Table 3.12 Electrical Characteristics Of The Pri Trunk Line; Table 3.13 Electrical Characteristics Of The Dli Line; Table 3.14 Electrical Characteristics Of The Wim Interface (V.35 Interface) - Samsung OfficeServ 7200 System Description

The electrical characteristics of the ISDN (PRI) interface comply with the ITU I.431 and
ETS 300 011 standards.
Transmission speed
Code
Pulse type
Nominal and pulse
Transmission media
Load resistance
Indicated (pulse) nominal peak voltage
Blank (non-pulse) peak voltage
The electrical characteristics of the Digital Line Interface (DLI) are shown in the table below:
Transmission speed
Code
Pulse type
3.2.1.2 Signaling Type of the Dedicated Line
Electrical Characteristics of the WIM Interface
The electrical characteristics of the V.35 interface are shown in the table below:

Table 3.14 Electrical Characteristics of the WIM Interface (V.35 Interface)

Maximum transmission speed
Transmission code
Number of transmission lines
Characteristic resistance
Indicated (pulse) nominal peak voltage
Input differential threshold
The electrical characteristics of the RS-232C (V.28) interface are shown in the table below:
© SAMSUNG Electronics Co., Ltd.

Table 3.12 Electrical Characteristics of the PRI Trunk Line

Category

Table 3.13 Electrical Characteristics of the DLI Line

Category
Category
OfficeServ 7200 System Description
Specification
2048 Kbits/s ±50 ppm
High Density Bipolar of Order 3 (HDB3)
Regular square wave: When indicating all valid signals,
comply with the mask (I.403) regardless of the codes.
244 ns
A pair of twisted lines
120 
3.00 V
0 ±0.300 V
Specification
384 Kbits/s
AMI
Typical AMI waveform
Specification
10 Mbits/s
V.35 driver
18
100 
±2 V
±80 mV
3-9