CHAPTER 1. Error! Use the Home tab to apply 제목 1,장 제목 1 to the text that you want to appear here.1-12 © SAMSUNG Electronics Co., Ltd.Table 1.13 Electric Characteristics of LAN Interface (100 Base-Tx) (Continued)Category DescriptionAccess Control Method CSMA/CDTransfer Media UTP CAT5, STPNumber of UTP Pairs Two pairsCharacteristic Resistance 100 ΩCable Thickness Diameter 0.51 mm(24 AWG), External Diameter 6 mmTypes of UTP CablesUTP cables are classified into straight-through UTP cable and crossover UTP cable.The Straight-through UTP cable is used for the connection between the LIM moduleand the OfficeServ 7100 system and other modules(MCP, MGI, WIM, 4DSL).The crossover UTP cable is used for the connection between LIM modules.Dial Pulse Extension Line Signalingy Rate: 10PPS(Pulse Per Second)y Make/Break(M/B) Ratio - 33%: 66%(adjustable based on software)y Minimum time between digits: 20 msec(adjustable based on software)DTMF Push Button Dialing Extension SignalingThe DTMF signal processing follows the ITU standard for the transmission and receptionon the C.O. line side of digital phone signal and the signal processing at an originatingphone and the reception.1.3.3 Power SpecificationsThe OfficeServ 7100 system operates by using the the AC input power or battery power,and supplies the backup power of -56 V, -5 V, +3.3 V, +5 V +12 V and 54 V to the systemcabinet.Table 1.14 Specification of the Power Supply BoardCategory Power SpecificationInput Conditions AC 110 V/220 VOutput Conditions - DC -54 V, 1.1 A- DC +5 V, 5 A- DC -5.3 V, 0.3 A- DC +3.3 V, 5 A- DC +12 V, 0.4 A- DC -56 V, 0.25 A(for backup)
