Fiber Cable Monitoring System: X-Fiber

X-Fiber 16-1650D AC
Dimensions of the unit 16-1650D 48VDC
Dimensions of the unit 16-1650D AC
Table 1: General Information
Equipment type 16-1650D
First release 2.1
Width 44 HP
Height 1HU
Depth 215mm (See Figure 55)
Weight < 2.0kg (4.4 lbs)
Environmental conditions Telcordia SR-3580 level 3 (NEBS), ETSI EN 300 019/1-3 Class 3.1
MTBF at 30°C ambient temperature 216,124 h – 16/#1650D/AC 450,174 h – 16/#1650D/-48VDC
Table 2: Mounting Kit
Part Number Description Usage
1013904015 /MK-SINGLE-19 To mount one Unit in a rack unit (1RU), in a 19-inch rack.
1013904016 /MK-DUAL-19 To mount two adjacent Units in 1RU, in a 19-inch rack.
1013904017 /MK-SINGLE-23 To mount one Unit in 1RU, in a 23-inch rack.
1013904018 /MK-DUAL-23 To mount two adjacent Units in 1RU, in a 23-inch rack.
1013904040 /MK-19-FLEX To mount the Unit in a 19-inch or 21-inch rack for single or dual configuration. Use this mounting kit if you plan to perform an in-service upgrade from a single to dual configuration.
1013904019 /MK-SINGLE-19/1LGX To mount the Unit and the 8/1CSM+1LGX#1650 in a 19-inch rack
Table 3: Absolute Maximum Ratings
Storage temperature -40 to 85 °C
Ambient operating temperature -5 to 55 °C
Case temperature (during operation) -5 to 70 °C
Relative humidity (no condensation) 85%
TX peak optical power per port (maximum) 100mW
TX average optical power per port (maximum) 1mW
RX average optical power per port (max.before damage) 10mW
Table 4: OTDR Specification
Number of ports 16
Distance range12 up to 200km (160km for fingerprint)
Distance accuracy3 ± [0.8 + sampling resolution + 9.5 * 10-6 * distance] meter
Sampling resolution 0.1 … 1.6 meter (0.8 meter typically)
Dynamic range4 39dB typically
OTDR wavelength 1639nm …1662nm, 1650nm typically
Link loss measurement range with 15dBm laser power2 Point-to-point with reflector: Minimum ≤ 40dB, Typical ≤ 42dB Point-to-point without reflector: Minimum ≤ 30dB, Typical ≤ 33dB
OTDR: insertion loss scan time per port12 1 to 6 seconds (link loss ≤ 30dB), up to 15 seconds (link loss > 30dB)
OTDR measurement time (per port) 5 minutes maximum (depends on user input)
Fiber loss measurement accuracy of the device (excluding inaccuracies of the WDM coupler and demarcation reflector, without DWDM signal)2 ±1dB (at link loss < 30dB and link length < 90km) ±1.5dB (otherwise)
Relative attenuation accuracy ± 0.1dB3
Event dead zone (pulse width = 5ns; back reflection = -55dB; 25°C) 0.8 meter (typically)
Attenuation dead zone (pulse width = 5ns; back reflection = -55dB; 25°C) 4 meters (typically)  
Supported pulse width 5ns to 20000ns
Sampling points 256000
  1. The detection range, measurement time, or OTDR power budget might limit the scan
  2. The presence of a DWDM signal might reduce the measurement range and accuracy.
  3. Over temperature range, including aging, without fiber index uncertainties.
  4. 20µs pulse width, 5-minute averaging, max laser power, including post processing.

Table 5: Typical Dynamic Range Values at 25°C, including Post Processing

Pulse Width Dynamic Range (SNR=1; using 15dBm laser power) Measurement Conditions
Fiber Length Measurement Time Sampling Resolution
100ns 22dB 40km 3 min 0.8m
1µs 30dB 80km 3 min 0.8m
20µs 38dB 130km 3 min 1.6m
  1. The presence of a DWDM signal also increases the measurement time (up to four times).
  2. For point-to-point with reflector.
  3. For point-to-point with reflector, no DWDM traffic, and overall loss < 30dB.
Table 6: Specifications for Monitoring Passive Optical Networks at 25°C
Maximum loss between Unit port and Reflector with 15dBm laser power1 37dB
Maximum measurement length (dis-tance between Unit and Demarcation Reflector) 80000m
Minimum difference between the dis-tances of any two Demarcation Reflectors from the Unit 3m
Maximum number of Demarcation Reflectors 128
Table 7: Link Loss Measurement Range for Passive Environment Surveillance Links at 25°C
  High Dynamic Standard2 High Resolution
Link Loss Measurement Range with 15dBm Laser Power3 44dB 39dB 38dB
Minimum Distance Between Sensors 50m 20m 4m
  1. With a higher loss, we cannot guarantee that the Unit detects a reflector. A meaningful maximum initial loss value for the operation is 35 dB, because only then can the system raise degradation alarms. The total budget includes the insertion loss of the split-ters and the WDM c
  2. In standard mode, measurements are much faster than in high resolution mode. Therefore the standard mode is a compromise for faster measurements over more accurate measurements.
  3. You will need 5 dB margin to accurately detect the sensor alarms.
Table 8: Sensor Detection Scan Time for Passive Environment Surveillance Links
  High Dynamic Standard High Resolution
Link length 60km 40km 20km
Number of manhole sensors1 30 25 20
Intrusion detection scan time per port without water sensors2 10 seconds 6 seconds 30 seconds
Intrusion detection scan time per port with water sensors2 25 seconds 15 seconds 100 seconds
Table 9: Power Cables for Connecting the 16ALM/#1650D/-48VDC
Cable length of 3 meters (10 ft)
Sales Item Number Cable Variant
1036904052 CBL/DC/300/3AWG16/PTB/RD-BK
1036904053 CBL/DC/300/3AWG16/PTB/GR-BL
1036904054 CBL/DC/300/3AWG16/PTB/BL-BK
1036904092 CBLZ/DC/300/2AWG14/PTB/BU-BK3
Cable length of 10 meters (32.8 ft)
Sales Item Number Cable Variant
1036904055 CBL/DC/1000/3AWG16/PTB/R-/B+
Table 10: -48VDC Power Requirements for 16ALM/#1650D/-48VDC
Max input current 0.2A
DC input voltage -72V to -36V (-48V typical)
Transient current 200mA
Supply current rate of change ±100mA/us
Typical power consumption 10W (25°C ambient temperature, 48V)
Maximum power consumption 13W
Recommended external circuit breaker for full load conditions Minimum 1A, maximum 6A hydraulic magnetic circuit breaker, characteristic curve C, D according to IEC/EN 60898 or similar.
Power cord Use of the cables provided by is mandatory. See Table 13.
  1. The typical maximum number of manhole sensors = (specified measurement range- 18 – link loss without couplers)/0.31. See Table 11 for the measurement range.
  2. The intrusion detection scan time might vary depending on the actual link loss.
  3. The item number for the grounding/earthing terminal kit is 1036904093. This is a separate kit that you order.
Table 11: AC Power Requirements for 16ALM/#1650D/AC
Recommended external circuit breaker 1A, type B or C, at 100V – 127V AC 1A, type B or C, at 220V – 240V AC1
Input voltage 100V to 240V AC (+/- 10%)
Frequency 50Hz to 60Hz
Rated input current 250mA to 150mA
Inrush current (1 ms after power on) 4.8A
Nominal power consumption 10W at 240V; 9W at 100V
Maximum power consumption under worst case conditions 13W
Table 12: AC Power Cords for 16ALM/#1650D/AC
Female coupler AC Appliance Coupler according to IEC/EN 60320/C13
Power cord North America plug type: NEMA 5-15P, NEMA 6-20 wall plug rating: 125V AC, 10A minimum power cord rating: 18/3 SVT, 125V AC, 10A, VW-1, 105 °C with L, N, and PE pin.
Power cord Continental Europe2 plug type: CEE 7/7 wall plug rating: 250V AC, 10A minimum power cord rating: 250V AC, 10A, H05VV-F, 105 °C, 3-pole
Power cord United Kingdom plug type: BS1363 wall plug rating: 250V AC, 10A minimum power cord rating: 250V AC, 10A, H05VV-F, 105 °C, 3-pole fuse type: 1A or 3A
Power cord International plug type: according to your local and national electrical codes with L, N, and PE pin. wall plug rating: 250V AC, 10A minimum power cord rating: 250V AC, 10A

WDM Coupler Cable J-Y/SM/1CS+#1650/LC/0310

Table 1: General Information
Equipment Type J-Y/SM/1CS+#1650/LC/0310
First release 1.2.2
Length with cord 3100mm (122 in)
Length without cord 65mm (2.6 in) without shrink tube 75mm (2.9 in) with shrink tube
Weight 0.015kg (0.033 lbs)
Environmental conditions Telcordia SR-3580 level 3 (NEBS), ETSI EN 300 019-1-3 Class 3.1
Temperature range -33°C to +70°C (extended)
Degree of protection according to IEC 60529 IP20. Use in a pollution degree 2 environment and indoor controlled office environments only.
MTBF at 25°C ambient temperature 31,250,000h
Table 2: Optical Interfaces
Number of Monitor (Mon) Ports 1 x LC/APC
Number of Client (C) Ports 1 x LC/PC
Number of Network (N) Ports 1 x LC/PC
Fiber Type SM G.652
Table 3: Optical Characteristics
Maximum insertion loss1 1.2dB
Average insertion loss 0.6dB
Average + 2Sigma2 0.9dB
Directivity 50dB
Optical return loss 40dB
Passband for Monitor (Mon) Port 1636nm to 1671nm
Passband for Client (C) Port 1262nm to 1618nm
Isolation for Client (C) Port 40dB
Isolation for Monitor (Mon) Port 15dB
  1. When measuring the insertion loss of the coupler, any additional insertion loss of the connectors and test setup must be accounted and compensated for.
  2. Use this value for network planning.

Demarcation Reflector J/SM/DR/PTP/LC/0310

The J/SM/DR/PTP/LC/0310 is a single channel demarcation reflector patch cord. The J/SM/DR/PTP/LC/0310 comes with ruggedized fibers and can be used as any patch cord. The filter itself is a small metal tube located in the middle of the 310cm cable.
Table 1: General Information
Equipment Type J/SM/DR/PTP/LC/0310
First release 1.2.1
Form factor patch cord
Weight 20g (.04 lbs)
Length with cord 3100mm (39.37 in)
Length without cord 65mm (2.5 in)
Diameter 3.2mm (0.1 in)
Environmental conditions Telcordia SR-3580 level 3 (NEBS), ETSIEN 300 019-1-3 Class 3.1
Temperature range -40°C to +85°C (extended)
MTBF at 25°C ambient temperature 500,000,000h
Table 2: Optical Interfaces
Network Port (N) (Data+ signal) LC/PC – male
Client Port (C) (Data signal only) LC/PC – male
Fiber Type SM G.652
  1. When measuring the insertion loss of the reflector, any additional insertion loss of the connectors and test setup must be accounted and compensated for. The specified loss in this documentation includes one connector.
  2. Use these values for network planning.
Table 3: Optical Characteristics
Insertion loss Data Signal maximum value1 1.1dB for C-temp, 1.4dB for I-temp
Insertion loss Data Signal average value 0.5dB for C-temp, 0.7dB for I-temp
Average + 2Sigma2 0.8dB for C-temp, 1.0dB for I-temp
Optical Reflect Loss ( Signal) 1.2dB for C-temp, 1.5dB for I-temp
Passband for Reflect (network port) 1636nm to 1671nm
Passband for Client (data port) 1262nm to 1618nm
Isolation for Reflect (data and network port) 20dB
Isolation for Client (data and network port) 40dB

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1. Introduction