21 E1 or 28 T1 over T3 or Fiber Multiplexer

• Multiplexes up to 21 E1 or 28 T1 channels on a 45 Mbps data stream or fiber link
• Cross connect capabilities for drop-and insert and ring applications
• Simultaneous multiplexing of E1 and T1 channels (according to G.747 standard recommendations)
• T3 transmission over coax, fiber optic or wireless
• Multimode or single mode fiber
• Single fiber (WDM) and single fiber/wavelength option
• Range up to 110 km (69 miles)
• Optional secondary link provides automatic backup
• Optional redundant power supply
• Full management support (SNMP and Telnet) by RADview ASCII terminal, Web terminal or Telnet host
• Conforms to ITU G.703, G.747, G.823, G.824, ANSI T1.107, ANSI T1.404, RFC 3895, RFC 3896
• E3, T1 and T3 statistical support
• Compact dimensions (1U high)

• Supports large range of configurations; ideal for wireless ring configurations
• Easy LAN connectivity
• Scalable, enabling the addition of more E1 or T1 ports
• Offers cost-effective support of new services with minimum investment

Optimux-45 21 E1 or 28 T1 over T3 or fiber multiplexer provides a highly cost-effective and simple solution for transporting multiple E1 and T1 links, as well as a combination of E1 and T1 (according to ITU G.747), on a 45 Mbps data stream. Its flexibility offers a solution for a broad range of applications.

Wide range of applications and options

The Optimux-45 21 E1 or 28 T1 over T3 or fiber multiplexer has internal cross connect capabilities that enables it to support a wide range of applications. When deployed in a ring application, the Optimux-45 provides a complete path protection mechanism that prevents any service failure, even if a fiber link is damaged or disconnected. In order to improve the price/performance ratio of the product, partial assemblies with four, eight or 12 ports are available, thus reducing the price significantly in nodes where only a small number of E1/T1 lines are needed.

The Optimux-45 21 E1 or 28 T1 over T3 or fiber multiplexer supports both balanced and unbalanced interfaces:

• Balanced version has RJ-45 connectors and supports up to 28 T1 channels (balanced 100Ω), up to 21 E1 channels (balanced 120Ω) or mixed E1 and T1 channels.
• Unbalanced version has up to 21 mini-BNC connectors and supports up to 21 E1 channels (unbalanced 75Ω).

The device is non-modular and offers redundant power supply, enhancing system reliability. In addition, an optional secondary link provides backup using automatic switchover upon main link failure.

Supports both electrical and optical interfaces

The product’s main link supports both electrical and optical interface options. The electrical interface has BNC connectors in conformance with G.703 standards.

The optical interface supports the following options:

• 850 nm for multimode fiber
• 1310 nm for multimode fiber
• 1310 nm and 1550 nm laser for extended range over single mode fiber
• 1310 nm and 1550 nm long haul single fiber option (WDM)
• Single fiber/wavelength option

Advanced management, control and diagnostics

To facilitate system diagnostics, the Optimux-45 features LED status indicators as well as AIS alarm generation, recognition and dry contact closure upon link failure. In addition, the Optimux-45 21 E1 or 28 T1 over T3 or fiber multiplexer's setup, control and diagnostics can be performed through a supervisory port using an ASCII terminal, Telnet host, Web terminal, or from an SNMP management station via a dedicated management port (Ethernet or RS-232).

The SNMP management application offers:

• RADview-SC/TDM running in a Windows environment
• RADview-HPOV for HP OpenView UNIX platforms

The T3 link via an optional clock interface can be locked onto an external station clock.

The product supports various performance statistics on the T3, T1 and E1 lines.

The Optimux-45 is a compact 1U-high unit for mounting in a 19-inch rack.