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| Parameter Details | |
|---|---|
| Model | GTGH |
| GPON port | 16-GPON port |
| Type | B+/C+/C++ module: single fiber bidirectional optical module |
| Working wavelength | Tx: 1490 nm, Rx: 1310 nm |
| Packaging type | SFP |
| Port rate | Tx: 2.488 Gbit/s, Rx: 1.244 Gbit/s |
| Minimum output optical power | C++ module: 4.50dBm |
| Maximum output optical power | C++ module: 8.00 dBm |
| Maximum receiver sensitivity | C++ module: -30dBm @ 10E-10 / -32 dBm @ 10E-10 |
| Optical connector type | SC/PC |
| Fiber type | single mode |
| Propagation distance | 20km |
| Overload optical power | C++ module: -12.0 dBm |
| Extinction ratio | 8.2 decibels |
| Weight | 1kg |
| Size (width x depth x height) | 22.86 mm x 237.00 mm x 395.40 mm |
| Indicator | Status | Description |
|---|---|---|
| RUN | OFF | The card is not powered ON. |
| Green LED flashes slowly (1 Hz) | The card works properly (INSERVICE). | |
| Green LED flashes quickly (2 Hz) |
• The card is in configuration process. • The card is in BOOT writing process. Do Not pull out the card. |
|
| Green LED is ON |
• The card is in version starting process. • The card is in BOOTROM program. • The card is in PLD upgrading process. |
|
| Red LED is ON | The card is seriously faulty, such as hardware fault. | |
| Yellow LED flashes slowly (1 Hz) | The card type is inconsistent with configuration (TYPEMISMATCH). | |
| ACTi (i = 1–16) | OFF | The PON interface has no configuration. |
| Green LED flashes | The PON interface has no configuration and discovers new ONU. | |
| Green LED is ON | ONUs are registered on the PON port and work properly. | |
| Red LED is ON | The GPON interface has LOS alarms. |
We are a Guangdong-based optical communication manufacturer founded in 2017. Our products are sold worldwide, with key markets including Asia, North America, Europe, the Middle East, and South America, supported by a professional team dedicated to serving global clients.
We guarantee quality by implementing strict protocols including pre-production samples before mass production and a 100% final inspection before shipment.
We specialize in FTTH ONU/OLT, SFP Modules, Fiber Media Converters, PoE Switches, and other professional fiber optic equipment.
We are a top-tier optical communication supplier. Our core focus lies in delivering high-standard PON and switching solutions, backed by a strong engineering team and value-added services for partners worldwide.
