---
title: "Quasar Surface Connections"
slug: "quasar-surface-connections"
updated: 2024-11-01T08:03:16Z
published: 2024-11-01T08:03:16Z
canonical: "docs.telosalliance.com/quasar-surface-connections"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.telosalliance.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Quasar Surface Connections

### Network Connections

Connect an Ethernet cable to the Primary network port (A), labeled "PORT #0" on the console's rear I/O board. Connect the other end of the cable to the Gigabit port of your network switch.

The Secondary network port (B), labeled "PORT #1", can be used to create an optional redundant network connection. Doing so will require a special configuration of the switch ports as outlined in the Quasar Installation Guide.

![Figure 1 - Surface network connections](https://cdn.document360.io/57e3cd80-d493-453c-9672-ad1b043dadc3/Images/Documentation/connections.png)

Figure 1 - Surface network connections

### Mains Power Connections

Use the provided AC power cable(s) to connect the surface's PSU module (C) to a grounded power receptacle. If you have more than one power supply in your system, we suggest connecting them to different power sources for redundancy and highly recommend the use of a UPS (uninterruptable power supply) for each source.

![Figure 2- Surface power connection](https://cdn.document360.io/57e3cd80-d493-453c-9672-ad1b043dadc3/Images/Documentation/-K47XXPSV.png)

Figure 2- Surface power connection

> [!CAUTION]
> **Important - The Quasar Surface is grounded through the power cable and therefore relies upon proper grounding of the circuit providing power.** There is no separate chassis ground.