Table 3.5 Electrical Characteristics Of The E1 Trunk Line; Table 3.6 Electrical Characteristics Of The Bri Trunk Line - Samsung OfficeServ 7200 General Description Manual

CHAPTER 3. OfficeServ 7200 Specifications
E1 Trunk Line
The electrical characteristics of the E1 trunk line comply with the ITU G.703 and
the G.704 standards.
Transmission speed
Code
Pulse type
Nominal and pulse
Jitter of the I/O terminal
Transmission media
Load resistance
Indicated (pulse) nominal peak voltage
Blank(non-pulse) peak voltage
The signalling specification and signalling method of the E1 trunk line should com-
ply with the ITU G.703 and G.704 standards.
Characteristics of the ISDN Interface Transmission
The electrical characteristics of the ISDN (BRI) interface comply with the ITU
I.430 and ETS 300 012 standards.
Transmission speed
Code
Pulse type
Transmission media
Load resistance
Indicated(pulse) nominal peak voltage
The electrical characteristics of the ISDN (PRI) interface should comply with the
ITU I.431 and ETS 300 011 standards.
Page 3-4

Table 3.5 Electrical Characteristics of the E1 Trunk Line

Category

Table 3.6 Electrical Characteristics of the BRI Trunk Line

Category
OfficeServ 7200 General Description Guide
Specification
2048 kbit/s ±50 ppm
High Density Bipolar of Order 3 (HDB3)
Regular square wave : When indicating all valid signals,
comply with the mask (G.703) regardless of the codes.
244 ns
Refer to the G.823.
Pair of twisted lines
120 Ω
3.00 V
0 ± 0.300 V
Specification
192 kbit/s ±100 ppm
AMI
Regular square wave : When indicating all valid signals,
comply with the mask (I.403) regardless of the codes.
Pair of twisted lines
120 Ω
2.75 V
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