Overview

The 100BASE-ZX PTMs can be used on the LNW74, LNW87, and LNW170.

System specifications

The following are the 100BASE-ZX system specifications:

• Optical Line Rate: 125 MBd ±50 ppm

• Optical Line Coding: 4B/5B

• Fiber Type: 10 μm SMF

• Minimum Range: 2 to 80,000 m

• Performance: Long-reach (80 km)

Transmitter specifications

The table below describes some of the transmit specifications for 100BASE-ZX.

Table 10-90: 100BASE-ZX transmit specifications

Description	100BASE-ZX
Transmitter type	Longwave Laser
Signaling speed (range)	125 MBd (± 50 ppm)
Wavelength (range)	1480 to 1600 nm
Maximum RMS Spectral Width (σ)	1 nm
Average launch power (max)	2.0 dBm
Average launch power (min)	−3.0 dBm

Receiver specifications

The table below describes some of the receiver specifications for 100BASE-ZX.

Table 10-91: 100BASE-ZX receive specifications

Description	100BASE-ZX
Signaling speed (range)	125 MBd (±50 ppm)
Wavelength (range)	1480 to 1600 nm
Average receive power (max)	−8.0 dBm
Receive sensitivity	−31.0 dBm
Return loss (min)	25.0 dB

Link budgets

The worst-case power budget and link penalties for a 100BASE-ZX channel are shown in the table below.

Table 10-92: 100BASE-ZX link budgets and penalties

Parameter	100BASE-ZX
Maximum Channel Insertion Loss	27.0 dB
Minimum Channel Insertion Loss	10.0 dB
Maximum Dispersion	1700 ps/nm
Optical Path Penalty	1 dB

Performance monitoring

Performance monitoring capabilities are available on the 100BASE-ZX interface. A detailed list of monitored parameters can be found in Performance monitoring.