Anritsu MT9812B, Руководство по эксплуатации, Страница: 28 / 144

Section 1 General
1-4 .
1.3 Features
(1) Mounting up to nine units
The MT9812B enables to mount up to nine units for the MT9810A Optical
Test Set. It is an appropriate light source to evaluate a multiplexed-wave-
length optical communication system.
(2) Compatible with wavelength conforming to ITU-T
Provides a lineup of DFB-LD light sources of optical frequencies conform-
ing to ITU-T compatible with Dense-WDM. Available at intervals ranging
from 186.3 and 195.9 THz/100 GHz.
(3) High-precision optical power measurement
The measurement error is within
±
2 % in the reference condition,
±
3.5 % in
the operating condition and the linearity is less than or equal to
±
0.01 dB,
enabling high-precision optical power measurement.
(4) High return loss and low polarization dependency
Even if in the absence of a reflection suppressing adapter, the return loss is
40 dB or more and then the return light is very low. In addition, the polar-
ization dependency is 0.02 dB or less. It is therefore optimal for the evalu-
ation of a device or a system using an optical amplifier.
(5) Standard mounting of GPIB and RS-232C
As RS-232C in addition to GPIB is mounted as the standard remote inter-
face, remote control can be enabled by using the personal computer.
POINT
Although RS-232C is named EIA-232-E in accordance
with the formal standards of ANSI/EIA, this document
and descriptions relating to the MT9812B use the gen-
eral name of RS-232C for explanations.