S321-IP Network Controller Hardware Installation
24-10239-480 Rev. F
20
MAINTENANCE
This section provides maintenance instructions, operational testing procedures,
and information on replacement parts.
LEDs
The S321-IP controller has 6 LEDs:
• Power (Power): On during normal operation.
• Status (STATUS): Blinks every second when unit is operational.
• Transmit (XMIT) and Receive (RCV): Indicate internal controller
activity
• Link (LINK): On when there is valid physical network connection
• Active (ACT): On during active network communication to and from
the controller.
LINK and ACT are located near the RJ45 connector.
Routine Maintenance
Perform the following routine maintenance on the S321-IP:
1. Periodically check the continuity of the grounding circuit.
2. Perform operational testing monthly (see Testing Procedure on
page 21).
3. Change the battery every five years. Replace with Panasonic part
number CR2025 or equivalent.
Mounting Specifications DIN rail
Flat surface
Dimensions 5.7 H x 5.9 W x 2.2 D inches
(14.4 cm x 15.0 cm x 5.5 cm)
Ambient Temperature 32º to 122º F (0º to 50ºC)
Humidity 10 to 85% non-condensing
Ventilation Cabinets require free movement of air over all exposed
surfaces
Item Specification
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