TELESTE - HDO700 P FIBRE OPTIC TRANSMITTER

 is a high performance, extremely linear externally modulated 1550 nm transmitter for HDO fibre optic CATV link. This transmitter type has been optimised especially for an analog channel line up to 550 MHz and a digital loading can be transmitted above 550 MHz.

Features

• 1U 19” rack housing
• Adjustable SBS suppression enables the highest performance at all transmission spans
• Two optical outputs
• Built in preamplifier
• APC circuitry for constant loading
• Front panel display
• Front panel test point

TELESTE - HDO772 C-BAND DWDM FIBRE TRANSMITTER

is a high performance directly modulated C-band DWDM transmitter for forward path fibre optic links in CATV and FTTx networks. HDO772 is able to carry analog loading up to 550 MHz and digital channels can be inserted on the whole frequency scale. HDO772 contains an electrical dispersion compensator that is important especially when analog channels are transmitted to longer distances. HDO772 is installed into HDX installation frame and the transmitter is available on different optical wavelengths in accordance with the ITU wavelength grid. The optical output power is adjustable that enables the equalising of channel power in multi-wavelength cases when optical amplifiers are utilised. HDO772 has two equal input sections with level and slope adjustments to support broadcast and narrowcast signal distribution. The RF isolation between the input branches is high minimising the leakage of narrowcast signals into unwanted narrowcast node segments. The power consumption is low but HDO772 still offers the high performance and the widest variety of features.

Features

• ITU wavelengths
• Optical output power adjustment for channel power equalising
• Electrical dispersion compensator provides a good CSO performance at longer transmission distances
• Standardised input and test point levels
• First-class power consumption vs. signal performance rate
• Two inputs with level adjustments
• Equaliser in both inputs
• High isolation between inputs
• Unused input can be switched off for power saving and noise reduction
• Drive amplifier can be set to power save mode in narrowcast load conditions
• Integrated input amplifiers and laser driver amplifiers
• Automatic power control providing constant total OMI as standard feature
• Optional integrated xWDM filter to combine forward and return paths into one fibre or to combine various forward wavelengths into one fibre
• Optional spectrum analyser function
• Fibre connectors can be located at the rear or at the front panel
• Small form factor family, 2 RU height
• Local and remote software control of all adjustments
• Forced cooling through the unit

TELESTE - HDO904 O-BAND DWDM CATV FIBRE TRANSMITTER

is a high performance O-band DWDM DFB laser transmitter for forward path (downstream) fibre optic links in CATV networks. It is installed into HDX installation frame. HDO904 is available on different DWDM wavelengths in 1310 nm window to support a node segmentation.

Features

• Standard levels at input and at test point
• Broadcast and narrowcast inputs with adjustments
• Equaliser in broadcast input
• High narrowcast isolation
• Integrated input and laser driver amplifiers
• Automatic power control as standard feature
• OMI value remains if the optical output power is changed
• Optional spectrum analyser function that enables pilot or channel based ALSC function
• Fibre connectors can be located at the rear or at the front panel
• Small form factor family, 2 RU height
• Local and remote software control of all adjustments
• Forced cooling through the unit

TELESTE - HDO905 CATV FIBRE TRANSMITTER

DFB laser transmitter

for forward path fibre optic links in CATV and FTTx networks. The module is installed into HDX installation frame. HDO905 is available on different optical output power and distortion categories to fit various performance requirements. HDO905 has two equal input sections with level and slope adjustments to support broadcast and narrowcast signal distribution. The RF isolation between the input branches is high minimising the leakage of narrowcast signals into unwanted narrowcast node segments. HDO905 power consumption is low but HDO905 still offers the highest level of performance and the widest variety of features, including the internal spectrum analyser module. An integrated WDM filter is available as an option for applications where 1310 nm forward path and CWDM return path is transmitted in one fibre. Different optical output power classes are available from +2 dBm up to +15 dBm.

Features

• Standardised input and test point levels
• First-class power consumption vs. signal performance rate
• Two inputs with level adjustments
• Equaliser in both inputs
• High isolation between inputs
• Unused input can be switched off for power saving and noise reduction
• Integrated input amplifiers and laser driver amplifiers
• Automatic power control providing constant total OMI as standard feature
• Optional spectrum analyser function
• Fibre connectors can be located at the rear or at the front panel
• Integrated WDM filter as an option
• Small form factor family, 2 RU height\
• Local and remote software control of all adjustments
• Forced cooling through the unit

TELESTE - HDO701 FIBRE OPTIC TRANSMITTER

is a high performance, extremely linear externally modulated 1550 nm transmitter for fibre optic CATV links. This transmitter type has been optimised especially for an analogue channel line up to 862 MHz.

Features

• 1U 19” rack housing
• Adjustable SBS suppression enables the highest performance at all transmission spans
• Two optical outputs
• Built in preamplifier
• APC circuitry for constant loading
• Front panel test point
• High output power option available
• DWDM wavelength option available