Specifications

OfficeServ 7200 General Description Guide CHAPTER 3. OfficeServ 7200 Specifications
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Table 3.12 Electrical Characteristics of the LAN Interface (10Base-T)
Category Specification
Transmission speed 10 Mbits/s ±50 ppm
Transmission code Manchester coding
- When the transmission data bit is ‘0’, the higher level of the middle
bit is inversed into the lower level. When the transmission data bit
is ‘1’, the lower level of the middle bit is inversed into the higher
level.
Access control method CSMA/CD
Transmission media UTP CAT3, CAT4, CAT5, STP
Number of UTP pairs 2 pairs
Characteristic resistance 100 Ω
Cable thickness Diameter : 0.51 mm (#24 AWG), External diameter : 5 mm
The electrical characteristics of the LAN 100Base-Tx interface, which complies
with the IEEE802.3u standard, are shown in Table 3.13.
Table 3.13 Electrical Characteristics of the LAN Interface (100Base-Tx)
Category Specification
Transmission speed 100 Mbits/s ±50 ppm
Transmission code 4B/5B+MLT-3(4bit/5bit) converts 4-bit data to 5-bit data and encodes the
data on the physical layer. Multi Level Transmission-3(MLT-3) encodes
transmission data into 3 levels (high, middle and low)
Access control type CSMA/CD
Transmission media UTP CAT5, STP
Number of UTP pairs Two pairs
Characteristic resistance 100 Ω
Cable thickness Diameter : 0.51 mm (#24 AWG), External diameter : 6 mm