Samsung OfficeServ 7400 General Description Manual page 75

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)
Maximum transmission speed
Transmission code
Number of transmission lines
Indicated (pulse) nominal peak voltage
Input Threshold
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
Maximum transmission speed
Transmission code
Number of transmission lines
Characteristic resistance
Indicated (pulse) nominal peak voltage
Input Threshold
© Samsung Business Communications
Categories Specifications
230 kbit/s
V.28 driver
14 EA
±15 V
+1.2, -1.7 V
Specifications
50 Mbit/s
HSSI driver
50
110 Ω
±1 V
±0.15 V
OfficeServ 7400 General Description
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