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Hardware Description and Specifications for Xen IPK Chapter 2
1.1B64-U23 KSU
1.1.1Basic KSU
The B64-U23 KSU provides service for outside lines, Attendant Consoles, and interconnection of the station terminals. The B64-U23 KSU has two fixed and eight flexible slots. The first fixed slot is reserved for the CPUI( )- U( ) ETU in the basic KSU or for the EXP-U( ) ETU in expansion KSUs. The second fixed slot is for the MIFA- U( ) ETU or MIFM-U( ) ETU.
The P64-U13 PSU (power supply unit), backup batteries, [one external MOH/BGM input, one external paging zone output] and three PFT relays are included with each KSU.
1.1.2Expansion KSUs
The B64-U23 KSU is also used as the expansion unit that can be attached to the basic KSU to provide additional ports. Two expansion units can be added to the Xen IPK system. Each expansion KSU provides eight flexible slots and accommodates 8-, 16-, 24-channel interface cards. The P64-U13 PSU (power supply unit), backup batteries, and three PFT relays are included with each KSU.
September 2003
Doc. No. 8283 - Release 1.0
Hardware Description and Specifications for Xen IPK | Chapter 2 – 21 |