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6 F 3 B 0 3 6 2
1.4 Ethernet Port Specifications
Table 1.2 lists the Ethernet Port specifications. The general specifications of the Ethernet Port
conform to those of the T2N main unit.
Table 1.2 Functional Specifications
Item Specification
Module type PU235N/245N (Ethernet Port is built-in)
specifications
10BASE-T
Media access method CSMA/CD
Modulation Baseband
Transmission topology Bus type
Transmission speed 10 Mbps
ports
200 m (Case of single HUB)
1700 m (Case of four HUB)
Maximum segment length 100 m (Between port and HUB)
Maximum number of ports single port per segment
Minimum port separation None
Connector 8-pin modular connector (RJ-45)
Connecting cable Unshield twisted pair
Transmission services
1. T series computer link protocol (slave port)
2. T series/PC link protocol
3. Socket interface (8 sockets)
4. PC gateway function (currently unsupported)
RAS functions
1. Self diagnostics at power on
ROM, RAM, LAN controller, EEPROM,
T2N interface buffer memory, MAC address
2. Test functions accessible from user programs
• Remote port verification request
• Remote port loopback test (Between T2N and T2N/T3H systems)
3. Data provided by RAS data readout
• LAN controller (network) information
4. Time/date setup function
5. Station status in the T2N special registers (SW)
6. Socket information in the T2N interface buffer
Consumed current [A] 0.6A (5V DC)
External dimensions [mm] 99.0 (W) ×122 (H)
Weight [grams] 200
Mounting method Built-in T2N
Number of modules mountable 1 modules per T2N
Access method SEND/RECV instructions (module control and transmission functions)
* Segment: A network unit formed from a single transmission medium (twisted pair cable)
