Brief introduction：

   BH-E4U-16 is a 4U 19(23)”
concentrator rack type E1 for Fractional and Unframed G.703 E1 Access for
central office installations. There are 16 slots available for hot swappable
G.703 E1 cards and 2 Power supply Card. The NMS card and the E1 Card can be
installed into any one business slots. Using business cards and interface
adapters separate ,facilitate the replacement of business cards, while
retaining the flexibility of the frame style device.

NMS is a centralized network device management platform for the
management, maintenance and operation of the 1000 series of E1 converter ,
customers can save investment in human and material resources, and reduce
management costs.

Features：
  ◆ Dual Power Supply redundancy back up
  ◆ 16 business slots and 2 power supply slots
  ◆ Support differnet type interface convertor cards and support mixed different
business card,the functions not be affected by each other
  ◆ Business cards and interface adapters separation, easy to maintain
  ◆ Perfect network management, NMS card occupy one business card
  ◆ Centralized monitoring the full range of products, including local and remote
devices
  ◆ Achieve centralized chassis mixed into the business card management
  ◆ Host Computer centralized monitoring , using RS232 or Ethernet interface
connected between the host computer and the monitoring equipment
  ◆ Using hierarchical management model, that is, network, subnet and network
elements organizational management,so structured, intuitive alarm, convenient
inquiry
  ◆ Automatically search sub-network connection, automatically generate subnets
connected topology and topology.Subnets topology can also manually create
  ◆ With Strong adaptability and scalability. only just add a new network element
module, you can manage the company’s new communications equipment
  ◆ Three security permissions to protect the network data and euipment safely
working
   ◆ Object-oriented design , modular structure, easy system management and software
upgrades
  ◆ System runs on the Windows platform, friendly GUI

Management system structure and
function description：
  The management system function includes subnets
maintenance, subnet configuration, element management, alarm management, log
management, communications connectivity, security configuration, software updates,
reports statistics functions
  1．Subnet
maintenance and configuration：Automatic
/ manual subnetwork connection establishment, modify, save and delete subnets,
configure the connection between the network elements
  2．Element
Management：network
fault management, configuration management, accounting management, performance
management and security management
  3．Alarm
Management： a variety
of network alarm information display, configuration, save functions
  4．Log
Management： the
system alarm logs, operation logs and other logs save and displays
  5．Communications
Connectivity： network
element connection establishment, configuration management and data connections
transmission
  6．Security
Configuration：Setting
permissions,allocation of operating authority and account Login
  7．Software
Updates：Upgrade
software version, add new network element equipment, network element equipment
software upgrades
  8．Report
Statistics：System
operating parameters, network element parameters Statistical, display, analysis
and report printing

Management system
parameters：
  ◆The
maximum number of subnet management system can be 100
  ◆ Each subnet maximum includes 100 NE
  ◆ Management computer and network element connection: RS232, Ethernet
  ◆ Each network element query interval: 1 second
  ◆Operating
system： Windows
98/2000/XP，best is
Windows XP
  ◆HDD：100MB