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3
Equinox ESP Multi-Interface Serial Hub Product Installation Guide
Figure 1 shows the front of the ESP-8 MI. Table 3 describes the LEDs and buttons.
Figure 1. ESP Front View
Item
Description
POWER
The POWER LED is lit when the ESP is connected to a
power source
ONLINE
The ONLINE LED is lit (not blinking) when the ESP self-test
and initialization procedures have completed successfully
LINK
The LINK LED is lit when the ESP recognizes that is has a
connection to the network
TRAFFIC The TRAFFIC LED blinks when there is network trafc
100MBps The 100MBps LED is lit when the ESP is connected to a
100 Mbps LAN
RESET
Pushing the RESET button reboots the ESP; for more
information, see Section 1.4
INIT
Pushing the INIT button restores the ESP to factory defaults;
for more information, see Section 1.4
Table 3. ESP LEDs and Buttons
Figure 2 shows the back of the ESP-8 MI and the port pin assignments.
Figure 2. ESP Back View and Port Pin Assignments
NOTE:
It is important that unused pins (labeled N/C) should not have wires
attached to them. Floating wires could cause unbalanced noise, shorten overall
distances and degrade performance.
1 2 3 4 5 6 7 8
0.5A
100-250 VAC, 50/60 Hz
Address
Serial #
LAN
10/100 BaseT
Ethernet Connector
MAC Address
and
Serial Number
Warning
- The power outlet should be installed
near the equipment and should be
easily accessible
.
Pin # RS-232
RS-422
RS-485
1
RTS
N/C
N/C
2
DTR
Tx-
N/C
3
N/C
Tx+
N/C
4
DCD
N/C
N/C
5
Rx
N/C
N/C
6
Tx
N/C
N/C
7
GND
GND
GND
8
N/C
Rx+
Rx/Tx+
9
N/C
Rx-
Rx/Tx-
10
CTS
N/C
N/C