ST-6418 OTDR is a high performance measuring instrument with multifunction designed for testing FTTx network. It’s mainly used to measure the physical characteristics of optical fiber under test, such as the length、the transmission loss and the splice loss etc.. It can also locate the faults or brea
High-speed auto analyzation
ST-6418 can quickly determine and locate the events and faults in trace precisely, then lists all events in even table, so its very useful to maintainers to improving efficiency and its unnecessary to know about the relative background knowledge.
High-speed auto measurement
The function of auto measurement of ST-6418 OTDR makes it unnecessary to operator to know about the further details of operating. The operation becomes very simple: after connect the fiber, only press【Start】,then the trace measured is displayed and the events are listed on screen in a few seconds, now, you can view the trace and event table.
Unique PON testing capability
6418 is ideal for access and FTTH network testing, it enable you to test through 1x32 even 1x64 splitters for PON(passive optical network) testing.
6418 offers an exceptional 1m event dead zone and 0.05m high distance resolution, with which you can characterize all events between the transmitter and the central offices fiber distribution panel.
Convenient VFL function
the built-in 650nm visual fault locator (VFL) is ideal for identifying bad splice, bad connector, break or macro bend easily. The standard VFL with more than 2 milliwatt output power is factory installed in 6418, which the operation distance is in excess of 5 kilometers.
Communication Light Check
When measuring a fiber in service, the measuring result by an OTDR is not precise, and there is a potential risk of permanent damage to the internal photoelectric of OTDR receiver. To prevent these problems, the 6418 OTDR can detect automatically and silently if communication light is present after the fiber under test is connected, once the light is verified present, simultaneously, a warning message will be displayed and internal OTDR protection will be active instantly.
Multiple Wavelengths and Models
6418 OTDR can provide any of single mode or multimode or both, designed to test FUT at up to four wavelengths in single unit, such as 850, 1300, 1310, 1383, 1490, 1550, 1625 and 1650nm wavelengths, with which 6418 can be used widely from long range to FTTx, CATV, LAN, Access and Metro networks.
Abundant external interface
6418 has abundant external interface, such as USB, Min-USB, Ethernet, earphone and SD, due to these, it can provide the following functions:
ο Training via multimedia for operators, which can enable you become a measuring expert within short time.
ο Implementing remote controlling through Ethernet, troubleshooting from long distance for fiber under test.
ο Printing trace and event table
ο Updating application software on-line
Typical application:
AV6418 OTDR is mainly used to measure FTTx network, it provides multifunctions in one unit. AV6418 offers three measuring modes: manual mode (including real time mode and average mode), auto mode and dead zone mode.
Manual measurement mode: manual mode is suitable for skilled operator who is familiar with the instrument. In this measurement mode, to get more accurate results, real-time mode or average mode can be selected if necessary.
In real-time mode, the dynamic changes of fiber chain can be detected timely, it is very useful when you need to observe the effect and process of fiber being spliced or connected.
In average measurement mode, the noise in trace can be suppressed, and the SNR(signal noise ratio) is improved, therefore，the result is more accurate. In fact, the more average times is executed, the more noise in trace is suppressed, and the longer time is spent for signal processing. In practice, the average times should be set properly according to necessity.
Auto measurement mode: the optimized measurement conditions are set automatically, its unnecessary to operator to know about the complicated background knowledge and the further details of operating. In this mode, the more accurate results can be gained when proper average times are set, but it will increase the time of signal processing.
Dead zone mode: this mode is suitable for testing optical fiber with short distance and the optimized settings of distance range, pulse width and attenuator can be executed automatically. To get the best result, the terminal return loss should be guaranteed less than -40dB.
General Specifications:
| Dynamic range | Please refer to "OTDR modules specifications" |
| Distance uncertainty | ±(0.75m + sample space + measurement distance×0.003%)1 |
| Sampling resolution | 0.05,0.1,0.2,0.5,1,2,4,8,16m |
| Distance range | 0.4,0.8,1.6,3.2,6.4,16,32,64,128,256,512km(SMF); 0.4,0.8,1.6,3.2,6.4,16,32 (MMF of 850nm) |
| Pulse width | 5,10,30,80,160,320,640,1280,5120,10240,20480ns 5,10,30,80,160,320,640,1280 (MMF of 850nm) |
| Loss threshold | 0.01dB |
| Sampling points | Up to 128k |
| Linearity | 0.05dB/dB |
| Loss resolution | 0.001dB |
| Memory capacity | ≥800traces(build-in), ≥65500traces(2GB SD storage) |
| Group refractive index setting | 1.00000 to 2.00000 (0.00001steps) |
| Distance unit | km,m,kft,ft |
| Display | 640×480, 6.5 inch TFT-LCD (touch screen) |
| Interface | USB, Min-USB, Ethernet, earphone, SD |
| Optical connector | FC/SC/ST (universal connector) |
| VFL | 650nm±10nm,2mW(typical);CW/1Hz |
| Optical Power Meter | Wavelength range: 1270nm to 1700nm Measurement range: -60 to +3dBm Measurement accuracy: 5% ( -10dBm, CW) |
| Power supply | AC adapter 100 to 240V, 50/60Hz, 1.5A DC:19V±2V(2A) Built-in Lithium battery: 4400mAh, operating time ≥8 hours 2 |
| Language | User selectable: simplified Chinese, English, Russian, Korean etc.. (please contact CETC 41st for others) |
| Environment | Operating temperature: -10 to 50℃(charging:5 to 40℃) Storage temperature: -40 to 70℃(Battery: -20 to 60℃) Relative humidity: 5% to 95%, non-condensing |
| Dimensions | 295×186×75(mm) |
| Weight | 2.5kg Approx. |
Note1: Does not include uncertainty due to fiber index
Note2: Low brightness, exclude measuring.
ο Specify base unit
| Ordering NO. | Description |
| 6418-SS | 6418 base unit with standard display brightness |
| 6418-HS | 6418 base unit with enhanced display brightness |
Note: the standard OTDR interface type is FC/UPC,type of FC/APC is optional.
ο Standard accessories
| NO. | Name | NO. |
| 1 | Power line | 1 |
| 2 | AC/DC adapter | 2 |
| 3 | Quality certification | 3 |
| 4 | User manual | 4 |
| 5 | Trace analyzing software(CD) | 5 |
| 6 | Hard Carrying case(including gallus) | 6 |
| 7 | Special gallus of instrument | 7 |
ο OTDR modules specifications1
| Ordering number | Operating wavelength | fiber type | Dynamic Range2(dB) | Event Dead zone3(m) | Attenuation dead zone(m) |
| 6418-1101 | 1310nm | SMF | 45 | 2 | 10 |
| 6418-1102 | 1550nm | 43 | 2 | 10 | |
| 6418-1103 | 1625nm | 38 | 1 | 10 | |
| 6418-1104 | 1625nm(build-in filter) | 36 | 1 | 10 | |
| 6418-1105 | 1650nm | 38 | 1 | 10 | |
| 6418-1106 | 1650nm(build-in filter) | 36 | 1 | 10 | |
| 6418-1107 | 1490nm | 36 | 1 | 10 | |
| 6418-1108 | 1383nm | 36 | 1 | 10 | |
| 6418-1201 | 850nm | MMF | 26 | 2.5 | 15 |
| 6418-1202 | 1300nm | 36 | 2 | 13 | |
| 6418-2101 | 1310/1550nm | SMF | 42/40 | 2/2 | 10/10 |
| 6418-2102 | 1310/1550nm | 40/38 | 1/1 | 10/10 | |
| 6418-2103 | 1310/1550nm | 37/35 | 1/1 | 10/10 | |
| 6418-2104 | 1550/1625nm | 38/38 | 1/1 | 10/10 | |
| 6418-2105 | 1550/1625nm(build-in filter) | 36/36 | 1/1 | 10/10 | |
| 6418-2106 | 1550/1650nm | 38/38 | 1/1 | 10/10 | |
| 6418-2107 | 1550/1650nm(build-in filter) | 36/36 | 1/1 | 10/10 | |
| 6418-2201 | 850/1300nm | MMF | 26/36 | 2.5/2 | 15/13 |
| 6418-3101 | 1310/1490/1550nm | SMF | 39/34/38 | 1/1/1 | 10/10/10 |
| 6418-3102 | 1310/1550/1625nm | 39/38/36 | 1/1/1 | 10/10/10 | |
| 418-3103 | 1310/1550/1625nm(build-in filter) | 38/36/36 | 1/1/1 | 10/10/10 | |
| 6418-3104 | 1310/1550/1650nm | 39/38/36 | 1/1/1 | 10/10/10 | |
| 6418-3105 | 1310/1550/1650nm(build-in filter) | 38/36/36 | 1/1/1 | 10/10/10 | |
| 6418-4001 | 850/1300/1310/1550nm | SMF/MMF | 24/34/34/34 | 2/2/1/1 | 15/13/10/10 |
| 6418-4101 | 1310/1490/1550/1625nm | SMF | 35/32/34/34 | 1/1/1/1 | 10/10/10/10 |
| 6418-4102 | 1310/1383/1550/1625nm | 35/32/34/34 | 1/1/1/1 | 10/10/10/10 |
Note1: one and only one module of above must be selected.
Note2: pulse width 10240ns, average times≥300,SNR=1,23℃±2℃;
Note3: dead zone mode, distance range: ≤3.2km, Pulse width: 5 ns, terminal reflection loss:≥40 dB, typical;
ο Options
| NO. | Name | type | note |
| 1 | USB stick | Saving measuring data | |
| 2 | SD | Saving measuring data | |
| 3 | printer | HP LJ P2015D or HP LJ 1022 | Printing traces |
| 4 | USB cable | Communicating with PC | |
| 5 | Standby battery pack | 6417LB-1192 | Standby battery |
| 6 | FC/SC,FC/ST connectors |
Note:For the necessity of improvement, the material contained in this document is subject to change without notice.
ο Standard accessories
| NO. | Name | quantity |
| 1 | Power line | 1 |
| 2 | AC/DC adapter | 1 |
| 3 | Quality certification | 1 |
| 4 | User manual | 1 |
| 5 | Trace analyzing software(CD) | 1 |
| 6 | Hard Carrying case(Including gallus) | 1 |
| 7 | Special gallus of instrument | 1 |
Note: the standard OTDR interface type is FC/UPC,type of FC/APC is optional.
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