Introduction - Equinox Systems ESP-2 Product Installation Manual

Introduction

The Equinox Ethernet Serial Provider 2-port Multi-Interface (ESP-2 MI) Serial Hub contains an
autosensing 10/100 Ethernet connection and two serial multi-interface ports.
Hardware
Figure 1 shows the front of the ESP-2 MI.
The lower left portion of the front contains two electrical connectors. You may use one of these,
but not both. For more information, see Electrical.
The connector marked LAN is used with a 10BaseT or 100BaseT LAN interface cable. A CAT
5 cable is required for 100BaseT operation.
The two connectors marked PORTS are standard DB-9 DTE ports in RS-232 mode.
Table 1 describes the LEDs and buttons on the front panel.
Item Description
POWER The POWER LED is lit when the ESP is connected to a power source
ON LINE The ON LINE LED is lit (not blinking) when the ESP self-test and initialization
procedures have completed successfully
10 The 10 LED is lit when the ESP is connected to a 10 Mbps LAN, and the 100
LED blinks when traffi c is present
100 The 100 LED is lit when the ESP is connected to a 100 Mbps LAN, and the 10
LED blinks when traffi c is present
RESET Pushing the RESET button reboots the ESP
INIT Pushing the INIT button restores the ESP to factory defaults
For information about using the RESET and INIT buttons, see Reinitializing and Resetting on
page 8.
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Equinox ESP-2 MI Serial Hub Product Installation Guide
Figure 1. ESP-2 MI Front View
Table 1. LEDs and Buttons