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.
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| Table 1.2 Functional Specifications | |||
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Item |
| Specification | |||
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Module type |
| PU235N/245N (Ethernet Port is | |||
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Transmission |
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specifications |
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| Media access method |
| CSMA/CD | ||
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| Modulation |
| Baseband | ||
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| Transmission topology |
| Bus type | ||
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| Transmission speed |
| 10 Mbps | ||
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| Maximum distance between |
| 200 m (Case of single HUB) | ||
| ports |
| 1700 m (Case of four HUB) | ||
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| Maximum segment length |
| 100 m (Between port and HUB) | ||
| Maximum number of ports |
| single port per segment | ||
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| Minimum port separation |
| None |
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| Connector |
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| Connecting cable |
| Unshield twisted pair | ||
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Transmission services |
| 1. | T series computer link protocol (slave port) | ||
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| 2. | T series/PC link protocol | |
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| 3. | Socket interface (8 sockets) | |
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| 4. | PC gateway function (currently unsupported) | |
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RAS functions |
| 1. | Self diagnostics at power on | ||
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| ROM, RAM, LAN controller, EEPROM, | |
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| T2N interface buffer memory, MAC address | |
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| 2. | Test functions accessible from user programs | |
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| • Remote port verification request | |
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| • Remote port loopback test (Between T2N and T2N/T3H systems) | |
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| 3. | Data provided by RAS data readout | |
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| • | Event trace |
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| • LAN controller (network) information | |
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| • | Protocol state |
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| 4. | Time/date setup function | |
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| 5. | Station status in the T2N special registers (SW) | |
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| 6. | Socket information in the T2N interface buffer | |
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Consumed current [A] |
| 0.6A (5V DC) | |||
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External dimensions [mm] |
| 99.0 (W) ×122 (H) | |||
Weight [grams] |
| 200 |
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Mounting method |
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Number of modules mountable |
| 1 modules per T2N | |||
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Access method |
| SEND/RECV instructions (module control and transmission functions) | |||
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*Segment: A network unit formed from a single transmission medium (twisted pair cable)
⎯ 21 ⎯
