Transmission Characteristics; Line Conditions; Power Specifications; Power Supply Module - Samsung OfficeServ 7200 General Description Manual

OfficeServ 7200 General Description Guide
2.2

Transmission Characteristics

Attenuation
− Attenuation between subscribers : Less than 6 dB
− Attenuation between subscriber and local trunk line : Less than 0.5 dB
Characteristic resistance of the line : 600 Ω
Weighted noise : Less than -65 dBm
Crosstalk attenuation : Less than -68 dBm
Frequency band : 300~3400 Hz
Insulation resistance : More than 1 MΩ
2.3

Line Conditions

Length for installation:
− Analogue phones : Up to 1 km (when #24 AWG (0.51mm) cable is used)
− Digital phones : Up to 400 m (when #24 AWG (0.51mm) cable is used)
− Door phones : Up to 400 m (when #24 AWG (0.51mm) cable is used)
− AOMs : Up to 400 m (when #24 AWG (0.51mm) cable is used)
Leakage resistance between lines : More than 20 kΩ
Leakage resistance between grounds : More than 20 kΩ
3

Power Specifications

3.1

Power Supply Module

This module operates using the system AC input power or battery power and sup-
plies the system chassis with backup power of -48 V, -5 V, +5 V, +3.3 V, +12 V, or
-56 V.
Category
Input condition
Output condition
Max power consumption
© Samsung Business Communications

Table 3.15 Specification of the Power Supply Module

AC 110 V/220 V
48 V DC, 2.2 A
+5 V DC, 8.0 A
-5 V DC, 1.0 A
+3.3 V DC, 10 A
+12 V DC, 0.4 A
-56 V Back-up 0.4 A
252 W
CHAPTER 3. OfficeServ 7200 Specifications
Power Specifications
Page 3-9