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:
J7
J3
1
E1
E2
J2
J12
J11
J1
++
J6
J14
J8
J10
1
J13
J9
1
J5
J4
MODEM
(OPTIONAL)
DS1 DS2 DS3 DS4
2
1
2
1
2
1
2
2
12
12
BATTERY
(OPTIONAL)
Figure 2
Table 1 - Component List
Designator Item Description
J1 LAN/Ethernet Port 10 MBit Ethernet Port (RJ45). Connects
gateway to the Internet, LAN, or WAN.
J2 Modem Port (Optional)
Modem Port (RJ11). Connects gateway
to the Internet or an external PC using a
telephone line (Optional)
J3 Power Connector Supplies +5V power to board
J4 RS232 Serial Ports #1 RS232 Levels for Serial Port #1
J5 3.3V TTL Serial Port #1 3.3V TTL Levels for Serial Port #1
J6 3.3V TTL Serial Port #2 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
expansion
J9 RS232 Serial Ports #2 RS232 Levels for Serial Port #2
J10 Do Not Connect Do not connect. Used for factory
programming
J11-J14 Modem Used to connect optional Modem Module
DS1-DS4 Diagnostic LEDs Used for installation and troubleshooting.
MicroGate™ User Manual 7