H901OGHK Board Description
The H901OGHK board is a 48-port GE/FE optical interface board,
providing Ethernet optical access. It supports up to 48 channels of
GE/FE P2P access services, and is applicable to Ethernet access.
Feature and Specifications
The H901OGHK board supports the following features and
specifications:
48-channel (CSFP) or 24-channel (SFP) GE/FE P2P optical access
Cascading and aggregation
Two-channel one-fiber bidirectional CSFP optical modules,
one-channel two-fiber bidirectional SFP modules, and one-channel
one-fiber bidirectional SFP modules
GE port issuing synchronous Ethernet clock signals
SyncE and 1588v2
Temperature reading and high-temperature alarm
Automatic power-off in case of high temperature
Board power-off for energy conservation
Parameters
Board Parameter
You can query power consumption, weight, maximum frame size, and
normal operating temperature of all boards.
Table 1 lists the power consumption, weight, and maximum frame size
of boards.
The operating temperature of H901XSED and H901TWED is -40°C to
+55°C (in MA5800–X17/X15/X7) or -40°C to +65°C (in MA5800–X2) and
the lowest board startup temperature is -25°C. The operating
temperature of other boards is -40°C to +65°C and the lowest board
startup temperature is -25°C.
NOTE:
The power consumption of a board is calculated based on the
following conditions:
Operating voltage: -53.5 V DC.
Ambient temperature: 25°C.
Static power consumption: All ports do not carry any loads and
optical modules are not installed on optical ports.
Maximum power consumption: All ports fully carry loads.
The board power consumption slightly varies with the power module
configured for the board and discreteness of components.
Table 1 Power consumption and maximum frame size of boards
Board | Power Consumption | Weight | Maximum Frame Size |
GE/FE optical interface board |
H901OGHK | Static: 42 W Maximum: 75 W | 1.09 kg | 2052 bytes. After the jumbo frame function is enabled, a maximum of
9216 bytes can be supported. |
Working Principle
Figure 1 Working principle of the H901OGHK board
| 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. |
| Switching module: aggregates and forwards signals, and then
transmits the signals to the control board through the bus of the
backplane. Interface module: transmits and receives signals. |
| Indicates the channel of power or clock signal. |
| The power module supplies power to each functional module of the
board. The clock module provides clock signals for each functional module
of the board. |
Front Panel Port
For details about supported optical module, see GE
Optical/Electrical Module,FE Optical Module and FE/GE Adaptive
Optical Module.
Cable
The LC optical connector used in H901OGHK is shorter than the
average LC optical connector.
