TV Optical Transmitter: TERRA mo418 4D31 (1x6 dBm, 1310 nm)

Code: R82522

€541.02

Price	Disc.	Quantity	Validity
€541.02	0 %	from 1 piece

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Replacements

Optical Transmitter: mo418 4F31 TERRA 1x6 dBm FP 1310 nm Code: R82526

The mo418 4D31 optical transmitter with a power of 1x6 dBm is used to transmit RTV/SAT TV signals using the optical fibre medium for wavelengths of 1310 nm.

• The transmitter allows the distribution of DVB-S/S2 and CATV signals
• Input frequency range: 47-2400 MHz
• Optical output power 6 dBm
• AGC function (automatic gain control)
• Digitally programmable with buttons located on the front panel
• Two-position display
• Multiple mounting options (DIN rail, façade)
• Connectors: 3xRF - input/output and test output - type F, 1x optical - SC/APC

Estore: Optical TV transmission Library: Some Theory (6), Connectors & Splicing (7), Measurements (2), Building System (6), CCTV Video Transm. (3), CATV/SMATV Distribution (2).

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Warranty

4-year warranty.

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Details

The TERRA mo418 4D31 R82522 optical transmitter is used for transmission of television signals via optical medium. It converts input electrical signals within 47-2400 MHz range, fed with coaxial cable, into optical signal. The power of the optical signal is 6 dBm (4 mW), which is sufficient for feeding several to ten or so nodes (depending on the sensitivity of the receivers). In the case of a point-to-point link, the transmission distance can reach 40 km.

The R82522 transmitter operates at 1310 nm wavelength (2nd transmission window). It can be mounted separately on a wall, using the included accessories, or can be placed together with other devices on universal DIN rail R82538 (also in a RACK cabinet). The device is powered from a 12 VDC source with suitable current capacity (the current consumption is typically 0.35A). With more devices, the optimum power source is the dedicated power supply DR-60-12 R82532.

We also offer TERRA mo428 4D31 R82523 transmitter equipped with two independent 6 dBm optical outputs.

On request, there are available transmitters operating in the 3rd transmission window (1550 nm):

Name	mo418 4D31	mo428 4D31	mo418 4D55	mo428 4D55
Number of optical outputs	1	2	1	2
Output level [dBm]	1x6	2x6	1x6	2x6
Wavelength [nm]	1310	1310	1550	1550

A great advantage of the device is the ability of integration with other pieces of equipment, such as:

optical splitters - distribution of optical signal to several locations
WDM diplexers - transmission of signals at 1310 nm and 1550 nm via a single fiber
RF signal processing equipment (broadband and channel amplifiers, analog TV and DVB-T modulators)

The transmitter can be placed together with other devices on universal DIN rail, also in a RACK cabinet.

Application examples

Transmission of optical signals at 1310 nm and 1550 nm
via a single fiber, with distribution to four subnetworks

Reception and distribution of four DVB-T multiplexes via optical medium,
with redistribution to four subnetworks

Key features:

transmitter allows distribution of DVB-S/S2 and CATV signals
frequency range at the input: 47-2400 MHz
RF loop input
AGC function (automatic gain control)
maximum input level: 85 dBμV
input level adjustment 0...-15 dB with a step of 1 dB
digitally programmable with buttons on front panel
two-position display
several mounting options (DIN rail, facade)
connectors: 3xRF - input/output and test output - type F, 1x optical - SC/APC

Customers can order any patch cords made to order with required terminating connectors. Please contact your sales assistant.

Specifications

Product type			Optical transmitter
Name			mo418 4D31
Signal type			RF TV/CATV
Manufacturer			TERRA
Input – RF signal
connector type			F
	SC/APC
Input frequency range RF		MHz	47 – 2400
Input signal level RF		dBµV	70...85
Input impedance		Ohm	75
Gain level adjustment		dB	0...-15 with step 1
AGC range		dB	5
Signal loop	Frequency range	dBµV	47 – 2400
Signal loop	Loss	dB	< 1
	flatness of characteristics	dB	+/- 1
Return loss		dB	18 dB/40 MHz -1.5 dB/oct (47-950 MHz); ≥ 10 dB up to 1750 MHz; ≥ 7 dB up to 2400 MHz
Output – optical signal
Laser	type		DFB
Laser	wavelength	nm	1310
	power output	dBm	6
Number of optical outputs		pcs.	1
Other parameters
Power supply for antenna preamplifier		DC V/A	12/0.4
Supply voltage		DCV	12
Current drawn		A	0.35
Operating temperature range		°C	0...+50
Dimensions		mm	198 × 107 × 36
Weight		kg	0.9