May 2001System Hardware Manual 4 - 59A6-324000-642-01 – Release 4.0May 20012.6 Fax CO Branch ConnectionThis connection is made via the fourth port on any COI(4)-U13 orCOID(4)-U13 ETU. Refer to Figure 4-1 Typical Full MDF Layout.The facsimile machine is connected to the eighth port for thespecified slot where the COI(4)-U13 ETU is installed.SECTION 3INSTALLING T HE XENM ASTER KSUThe compact design of the Xen Master KSUs provide easy installation. Theinformation in this section provides detailed instructions for installing theKSUs.✆ Before beginning installation, be sure that the Power Supply Unit(PSU) is OFF and that the power cord is disconnected from the ACoutlet.✆ Do not touch the soldered surfaces of the ETUs with your hands.3.1 General Information3.1.1 Basic KSUThe B64-U13 KSU provides service for outside lines,Attendant Consoles, and interconnection of the stationterminals. The B64-U13 KSU provides 64 ports and hastwo fixed and eight flexible slots. The fixed slots arereserved for the CPUB( )-U13 ETU and the MIF( )-U13ETU. A Power Supply Unit (P64-U13 PSU) and backupbatteries are provided with the basic KSU.3.1.2 Expansion KSUsThe E64-U13 KSU is the expansion unit that can beattached to the basic KSU to provide an additional 64ports. Two expansion units can be added to the XenMaster system, providing a maximum of 192 ports. Eachexpansion KSU provides eight flexible slots andaccommodates 8-channel interface cards. A PowerSupply Unit (P64-U13 PSU) and backup batteries areincluded with each expansion unit.The installation instructions provided in this chapter applyto both the basic B64-U13 KSU and the expansionE64-U13 KSUs unless otherwise specified.Before installing the system; observe the followingprecautions!
