CVT10-M Multimode Fiber to Ethernet Conversion
The NovaStar CVT10-M supports full-duplex optical and electrical signal conversion between sending equipment and an LED display. This is the multimode version of the CVT10 series. Its fiber requirements and transmission distance differ from the single-mode CVT10-S.
| Parameter | Specification |
|---|---|
| Ethernet ports | 10 × Gigabit Ethernet, up to 1 Gbit/s each |
| Optical ports | 2 × 10G; factory-installed hot-swappable modules |
| Optical module transmission rate | 9.95–11.3 Gbit/s |
| Wavelength / specified distance | 850 nm / 300 m |
| Fiber | OM3 / OM4, multimode twin-core, 50/125 μm |
| Optical connector | LC |
| Insertion loss / return loss | ≤0.2 dB / ≥45 dB |
| Control interface | USB Type-B |
| Power supply / rated consumption | 100–240 V AC, 50/60 Hz, 0.6 A / 22 W |
| Power connectors | 3-pin socket and PowerCON, selected by power switch |
| Dimensions / net weight | 254.3 × 50.6 × 290.0 mm / 2.1 kg |
| Operating conditions | −20°C to +55°C; 10–80% RH, non-condensing |
| Storage conditions | −20°C to +70°C; 10–95% RH, non-condensing |
When Are All Ten Ethernet Ports Available?
For fiber input and Ethernet output, V1.2.2 states that an input device with eight or sixteen Ethernet ports makes the first eight CVT10 ports available. An input device with ten or twenty Ethernet ports can make all ten available. The document also contains a future-upgrade note for unavailable ports 9 and 10; this is not proof that every installed firmware version enables them.
For Ethernet input and fiber output, the specification lists all ten Ethernet ports as available. Confirm the sending device, direction of conversion and firmware before planning the cabinet connections.
Backup Mode, USB and Installation
In the documented CVT mode, OPT1 is the primary optical port and OPT2 is its backup. CVT is the supported default mode in V1.2.2; DIS is reserved. USB Type-B is for program upgrades from a computer running NovaLCT V5.4.0 or later, not for cascading converters.
Horizontal, suspended and rack installation are supported. The PDF shows the standard 19-inch rack assembly using two converters, or one converter and a connecting piece. The optical modules are hot-swappable, but the PowerCON connector must not be connected while live.
Frequently Asked Questions
What fiber is needed for CVT10-M?
Use OM3/OM4 multimode twin-core 50/125 μm fiber with LC connectors. The specification gives insertion loss of no more than 0.2 dB and return loss of at least 45 dB.
How far does CVT10-M transmit?
V1.2.2 specifies 300 m with the 850 nm multimode optical modules. CVT10-S is the separate single-mode version and has different fiber requirements.
Why are Ethernet ports 9 and 10 unavailable?
In fiber-in/Ethernet-out operation, availability depends on the input device and firmware. Eight- or sixteen-port sending devices use the first eight ports; ten- or twenty-port devices are described as supporting all ten. The original future-upgrade note must be checked against the installed firmware.
Can OPT2 be used as another independent output group?
In the documented CVT mode, OPT2 is the backup of OPT1. Do not treat the two optical ports as separate groups that double the Ethernet capacity.
Can I cascade CVT10-M units through USB?
No. USB Type-B is documented for program upgrades through NovaLCT V5.4.0 or later, not device cascading.
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