The OP940-SW is a multichannel insertion loss (IL) and return loss (RL) meter designed for testing ribbon cables and multi-pin termini. It features a color LCD screen, an optical reflectance scan mode, programmable pass/fail for editable test criteria and on screen context help. Additionally, the OP940 can measure return loss (RL) at two positions simultaneously through the front panel and it offers expandable functionality. As with our other IL/RL systems, the OP940 measures RL quickly and accurately without the need for mandrel wrapping or the use of index matching gel, and is available in Single Mode, Multimode, and FTTX variants.
By incorporating a high-quality MEMS optical switch, the OP940-SW is able to quickly and accurately test multichannel cables. It can be built with 4 and up to 24 channels and all source connectors are easily accessible to minimize downtime on high volume production lines in case of optical endface damage.
Product Videos
Product Features
- Measures Multifiber and Ribbon Cables in Seconds
- Produces All-In-One Cable Datasheet
- Front Panel Optical Reflectance Trace for each Channel
- Set Return Loss Reference Position and Value
- Measures Return Loss at Multiple Connection Points through the Front Panel
- Programmable Pass/Fail
- Expandable Functionality
- On Screen Help
- Configurable Timer Settings, such as Dwell Times
- User Accessible Source Connectors
- Easy to Use
- Single Mode, Multimode, FTTX
Product Specs
| Return Loss | Single Mode | FTTX | Multimode |
| Source Wavelength | 1310nm, 1550nm | 1310nm, 1550nm, 1490nm, 1625nm | 850nm, 1300nm |
| Calibrated Measurement Range |
-10dB to -80dB | -10dB to -80dB | -10dB to -58dB |
| Measurement Linearity | ±1dB (-12dB to -72dB) | ±1dB (-12dB to -72dB) | ±1dB (-10dB to -45dB) |
| Distance Range | up to 2500 meters | ||
| Mandrel-free minimum distance | 1.7 meters (both reflections <-45dB) | ||
| Insertion Loss | Single Mode | FTTX | Multimode |
| Source Center Wavelength | ±30nm from nominal | ±30nm from nominal | ±30nm from nominal |
| Source Bandwidth | <10nm | <10nm | <140nm (850nm) <200nm (1300nm) |
| Internal Fiber | 9/125μm (SMF28) | 9/125μm (SMF28) | 50/125μm, 62.5/125μm, 105/125μm |
| Launch Condition | N/A | N/A | Available upon request |
| Output Power* (typical) | -1.5dBm | -2.5dBm | -18dBm(850nm) -20dBm(1300nm): 62.5/125μm |
| Insertion Loss Stability** | ±0.02dB | ±0.02dB | ±0.02dB |
| Deviation ± 0.05dB | 0dBm to -65dBm at 1490nm | ||
| Deviation ± 0.01dB | <10dB power variation | ||
*For single channel systems. **Over 1 hour with a max. change of 1ºC. ***For 1, 2, and 3mm detectors.
| Optical Power Meter | 1mm InGaAs | 3mm InGaAS | 5mm InGaAs | 10mm InGaAs | 3mm Silicon |
| Measurement Range | +6dBm to -72dBm at 1490nm |
+3dBm to -72dBm at 1490nm |
0dBm to -65dBm at 1490nm |
0dBm to -55dBm at 1490nm |
0dBm to -65dBm at 980nm |
| Wavelength Range | 850nm to 1650nm | 400nm to 1100nm | |||
| Selectable Wavelength | Standard wavelengths (850nm, 980nm, 1300nm, 1310nm, 1490nm, 1550nm, 1625nm) | Standard wavelengths (650nm, 850nm, 980nm) |
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| Measurement Resolution (Display) | 0.001dB | ||||
| Absolute Accuracy | ±0.25 dB at calibration conditions for all NIST traceable wavelengths | ||||
| Deviation ± 0.05dB | +3dBm to -65m at 1490nm |
0dBm to -65dBm at 1490nm |
0dBm to -55dBm at 1490nm |
0dBm to -45dBm at 1490nm |
0dBm to -55dBm at 980nm |
| Deviation ± 0.01dB | <10dB power variation |
<10dB power variation |
<10dB power variation |
<10dB power variation |
<10dB power variation |
| Source | 1310nm/1550nm LASER | 1310nm/1490nm/1550nm/1625nm LASER | 850nm/1300nm LED |
| Source Center Wavelength | ±30nm from nominal | ±30nm from nominal | ±30nm from nominal |
| Source Bandwidth | <10nm | <10nm | <140nm (850nm) <200nm (1300nm) |
| Internal Fiber | 9/125μm (SMF28) | 9/125μm (SMF28) | 50/125μm, 62.5/125μm, 105/125μm |
| Launch Condition | N/A | N/A | Available upon request |
| Output Power (typical) | -1.5dBm | -2.5dBm | -18dBm(850nm) -20dBm(1300nm): 62.5/125μm |
| Source Stability* | ±0.02dB | ±0.02dB | ±0.02dB |
* Over 1 hour with a max. change of 1ºC.
| Measurement Timing | Single Mode | FTTX | Multimode |
| IL and RL, Dual Wavelength | 3s* | 6s | 3s* |
| Switching Time (Multichannel) | 100ms | ||
* Using the front panel in Dual ILRL mode or running OPL-Pro with real-time update enabled.
Specifications are subject to change, please confirm specific performance characteristics of the product at the time of ordering. All specifications are valid within temperature range of 18ºC to 24ºC unless otherwise noted. For additional specifications please contact OptoTest.