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What are the features of the TRANSITION NETWORKS CBFTF1029-105?
The TRANSITION NETWORKS CBFTF1029-105 Slide-in-Module Media Converter features include:
• Extend network distance up to 120 km with an SFP module
• Convert 10/100 on copper to straight 100 on fiber
• Half or Full-Duplex on both ports
• Fully manageable
• Auto-Negotiation and AutoCross™
• Link Pass Through (LPT) and Far-End-Fault (FEF)
• Automatic Link Restoration
• Field Upgradeable Firmware
• Can be used with any Point System™ Chassis
• Bridging media converters provide conversion and integration solutions for half- and full-duplex environments
What are the ordering information and available SKUs for the TRANSITION NETWORKS CBFTF1029-105 series?
| SKU | Description |
|---|---|
| CBFTF1011-105 | 10/100BASE-TX (RJ-45) [100 m/328 ft.] to 100BASE-FX 1300nm MM (ST) [2 km/1.2 mi.] Link Budget: 11.0 dB |
| CBFTF1013-105 | 10/100BASE-TX (RJ-45) [100 m/328 ft.] to 100BASE-FX 1300nm MM (SC) [2 km/1.2 mi.] Link Budget: 11.0 dB |
| CBFTF1039-105 | 10/100BASE-TX (RJ-45) [100 m/328 ft.] to 100BASE-FX 1300nm MM (LC) [2 km/1.2 mi.] Link Budget: 11.0 dB |
| CBFTF1014-105 | 10/100BASE-TX (RJ-45) [100 m/328 ft.] to 100BASE-FX 1310nm SM (SC) [20 km/12.4 mi.] Link Budget: 16.0 dB |
| CBFTF1019-105 | 10/100BASE-TX (RJ-45) [100 m/328 ft.] to 100BASE-FX 1310nm SM (LC) [20 km/12.4 mi.] Link Budget: 17.3 dB |
| CBFTF1040-105 | 10/100BASE-TX (RJ-45) [100 m/328 ft.] to 100BASE-X SFP Slot (empty) |
| Single Fiber Products | Recommended use in pairs |
| CBFTF1029-105 | 10/100BASE-TX (RJ-45) [100 m/328 ft.] to 100BASE-FX 1310nm TX/1550nm RX single fiber SM (SC) [20 km/12.4 mi.] Link Budget: 19.0 dB |
| CBFTF1029-106 | 10/100BASE-TX (RJ-45) [100 m/328 ft.] to 100BASE-FX 1550nm TX/1310nm RX single fiber SM (SC) [20 km/12.4 mi.] Link Budget: 19.0 dB |
*Typical maximum cable distance. Actual distance is dependent upon the physical characteristics of the network installation.
** CBFTF1029-105 and CBFTF1029-106 are intended to be installed in the same network where one is the local converter and the other is the remote converter.
What precautions should be taken before setting the DIP switch on the TRANSITION NETWORKS CBFTF1029-105?
CAUTION: Wear a grounding device and observe electrostatic discharge precautions when setting the 6-position DIP switch. Failure to observe this caution could result in damage to the media converter.
How do I set the 6-position DIP Switch (SW2) on the TRANSITION NETWORKS CBFTF1029-105?
The 6-position DIP switch (SW2) is located on the edge of the PCB. Use a small flat blade screwdriver to set the recessed switches. The functions for each switch position are as follows:
1. Auto-Negotiation
up: Enables Auto-Negotiation on the copper port. Advertises the setting of switches 2 and 3.
down: Disables Auto-Negotiation on the copper port. Forces the setting of switches 2 and 3.
2. Speed (only functions when Switch 1 is Down)
up: 100 Mb/s operation on the copper port.
down: 10 Mb/s operation on the copper port.
3. Copper Mode Duplex (only functions when Switch 1 is Down)
up: full duplex operation on the copper port.
down: half duplex operation on the copper port.
(Parallel detection only with Auto-Negotiation enabled and linked to non-negotiating device)
up: Parallel detects in IEEE standard half duplex.
down: Non-standard full duplex.
4. Fiber Mode
up: Forces full duplex operation on the fiber port.
down: Forces half duplex operation on the fiber port.
5. Far-End Fault (FEF)
up: FEF Enabled
down: FEF Disabled
6. Link Pass Through (LPT)
up: LPT Enabled
down: LPT Disabled
How do I set the Hardware/Software Mode Jumper (J4) on the TRANSITION NETWORKS CBFTF1029-105?
The jumpers are located on the media converter circuit board. Use a small needlenosed pliers or a similar tool to set the jumper. The Hardware/Software jumper is labeled “H” for hardware and “S” for software.
• Software Mode (jumper on ‘S’ pin): The media converter mode is determined by the most-recently saved on-board settings.
• Hardware Mode (jumper on ‘H’ pin): The media converter mode is determined by the 6-position switch settings.
How do I install the TRANSITION NETWORKS CBFTF1029-105 slide-in-module?
To install the CBFTF10xx-105 media converter slide-in module:
1. Locate an empty installation slot on the PointSystem™ chassis.
2. Carefully slide the module into the installation slot, aligning the module with the installation guides.
3. Ensure that the module is firmly seated inside the chassis.
4. Push in and rotate the panel fastener screw to secure the module to the chassis front.
How do I install the Twisted-Pair Copper Cable for the TRANSITION NETWORKS CBFTF1029-105?
Note: The AutoCross feature allows either MDI (straight-through) or MDI-X (crossover) cable connections to be configured automatically, according to the network conditions.
1. Locate or build IEEE 803.2 compliant 10Base-T or 100Base-TX cable, with RJ-45 connectors installed at both ends.
2. Connect the RJ-45 connector at one end of the cable to the RJ-45 port on the CBFTF10xx-10x media converter.
3. Connect the RJ-45 connector at the other end of the cable to the RJ-45 port on the other device (switch, workstation, etc.).
How do I install the Fiber Cable for the TRANSITION NETWORKS CBFTF1029-105?
1. Locate an IEEE 803.2 compliant 100Base-FX fiber cable with male, two-stranded TX to RX connectors installed at both ends.
2. Connect the fiber cables to the media converter as described:
• Connect the male TX cable connector to the female TX port.
• Connect the male RX cable connector to the female RX port.
3. Connect the fiber cables to the other device (another media converter, hub, etc.) as described:
• Connect the male TX cable connector to the female RX port.
• Connect the male RX cable connector to the female TX port.
What do the status LEDs on the TRANSITION NETWORKS CBFTF1029-105 indicate?
Use the status LEDs to monitor media converter operation in the network.
FDPX (Fiber Duplex)
ON = full duplex fiber connection.
OFF= half duplex fiber connection.
FLNK (Fiber Link)
ON = Fiber link connection.
Blinking = Fiber network activity.
PWR (Power)
ON = Power applied to chassis card.
TSPD (Twisted-Pair Speed)
ON = 100 Mb/s.
OFF = 10 Mb/s.
TDPX (Twisted Pair Duplex)
ON = full duplex copper connection.
OFF = half duplex copper connection.
TLNK (Twisted Pair Link)
ON = Copper link connection.
Blinking = Copper network activity.
What is the AutoCross™ feature on the TRANSITION NETWORKS CBFTF1029-105?
The AutoCross feature detects and configures the twisted-pair copper port on the media converter to the correct straight-through (MDI) or crossover (MDI-X) configuration. This feature allows either MDI or MDI-X cable to connect the media converter to devices such as hubs, transceivers, or network interface cards (NICs). (No operator intervention required.)
How does the Link Pass-Through (LPT) feature work on the TRANSITION NETWORKS CBFTF1029-105?
The Link Pass-Through (LPT) feature allows the media converter to monitor both the fiber and copper RX (receive) ports for loss of signal. In the event of a loss of an RX signal, the media converter will automatically disable the TX (transmit) signal, thus, “passing through” the link loss. The far-end device is automatically notified of the link loss, which prevents the loss of valuable data unknowingly transmitted over an invalid link.
LPT with Valid Link ID: When a LPT condition occurs the Link/Activity LED for the port that still would have a link up condition, but is being forced into a link down, blinks on and off every 2 seconds while the LPT condition exists.
What is Far-end Fault (FEF) on the TRANSITION NETWORKS CBFTF1029-105?
When a fault occurs on an incoming fiber link, the media converter transmits a Far-End Fault signal on the outgoing fiber link. In addition, the Far-End Fault signal also activates the Link Pass-Through, which, in turn, disables the link on the copper portion of the network.
What is the Auto-Negotiation feature of the TRANSITION NETWORKS CBFTF1029-105?
The Auto-Negotiation feature allows the media converter to automatically configure itself to achieve the best possible mode of operation over a link. The media converter will broadcast its speed (10 Mb/s or 100 Mb/s) and duplex capabilities (full or half) to the other devices and negotiates the best mode of operation. Auto-Negotiation allows quick and easy installation because the optimal link is established automatically. No user intervention is required to determine the best mode of operation.
In a scenario where the media converter is linked to a non-negotiating device, you may want to disable Auto-Negotiation. In this instance, the mode of operation will drop to the least common denominator between the two devices (e.g. 100 Mb/s, half duplex). Disabling this feature lets you force the connection to the best mode of operation.
How does Parallel Detection work on the TRANSITION NETWORKS CBFTF1029-105?
Parallel detection is the method used to link when an auto-negotiating port detects a link partner that is in forced mode and therefore cannot participate in the auto-negotiating process. Parallel Detection can be set to IEEE Standard half duplex, or the non-standard full duplex. Switch settings for parallel detection are valid in hardware or software mode, only when Auto-Negotiation is enabled.
Per the IEEE method, an auto-negotiating port that detects a forced link partner should drop to the detected speed (10Mbs or 100Mbs) and default to HALF DUPLEX.
The media converter allows bypassing the IEEE method by setting the parallel detection default mode to half or full duplex via DIP switch 3.
What are the network considerations for the TRANSITION NETWORKS CBFTF1029-105?
Full Duplex Network
In a full duplex network, maximum cable lengths are determined by the type of cables that are used. See the cable specifications for the different models.
Half duplex network (512-Bit Rule)
In a half duplex network, the maximum cable lengths are determined by the round trip delay limitations of each Fast Ethernet collision domain. (A collision domain is the longest path between any two terminal devices, e.g. a terminal, switch, or router.)
The 512-Bit Rule determines the maximum length of cable permitted by calculating the round-trip delay in bit-times (BT) of a particular collision domain. If the result is less than or equal to 512 BT, the path is good.
What can be monitored and managed via SNMP on the TRANSITION NETWORKS CBFTF1029-105?
Use SNMP at an attached terminal or at a remote location to monitor the converter by monitoring:
• Media converter power
• Serial and part number
• Port number
• Copper and fiber link status
• Copper and fiber duplex mode
• Copper port speed
• Hardware switch setting
Also, use SNMP to enter network commands that do the following:
• Enable/disable Auto-Negotiation on copper
• Force 10Mb/s or 100Mb/s on copper
• Force full duplex or half duplex on copper
• Force full duplex or half duplex on fiber
• Enable/disable Far-End Fault on fiber
• Enable/disable Link Pass Through
What are the fiber cable specifications for the TRANSITION NETWORKS CBFTF1029-105 series?
The physical characteristics must meet or exceed the IEEE 802.3™ specifications.
Bit Error Rate: <10-9
Single mode fiber (recommended): 9 μm
Multimode fiber (recommended): 62.5/125 μm
Multimode fiber (optional): 100/140, 85/140, 50/125 μm
CBFTF1011-105, CBFTF1013-105 (multimode)
Fiber Optic Transmitter Power: min: -19.0 dBm, max: -14.0 dBm
Fiber Optic Receiver Sensitivity: min: -30.0 dBm, max: -14.0 dBm
Link Budget: 11.0 dB
CBFTF1012-105 (single mode)
Fiber-optic Transmitter Power: min: -18.0 dBm, max: -7.0 dBm
Fiber-optic Receiver Sensitivity: min: -32.0 dBm, max: -3.0 dBm
Link Budget: 14.0 dB
CBFTF1014-105 (single mode)
Fiber-optic Transmitter Power: min: -15.0 dBm, max: -8.0 dBm
Fiber-optic Receiver Sensitivity: min: -31.0 dBm, max: -8.0 dBm
Link Budget: 16.0 dB
CBFTF1015-105 (single mode)
Fiber-optic Transmitter Power: min: -5.0 dBm, max: -2.0 dBm
Fiber-optic Receiver Sensitivity: min: -34.0 dBm, max: -7.0 dBm
Link Budget: 29.0 dB
CBFTF1016-105 (single mode)
Fiber-optic Transmitter Power: min: -4.0dBm, max: -2.0 dBm
Fiber-optic Receiver Sensitivity: min: -36.0 dBm, max: -3.0 dBm
Link Budget: 32.0 dB
CBFTF1017-105 (single mode)
Fiber-optic Transmitter Power: min: -5.0 dBm, max: -0.0 dBm
Fiber-optic Receiver Sensitivity: min: -34.0dBm, max: -7.0 dBm
Link Budget: 29.0 dB
CBFTF1019-105 (single mode)
Fiber-optic Transmitter Power: min: -15.2 dBm, max: -8.0 dBm
Fiber-optic Receiver Sensitivity: min: -32.5 dBm, max: -3.0 dBm
Link Budget: 17.3 dB
CBFTF1029-105, CBFTF1029-106 (single mode)
Fiber-optic Transmitter Power: min: -14.0 dBm, max: -8.0 dBm
Fiber-optic Receiver Sensitivity: min: -33.0 dBm, max: -3.0 dBm
Link Budget: 19.0 dB
CBFTF1029-107, CBFTF1029-108 (single mode)
Fiber-optic Transmitter Power: min: -8.0 dBm, max: -3.0 dBm
Fiber-optic Receiver Sensitivity: min: -33.0 dBm, max: -3.0 dBm
Link Budget: 25.0 dB
CBFTF1035-105 (multimode)
Fiber-optic Transmitter Power: min: 0.0 dBm, max: 5.0 dBm
Fiber-optic Receiver Sensitivity: min: -36.0 dBm, max: -3.0 dBm
Link Budget: 36dB
CBFTF1039-105 (multimode)
Fiber-optic Transmitter Power: min: -19.0 dBm, max: -14.0 dBm
Fiber-optic Receiver Sensitivity: min: -30.0 dBm, max: -14.0 dBm
Link Budget: 11dB
What are the copper cable specifications for the TRANSITION NETWORKS CBFTF1029-105?
The maximum copper cable distance is 100 meters.
Category 3: (Minimum requirement for 10 Mb/s operation)
Gauge: 24 to 22 AWG
Attenuation: 11.5 dB/100m @ 5-10 MHz
Category 5: (Minimum requirement for 100 Mb/s operation)
Gauge: 24 to 22 AWG
Attenuation: 22.0 dB/100m @ 100 MHz
Cable Requirements:
• Straight-through (MDI) or crossover (MDI-X) twisted-pair cable must be used.
• Shielded twisted-pair (STP) or unshielded twisted-pair (UTP) may be used.
• Pins 1&2 and 3&6 are the two active pairs in an Ethernet network.
• Use only dedicated wire pairs for the active pins (e.g., blue/white & white/blue, orange/white & white/orange, etc.)
• Do not use flat or silver satin wire.
What are the technical specifications for the TRANSITION NETWORKS CBFTF1029-105?
| Standards | IEEE Std. 802.3u, 802.3x |
| Data Rate | 10 Mbps; 100 Mbps |
| Weight | 1 lbs. [0.45 kg] |
| Power Consumption | 3 watts |
| Max. Packet Size | 2048 bytes untagged bytes 2044 bytes tagged bytes |
| Filtering & Forwarding | 14,880 pps for Ethernet; Rate 148,800 pps for Fast Ethernet |
| Dimensions | Width: 0.86″ [22 mm] x Depth: 5.0” [127 mm] x Height: 3.4″ [86 mm] |
| Power Consumption | 4.0 Watts |
| Environment | See chassis specifications |
| Regulatory Compliance | FCC Class A, CISPR22/EN55022 Class A, EN55024, EN61000, CE Mark |
| MTBF | Greater than 250,000 hours (MIL-HDBK-217F) Greater than 687,500 hours (Bellcore7 V5.0) |
| Warranty | Lifetime |
How do I troubleshoot the TRANSITION NETWORKS CBFTF1029-105?
If the media converter fails, isolate and correct the fault by determining the answers to the following questions and then taking the indicated action:
1. Is the PWR (power) LED lit?
NO:
• Is the power cord properly installed in the media converter and at the external power source?
• Does the external power source active?
YES:
• Proceed to step 2.
2. Is the TLNK (copper link) LED lit?
NO:
• Check the copper cables for proper connection and pin assignment.
YES:
• Proceed to step 3.
3. Is the FLNK (fiber-pair link) LED lit?
NO:
• Check the fiber cables for proper connection.
• Verify that the TX and RX cables are connected to the RX and TX ports, respectively on the 100Base-FX device.
YES:
• Proceed to step 4.
4. Is the TPSD (twisted-pair speed) LED lit?
NO:
• Check the copper cables for proper connection.
• Off = The media converter has selected 10Mb/s operation.
• If the speed is not correct, disconnect and reconnect the twisted pair cable to restart the initialization process.
YES:
• On = The media converter has selected 100Mb/s operation.
• If the speed is not correct, disconnect and reconnect the twisted pair cable to restart the initialization process.
What is the revision history for the TRANSITION NETWORKS CBFTF1029-105 series user guide?
| Rev | Date | Notes |
|---|---|---|
| A | 6/5/08 | Initial release. |
| B | 11/21/08 | Switch positions 2 and 3 swapped: Speed and Duplex. Added part # SBFTF1040-105 |
| C | 6/29/10 | Added notes to DIP switch section. Added copper base media cautions statement to tech spec section. Added CBFTF1012-105. |
| D | 10/14/10 | Corrected link budgets on CBFTF1015, 16, 17-105. |
| E | 10/14/16 | Updated DIP switch and jumper information; updated format and contact information. |
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