VIAVI OCETS Plus Optical Component Environmental Test System

Automated test system that tracks optical component insertion and return loss inside a temperature/humidity chamber during environmental stress testing.

Fiber type: 9/125 μm fiber, standard 3 mm jacket
Fiber type: 50/125 μm fiber, standard 3 mm jacket
SC switch pigtail lengths (to DUTs): 5 m per switch (10 m total between the two switches)
Insertion Loss (IL) dynamic range: >65 dB

Datasheet

Overview

The VIAVI OCETS Plus (Optical Component Environmental Test System) is an integrated, automated test facility for checking the long-term reliability of optical components. It measures components while they are under environmental stress in a temperature/humidity chamber. It is the third generation of the classic OCETS. VIAVI improved its hardware specifications and software algorithms to meet current requirements for optical component qualification testing, such as those of the Verizon FOC program.

Qualification standards require a representative set of sample devices to go through a program of environmental stresses. These include dwelling at high and low temperatures at target humidity levels and cycling between temperatures. Device characteristics must be measured before and after each stage, and sometimes continuously or at intervals during a stage. OCETS Plus makes these optical measurements without removing the devices from the environmental chamber.

Measurement hardware

The core of the system is a pair of custom-grade programmable 1xN optical switches based on the MAP-200 MISW-C1 Optical Switch. These switches are specified for higher insertion loss repeatability and background return loss than analogue-grade switches. They use beam traps to capture stray light, which optimizes them for return-loss stability. The platform also includes light sources, a source switch, directional switches, a polarization controller, high-directivity couplers and an optical power meter. Single-mode systems use individually filtered Super Luminescent Diodes (SLEDs), which give high power and a short coherence length for long-term stability.

Software

The system comes with two software packages. EasyOCETS2017 is the main control and data-collection interface, and EasyViewer 2017 is used to view and extract data. Data is stored in an SQL database that can be hosted anywhere on the network. Test files, DUT definitions and system configuration files are kept in the database and can be shared between systems. The test executor and scheduler can run multiple tests at the same time. Simulation and continuity-check modes, a DUT library editor and auto-channel-connection algorithms help with setting up tests.

Key Features

High insertion loss (IL) and return loss (RL) repeatability
High Return Loss option (HiRL) monitors RL up to 70 dB
Supplied with EasyOCETS software
Single-mode and multimode systems
Full bidirectional testing
Up to 320 device channels (640 ports)
Custom-grade programmable switches based on the MAP-200 MISW-C1 Optical Switch
SQL database that can be remotely hosted and shared between systems
Simulation and continuity-check modes

Specifications

Optical Performance

Fiber type Single-Mode (SM)	9/125 μm fiber, standard 3 mm jacket
Fiber type Multimode (MM)	50/125 μm fiber, standard 3 mm jacket
SC switch pigtail lengths (to DUTs)	5 m per switch (10 m total between the two switches)
Insertion Loss (IL) dynamic range Single-Mode (SM)	>65 dB
Insertion Loss (IL) dynamic range Multimode (MM)	>50 dB
Insertion Loss (IL) repeatability over 100 hours Single-Mode (SM)	±0.04 dB for IL <50 dB
Insertion Loss (IL) repeatability over 100 hours Multimode (MM)	±0.04 dB for IL <35 dB
Return Loss dynamic range Single-Mode (SM)	>70 dB
Return Loss dynamic range Multimode (MM)	>35 dB
Return Loss (RL) repeatability over 100 hours Single-Mode (SM)	±0.4 dB up to 55 dB
Return Loss (RL) repeatability over 100 hours Single-Mode (SM), HiRL	±1 dB up to 65 dB; ±3 dB up to 70 dB With HiRL option
Return Loss (RL) repeatability over 100 hours Multimode (MM)	±0.4 dB up to 30 dB
Measurement timing Single-Mode (SM)	IL, RL, HiRL <2.5 s Averaged over 60 consecutive measurements, not including reference or saving to database
Measurement timing Multimode (MM)	IL, RL <2 s Averaged over 60 consecutive measurements, not including reference or saving to database
Sources available Single-Mode (SM)	1310, 1490, 1550, 1625 ±10 nm SLED
Sources available Multimode (MM)	850, 1300 ±20 nm LED Multimode launch conditions meet the requirements of IEC 61280-4-1 Ed. 2.0
Source power stability at 23°C Single-Mode (SM)	±0.01 dB for 20 minutes Measured at full power, constant current mode in a controlled environment of 23±1°C
Source power stability at 23°C Multimode (MM)	±0.01 dB for 15 minutes Measured at full power, constant current mode in a controlled environment of 23±1°C

General

Number of channels	55, 105, 160, 210, or 320 input and output channels e.g. 55 channels means 55 input and 55 output channels. The web page states up to 210 device channels (420 ports); the datasheet lists up to 320.
Number of reference channels	1 IL path, 1 RL path (per DUT switch) The RL reference used by the EasyOCETS2017 algorithms is a 0 dB reflector; users may add RL references to other ports, and as many ports as required can be used for IL references
Equipment warm-up time	4 hours, can be left on indefinitely with no adverse side effects
Input voltage	100V to 240V AC, 50/60 Hz auto-switching
Power consumption (includes computer)	55 to 160 channels: 750 VA; 210 to 320 channels: 950 VA
Computer control	Minimum configuration: Intel Core i3 CPU, 8GB RAM, 500GB HDD, 2 x 10/100G Ethernet interface, USB 2.0 port

Physical

Mechanical configuration	All equipment, except computer, is installed in a single bay, 32U, 19-inch rack with removable covers and door; cabinet includes top-mounted fans, casters and levelers; rear door access to MAP cassettes
Dimensions (W x H x D)	22 x 72 x 26 in (56 x 183 x 66 cm)
Weight	55 to 160 channels: 190 kg; 320 channels: 220 kg

Environmental

Operating humidity	0 to 80% RH range Maximum variation range during a test: 15% RH
Operating temperature	15 to 30°C range Maximum variation within range during a test: 3°C

Safety

Compliance	Complies to CE requirements. Switch and MAP based products comply to UL3101.1 and CAN/CSA-C22.2 No. 1010.1
Laser classification	MAP lasers are Class 1 except for 850 nm version which is Class 1M Classified per IEC 60825-1(2002); comply with 21CFR1040.10 except deviations per Laser Notice No. 50, July 2001

Available Configurations

DUT switch connection	FC/APC bulkhead connectors on the DUT switches, or 10-meter unterminated pigtails
High Return Loss (HiRL) option Single-Mode (SM)	Single Mode systems only; only available for systems supplied with 10-meter unterminated pigtails

Specifications are taken from the manufacturer's documentation. See the datasheet for complete and current values.

Applications

Unattended long-term monitoring of optical component IL and RL
Telcordia GR-326-CORE, GR-910-CORE, GR-1435-CORE, GR-1209-CORE and GR-2866-CORE testing
Verizon FOC qualification of jumpers, cables and passive splitters
Optical component qualification testing under environmental stress

Included

EasyOCETS2017 software
EasyViewer 2017 software

Options & Accessories

Option	Description
MOCETS-A4055S0-M100-MXX	Standard single-mode, IL and standard RL, 55 channels
MOCETS-A4105S0-M100-MXX	Standard single-mode, IL and standard RL, 105 channels
MOCETS-A4160S0-M100-MXX	Standard single-mode, IL and standard RL, 160 channels
MOCETS-A4210S0-M100-MXX	Standard single-mode, IL and standard RL, 210 channels
MOCETS-A4320S0-M100-MXX	Standard single-mode, IL and standard RL, 320 channels
MOCETS-A4055S0-M101-MXX	50um multimode EF compliant, 55 channels
MOCETS-A4105S0-M101-MXX	50um multimode EF compliant, 105 channels
MOCETS-A4160S0-M101-MXX	50um multimode EF compliant, 160 channels
MOCETS-A4210S0-M101-MXX	50um multimode EF compliant, 210 channels
MOCETS-A4320S0-M101-MXX	50um multimode EF compliant, 320 channels
MOCETS-A4055H0-M100-MNC	Standard single-mode, IL and High RL, 55 channels
MOCETS-A4105H0-M100-MNC	Standard single-mode, IL and High RL, 105 channels
MOCETS-A4160H0-M100-MNC	Standard single-mode, IL and High RL, 160 channels
MOCETS-A4210H0-M100-MNC	Standard single-mode, IL and High RL, 210 channels
MOCETS-A4320H0-M100-MNC	Standard single-mode, IL and High RL, 320 channels
MFA	FC/APC connector type (MXX code)
MNC	No connectors (MXX code)