OfficeServ 7400 General Description
© Samsung Business Communications
3-7
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The electrical characteristics of the RS-232C (V.28) interface are shown in the table be-
low:
Table 3.11 Electrical Characteristics of the GWIM Interface (RS-232C Interface)
Categories
Specifications
Maximum transmission speed
230 kbit/s
Transmission code
V.28 driver
Number of transmission lines
14 EA
Indicated (pulse) nominal peak voltage
±15 V
Input Threshold
+1.2, -1.7 V
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The electrical characteristics of the HSSI interface are shown in the table below:
Table 3.12 Electrical Characteristics of the GWIM Interface (HSSI Interface)
Categories
Specifications
Maximum transmission speed
50 Mbit/s
Transmission code
HSSI driver
Number of transmission lines
50
Characteristic resistance
110
Ω
Indicated (pulse) nominal peak voltage ±1 V
Input Threshold
±0.15 V
