What's special about the Black Box Fiber Driver?
- Allows you to recover jitter free data and clock with Phase Locked Loop PLL circuit
- Enables communication between two V.35 or X.21 data devices over a fiber optic
- Operates with many grades and sizes of fiber optic cable for your convenience
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The Black Box Campus Fiber Driver is a synchronous high-speed line driver that enables communication between two V.35 or X.21 data devices over a fiber optic link. Some of the data devices that are ideal to use with these drivers are routers, CPUs, and multiplexors. A pair of Campus Fiber Drivers creates a secure fiber optic link that’s immune to electrical interference (EMI/RFI, spikes, and differential ground loops) and can be maintained in hostile or hazardous environments.
|BB-ME550A-35||Campus Fiber Driver Multimode V.35, 850 NM||1.7"H x 9.6"W x 7.6"D (4.3 x 24.4 x 19.3 cm)||4.4 lbs|
|BB-ME552A-35||Campus Fiber Driver Multimode V.35, 1300 NM||1.7"H x 9.6"W x 7.6"D (4.3 x 24.4 x 19.3 cm)||4.4 lbs|
|BB-ME550A-X21||Campus Fiber Driver Multimode X.21, 850 NM||1.7"H x 9.6"W x 7.6"D (4.3 x 24.4 x 19.3 cm)||4.4 lbs|
You can chose 12 synchronous data rates, ranging between 56 kbps and 2.048 Mbps. The ME550A models allow you to transmit data up to 3.1 miles (4.9 km) across 850-nm multimode fiber. If you need even longer distances, the laser-diode light source in the ME552A models enable your data to travel up to 31 miles (49.8 km) over single-mode fiber!
Three transmit clocking modes included in the Campus Fiber Drivers provide extensive operational flexibility. These fiber drivers are also able to recover jitter-free data and clock from the optical signal via a phase locked loop (PLL) circuit.
- Choose from 12 selectable sync data rates
- Transmit up to 3.1 miles (5 km) with the BB-ME550 models and up to (49.9 km) with the BB-ME552 models
- There are 3 clocking models to choose from: Internal, external DTE and receive loopback, which are the three most common clocking systems for equipment
- With the V.35 models feature V.54 diagnostics so you can perform local analog and digital loopbacks as well as remote digital loopbacks
- Allows you to test your link from end to end
- You can choose between single-mode or multimode models
|Clocking||Receive: From receive signal
Transmit: Internal, external, or loop clock
|Diagnostics||All: Digital Loopback, Remote Loopback, Local Analog Loopback, Pattern (BER)
V.35 models also have: ITU V.54
|Receiver Sensitivity||ME550A: -39 dBm
ME552A: -40 dBm
|Speed||56, 64, 112, 256, 384, 512, 768 kbps
1.024, 1.536,1.544, and 2.048 Mbps
|Typical Output Power||ME550A: -18 dBm: 62.5/125
ME552A: -12 dBm: 9/125
|CE Approval||ME552A-35, ME552A-X21, and 230-VAC versions: ME550AE, ME552AE|
|Connectors||V.35 models: (1) M/34 F, (1) pair of ST
X.21 models: (1) DB15 F, (1) pair of ST
|Indicators||Transmit Data, Receive Data, Request to Send, Data Carrier Detect, BER test error, Power, Loopback mode or BER (TEST)|
|Operating Temperature||32° F to 122° F|
|Power||115 VAC, 60 Hz, (230-VAC, 50-Hz version upon request)|
|Size||1.7“H x 9.6“W x 7.6“D (4.3 x 24.4 x 19.3 cm)|
Selecting Fiber Line Drivers
When choosing a fiber driver, you should make a power budget, calculate the speed and distance of you cable run, and know the interface requirements of all your devices. Many of our fiber drivers are for single-mode fiber optic. Compare to multimode fiber, single-mode delivers up to 50 times more distance. And single-mode at full-duplex enables up to two times the data throughout of multimode fiber.
How a Line Driver Operates
Driving Data? Better check the transmission.
Line drivers can operate in any of four transmission modes: 4-wire full-duplex, 2-wire full-duplex, 4-wire half-duplex, and 2-wire half-duplex. In fact, most models support more than one type of operation.
So how do you know which line driver to use in your application?
The deal with duplexing
Fist you must decide if you need half - or full-duplex transmission. In half-duplex transmission, voice or data signals are ephone conversation, transmitted in only one direction at a time, as in CB radio conversation. In full-duplex operation, voice or data signals are transmitted in both directions at the same time, as in a telephone conversation.
The entire bandwidth is available for your transmission in half-duplex mode. In full-duplex mode, however, the bandwidth must be split in two because data travels in both directions simultaneously.
Two wires or not two wires? that is the question.
The second consideration you have is the type of twisted-pair cable you need to complete your data transmissions. Generally you need twisted-pair cable with either two or four wires. Often the type of cabling that's already installed in a building dictates what kind of a line driver use. For example, if two twisted pairs of UTP cabling are available, you can use a line driver that operates in 4-wire applications, such as the Short -Haul Modem-B Async or the Line Driver-Dual Handshake models.. Otherwise, you might choose a line driver that works for 2-wire applications, such as the Short-Haul Modem-B 2W or the Async 2-Wire Short-Haul Modem.
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