III. Hardware Description
The MicroGate™ is meant to be connected between a local network/internet (using the LAN Port) and the equipment(s) (using any of the serial interfaces). The MicroGate™ also includes 4 LED indicators to simplify installation and network troubleshooting. The following figure shows the components/connectors of the gateway:
J1
J2
1
E1
E2
J3 2
DS1 DS2 DS3 DS4
| J10 |
J11 | J13 |
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| MODEM |
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| 2 | 1 |
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| (OPTIONAL) |
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J12 |
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| J14 |
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| J9 |
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| 2 | 1 |
BATTERY |
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| J8 |
(OPTIONAL) |
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| + |
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J4 |
| J5 | 2 J6 |
| J7 | 2 | 1 |
2 | 2 |
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| 1 | 1 | 1 | 1 |
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| Figure 2 | ||||
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| Table 1 - Component List | ||||
| Designator |
| Item |
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| Description | ||
| J1 |
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| LAN/Ethernet Port |
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| 10 MBit Ethernet Port (RJ45). Connects |
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| gateway to the Internet, LAN, or WAN. |
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| Modem Port (RJ11). Connects gateway | ||
| J2 |
| Modem Port (Optional) |
| to the Internet or an external PC using a | |||
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| telephone line (Optional) | ||
| J3 |
| Power Connector |
| Supplies +5V power to board | |||
| J4 |
| RS232 Serial Ports #1 |
| RS232 Levels for Serial Port #1 | |||
| J5 |
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| 3.3V TTL Serial Port #1 |
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| 3.3V TTL Levels for Serial Port #1 |
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| J6 |
| 3.3V TTL Serial Port #2 |
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| 3.3V TTL Levels for Serial Port #2 | ||
| J7 | RS485 Serial Port #1 and #2 |
| RS485 Levels for Serial Port #1 and #2 | ||||
| J8 |
| Do Not Connect |
| Do not connect. Used for future | |||
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| expansion | |||||
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| J9 |
| RS232 Serial Ports #2 |
| RS232 Levels for Serial Port #2 | |||
| J10 |
| Do Not Connect |
| Do not connect. Used for factory | |||
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| programming | |||||
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| Modem |
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| Used to connect optional Modem Module |
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| Diagnostic LEDs |
| Used for installation and troubleshooting. | ||||
MicroGate™ User Manual | 7 |