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The H901XSHF board is a 16-port XGS-PON OLT interface board. It works together with the optical network unit (ONU) to provide XGS-PON access services.
Figure 1 Appearance
Specification | H901XGHDE | H901TWEDE | H901XSHF |
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Port quantity | 8 | 8 | 16 |
Forwarding capability | 80 Gbit/s | 80 Gbit/s | 160 Gbit/s |
Rate mode | Asymmetric rate | Supports 2 modes:
| Supports 2 modes:
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Port rate |
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Maximum split ratio | 1:256 | 1:64 | 1:256 |
T-CONTs per PON port | 2048 | 2048 | 2048 |
Service flows per PON board | 16376 | 16376 | 16368 |
MAC address table size | 131072 | 131072 | 131072 |
Maximum distance difference between 2 ONUs under the same PON port (board capability) | 40 km | 40 km | 40 km |
Supported ONU rates | 10G/2.5G (downstream rate/upstream rate) |
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FEC | Bidirectional | Bidirectional | Bidirectional |
CAR group | Yes | Yes | Yes |
HQoS | Yes | Yes | Yes |
PON ISSU | Yes | No | Yes |
Variable-length OMCI | Yes | Yes | Yes |
ONU-based or queue-based shaping | Yes | Yes | Yes |
Type B protection (single-homing) | Yes | Yes | Yes |
Type B protection (dual-homing) | Yes | No | Yes |
Rogue ONT detection and isolation | Yes | Yes | Yes |
Automatic shutdown at high temperature | Yes | Yes | Yes |
Energy conservation for service boards | Yes | Yes | Yes |
Figure 2 Working principle of the H901XSHF board
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Indicates the channel of control signal. | Indicates the channel of service signal. | ||
Control module: loads the board software, controls the running of the board, and manages the board. |
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Indicates the channel of power or clock signal. |
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Indicator | Name | Color | Status | Operation Description |
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RUN/ALM | Running status indicator | Red | Blinking | The board enters the APP start phase during the board startup |
Green | Blinking quickly (on for 0.25 s and off for 0.25 s repeatedly) | The board enters the phase of communication with the control board during its startup | ||
Green | Blinking slowly (on for 1 s and off for 1 s repeatedly) | The board works in the normal state | ||
Orange | Blinking (on for 0.25 s and off for 0.25 s repeatedly) | A high-temperature alarm is generated | ||
Red | On | The board is faulty | ||
PON 0-15 | PON port indicator | Green | On | The ONT of the related PON port is online |
- | off | The ONT of the related PON port is offline |