The Solo Select with External Clock is part of the Solo Select Family of intelligent DSUs and was specifically designed for those customers who require enhanced data through-put integrity. The Solo Select with External Clock is offered with a BNC connection to support an external clock with 1544 KHz (T1 version) or 2048 KHz (E1 version) input. This capability lets you use your own accurate external clock to synchronize the DSU with external serial devices, such as encryption devices or video/audio codecs.

Furthermore, the Solo Select with External Clock comes with an user level security feature that lets you define up to nine management access levels to the CSU/DSU terminal user interface configuration menus. For example, each access level can be designated for each support function such as network administrator, on-site technical support, tester, or system engineer. In addition, a UDP version of RFC868 will provide a simple protocol for synchronizing date and time clocks.

Optional feature key(s) are used to activate the RMON-based performance monitoring and management features (see optional intelligence).

The Solo Select with External Clock is available both as a stand-alone device as well as a chassis-based version.

Main Features:

• Versatile full or fractional T1/E1 network interface
• Software-configurable DTE port for RS- 449/EIA-530, or V.35 interface.
• Ethernet management port.
• Non-disruptive downloadable code
• BNC connection to support an external clock
• User Level Security
• UDP version of RFC868 will provide a simple protocol for synchronizing date and time clocks
• Non-disruptive downloadable code
• Embedded SNMP agent
• Remote statistics gathering for point-to-point circuits
• Multiple levels of intelligence through Feature Keying

Optional Intelligence (Feature Keys):

• Network performance monitoring Frame Relay adapted RMON-1 (Monitor)
• Network performance monitoring Frame Relay adapted RMON-1, applications and protocols monitoring RMON- 2 (Monitor+)
• Network performance monitoring Frame Relay adapted RMON-1, applications and protocols monitoring RMON- 2, and Frame Relay SLA FRF.13. (SLV)
• Network performance monitoring Frame Relay adapted RMON-1, applications and protocols monitoring RMON- 2, and Frame Relay SLA FRF.13 as well as IP SLV. (SLV+)