Physical Description - Avaya Nortel Communication Server 1000 Reference

Figure 159: UDT card positioning in a CS 1000B system
The UDT card is based on the technology of the MG 1000E PRI Gateway, with the following
main features:
• DTI, DTI2, PRI, PRI2, DPNSS, DASS2
• Optional UDT CC daughter board
• On board DDCH/DCHI functionality
• F/W download

Physical description

The UDT card consists of the following hardware features:
• A Motorola MPC880 PowerQUICC Main Processing Unit (MPU) . The MPU block includes
a 32 Megabyte (MB) Flash memory device that stores and executes the Boot code, and
a 32 MB SDRAM main memory. The MPU core operates internally at 100 Megahertz
(MHz), but only operates externally at a capacity of 50 MHz.
• PCM interfaces based on Infineon FALC E1/T1 transceivers
• Digital PLL for synchronizing on external clock
• One DIP switch for E1/T1 mode setting
• One 10/100BaseT Ethernet port connected to the faceplate
Circuit Card Reference
Physical description
July 2011 539