Wiring the DC-Input Power Source

Appendix C Connecting to DC Power

Complete these steps:

Step 1 Remove all paint or oxidation from the rack at the point of the grounding connection.

Step 2 Use a 3/16-inch flat-head screwdriver to loosen the grounding screw on the rack.

Step 3 Connect the wire to a ring lug (large enough for the rack screw to fit through).

Step 4 Use a 3/16-inch flat-head screwdriver and the screw to attach the ring lug to the rack.

Step 5 Tighten the grounding screw on the rack over the ring lug.

Repeat these steps for each switch being installed.

Before you wire the DC-input power source, review the warnings in this section and this information:

If the switch software detects that the circuit boards are not receiving power from an internal power supply, the software sends a message like this to the console:

00:06:54: %POWER_SUPPLIES-3-PWR_FAIL: Power supply 2 is not functioning

00:06:54: %PLATFORM_ENV-1-DUAL_PWR: Faulty internal power supply 2 detected

This message means that an internal power supply is not providing power. To receive this alert if power fails on the ME 3400G-12CS-DC switch with two power feeds, we recommend that you connect one feed to the left DC power terminal block and the other to the right DC power terminal block. (See the example in Figure C-6.)

Figure C-6 Connecting Separate Feeds to Each of the DC Power Terminal Blocks

									SYSTEM
				B			+		PS 1
			-36	B			+	+	PS 2
			-36		–	-72 V	A	+
			CURRENT		–	-72 V	A	B
			CURRENT		2 – 1A		INPUT -36	B
					2 – 1A		INPUT -36	–	-72 V
	1						CURRENT
	1							2 – 1A		CONSOLE
	2									CONSOLE	191863
											191863
1	Primary power feed	2	Secondary (redundant) power feed

Cisco ME 3400 Ethernet Access Switch Hardware Installation Guide

	C-6	OL-7677-04

ME 3400 specifications

Cisco Systems ME 3400 Series is a robust family of Ethernet access switches designed specifically for service provider environments. These switches are engineered to deliver excellent performance, reliability, and flexibility, making them ideal for deploying Layer 2 and Layer 3 services to residential and business customers.

One of the prominent features of the ME 3400 series is its support for advanced Ethernet technologies. It provides extensive support for both traditional and modern Ethernet services, including Carrier Ethernet. With features such as Ethernet Operations, Administration, and Maintenance (EOAM), the ME 3400 aids in managing network performance and troubleshooting issues effectively. This capability ensures that service providers can deliver high-quality services and maintain optimal network health.

The ME 3400 series includes various models that support a range of port configurations, enabling scalability and adaptability to different network needs. This includes support for both Fast Ethernet and Gigabit Ethernet interfaces. The switches can accommodate multiple speed configurations, making them versatile for diverse deployment scenarios, from small businesses to large enterprise networks.

Another key characteristic of the ME 3400 is its integrated support for resilient Ethernet technologies, such as EtherChannel, Spanning Tree Protocol (STP), and Rapid Spanning Tree Protocol (RSTP). These technologies enhance redundancy and improve network reliability, crucial for service providers who require minimal downtime and high service availability.

Security is a top priority for service providers, and the ME 3400 series addresses this with extensive security features. It supports VLANs for traffic segmentation, access control lists (ACLs) for traffic filtering, and DHCP snooping to prevent unauthorized access to the network. These security measures ensure that both consumer and enterprise traffic remains isolated and secure.

Additionally, the ME 3400 series supports IPv4 and IPv6 routing, offering flexibility for service providers to cater to a broad customer base. The ability to manage both protocols ensures that networks can evolve seamlessly as internet traffic transitions to IPv6.

With energy efficiency increasingly becoming a concern, Cisco has integrated power-saving features into the ME 3400 series. These switches support Energy Efficient Ethernet (EEE) technology, which reduces power consumption during periods of low traffic, helping service providers to reduce operational costs.

In summary, the Cisco ME 3400 series is a versatile platform rich in features that streamline service delivery while ensuring high performance, security, and energy efficiency. It is an ideal choice for service providers looking to enhance their Ethernet services and meet evolving customer demands.

Cisco Systems ME 3400 manual Wiring the DC-Input Power Source

Models: ME 3400