CHAPTER 1.
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© SAMSUNG Electronics Co., Ltd.
Table 1.13 Electric Characteristics of LAN Interface (100 Base-Tx)
(Continued)
Category
Description
Access Control Method
CSMA/CD
Transfer Media
UTP CAT5, STP
Number of UTP Pairs
Two pairs
Characteristic Resistance
100
Ω
Cable Thickness
Diameter 0.51 mm(24 AWG), External Diameter 6 mm
Types of
UTP Cables
UTP 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 module
and 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 Signaling
y
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 Signaling
The DTMF signal processing follows the ITU standard for the transmission and reception
on the C.O. line side of digital phone signal and the signal processing at an originating
phone and the reception.
1.3.3 Power Specifications
The 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 system
cabinet.
Table 1.14 Specification of the Power Supply Board
Category
Power Specification
Input Conditions
AC 110 V/220 V
Output 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)
Содержание OFFICESERV 7100
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