HUAWEI TRANSMISSION Metro 1000
The OptiX 155/622H is a type of STM-1/STM-4/STM-16 case-shaped equipment developed by Huawei Technologies Co., Ltd. (hereafter referred to as Huawei). The OptiX 155/622H can access multiple types of services and can be used at the access layer of metropolitan area networks (MANs) and local transmission networks to access VIP private lines, wireless base stations, and digital subscriber line access multiplexers (DSLAMs). In the case of Ethernet services, the OptiX 155/622H supports transmitting services on the following two planes on a network: the traditional time division multiplexing (TDM) domain and the packet domain. In the case that the TDM domain and the packet domain are supported on the same network, a smooth migration from the TDM network to the packet network can be achieved.
Network Position
The OptiX 155/622H can access multiple types of services and can be used at the access layer of metropolitan area networks (MANs) and local transmission networks to access VIP private lines, wireless base stations, and digital subscriber line access multiplexers (DSLAMs).
In the case of Ethernet services, the OptiX 155/622H supports transmitting services on the following two domains on a network: the traditional time division multiplexing (TDM) domain and the packet transport network domain.
In the case of Ethernet services on the packet domain, the OptiX 155/622H provides a small-scale convergence function. Specifically, the equipment converges services from multiple FE ports into one GE port.
In the case that the TDM domain and the packet domain are supported on the same network, a smooth migration from the TDM network to the packet network can be achieved.
Product Features
The OptiX 155/622H features simple architecture and high integration. It supports the TDM and packet domains and therefore can be interconnected with the packet switching equipment. In addition, it supports circuit emulation service (CES) services, which realizes direct access of E1 services on the packet domain.
Simple Architecture and High Integration
The OptiX 155/622H is a type of case-shaped equipment. The dimensions of the chassis are: 436 mm (W) x 293 mm (D) x 86 mm (H). Except for the power supply module and certain service boards, the cross-connect unit, clock unit, and orderwire units are integrated into the SCB board.
Dual-Domain Architecture and Multi-Service Transmission
The OptiX 155/622H supports service bearing on the time division multiplexing (TDM) domain and the packet transport network domain. With dual-domain networking, the OptiX 155/622H achieves smooth evolution from TDM network to PSN.
Support for the CES Technology and Flexible Networking
The OptiX 155/622H supports the CES technology. With the CES technology, the OptiX 155/622H can directly access E1 TDM services to the pure packet domain. In this manner, the TDM domain smoothly evolves into the packet domain.
Capacity
Capacities are classified in to the cross-connect capacity and the access capacity.
- Cross-Connect Capacity of the TDM Mode
On the TDM mode, the cross-connect capacity supported by the OptiX 155/622H is classified into higher order cross-connect capacity and lower order cross-connect capacity. - Exchange Capacities
On the packet mode, the OptiX 155/622H supports service exchange based on the packets. - Access Capacity (TDM Mode)
Seven physical slots are available on the OptiX 155/622H. Different slots should house corresponding boards. - Slot Access Capacity (Packet Mode)
Seven physical slots are available on the OptiX 155/622H. Different slots house corresponding boards.
Basic Networking Mode
When the OptiX 155/622H functions as the access equipment, it can construct hybrid networks with Huawei Metro and OSN equipment series. The networking modes supported by the OptiX 155/622H include the point-to-point, chain, ring, hub, and mesh.
The OptiX 155/622H supports 21.25 Gbit/s higher order cross-connections, and 5 Gbit/s lower order cross-connections. It can be configured as multiple terminal multiplexers (TMs), add/drop multiplexers (ADMs), or multiple add/drop multiplexers (MADMs). It also supports service grooming and protection among multiple systems. In this manner, the networking capability and the service grooming capability among networks are significantly improved.
Table 1 Weight, dimensions and power consumption
Equipment Name Maximum Power Consumption Maximum Weight Dimensions
OptiX 155/622H 100 W 10 kg 436 mm (W) x 293 mm (D) x 86 mm (H)
Table 2 Transmission performance
Performance Description
Jitter at STM-N interface Compliant with ITU-T G.813/G.825
Jitter at PDH interface Compliant with ITU-T G.823/G.783
Bit error Compliant with ITU-T G.826
Table 3 Environment specifications for long-term operation
Specifications Description
Altitude ≤ 4000 m
Air pressure 70 kPa to 106 kPa
Temperature 0°C to 45°C
Relative humidity 10% to 90%
Anti-seismic performance Compliant with ETS300-019-2-3-AMD
Table 4 Services supported by the OptiX 155/622H and the access capability for each type of service on the TDM mode
Service Type Maximum Access Capability of a Single OptiX 155/622H NE
SDH 16xSTM-1 (o), 6xSTM-1 (e), 8xSTM-4 (o), 2xSTM-16 (o)
PDH 112xE1, 72xE1, 9xE3/T3
Ethernet 24xFE (e), 8xFE (o), 3xGE (o)
DDN service 12xNx64 kbit/s (N ≤ 31), 48xFramed E1, Nx2.4kbit/s (N ≤ 18)
SHDSL 12xSHDSL (E1, Nx64 kbit/s)
ATM 4xSTM-1 ATM
Audio and data 12xaudio + 4xRS-232 + 4xRS-422
