ADTRAN 4200659L2 User Manual
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Chapter 2 Installation and Operation

UNPACK, INSPECT, POWER UP

Receiving Inspection

Carefully inspect the MX2800 STS-1for any damage that might have occurred in shipment. If damage is suspected, file a claim immediately with the carrier and contactADTRAN Technical Support (see the front section of this manual for phone numbers). Keep the original shipping container to use for future shipment or verification of damage during shipment.

ADTRAN Shipments Include

The following items are included in shipments of the MX2800

STS-1:

MX2800 STS-1unit

DC or AC power supply (two power supplies come with the Redundant versions)

Controller card (two cards come with the Redundant versions)

8-pinto6-pinmodular cable (Modem version only)

8-pinto8-pinmodular cable

8-pinmodular toDB-9female connector

Two 4-positionterminal lug connectors

3-positionterminal lug connector

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Chapter 2. Installation and Operation

Six-footAC power cord (AC Versions only)

Mounting ears and screws for 19-inchor23-inchrack installation

User Manual or CD containing the User Manual

The ADTRAN MX2800 STS-1MIB is available atwww.adtran.com.

Power Up

The AC version of the MX2800 STS-1is provided with asix-footpower cord, terminated by athree-prongplug which connects to a grounded 120 VAC power receptacle.

Power to the AC version of the MX2800 STS-1must be provided from a grounded 120 VAC, 60 Hz receptacle.

The DC version of the MX2800 STS-1is provided with two4-positionmodular terminal lug connectors. These connectors make it easier to perform initial wiring and to connect and disconnect DC power when replacing rackmount units.

For more detailed information on power connections, refer to

Chapter 8, Power Loss Recovery.

Once the modular connector is wired, push it firmly into one of the rear panel POWER connectors.Figure 2-1 andTable 2-1 on page

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2-3 illustrate the DC power connector and give definitions for the four connector symbols.

The chassis should be connected to an earth ground using the ground stud located between the AC and DC power sources on the rear panel.

N E T

 

PWR

PWR

FAIL

FAIL

PWR

FAIL

Figure 2-1. DC Power Connector

Table 2-1.DC Connector Symbol Definitions

Symbol

Definition

Battery backup connection. If AC fails, a trap is sent to PWR FAIL alert user when connected to the 4175043L2 battery

backup system or equivalent

-Negative side of DC power source (usually -48V)

RET

Positive side of DC power source (usually ground)

Frame Ground

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Chapter 2. Installation and Operation

The following UL requirements must be met during installation of the MX2800 STS-1DC version:

1.Disconnect all power sources prior to servicing (unit may use multiple power sources).

2.Input: Minimum 48 VDC, 0.8 A

Minimum 120 VAC, 0.32 A

3.Connect to a reliably grounded -48VDC source which is electrically isolated from the AC source.

4.The branch circuit overcurrent protection shall be a fuse or circuit breaker rated minimum 48 VDC, maximum 20 A.

5.A readily accessible disconnect device that is suitably approved and rated, shall be incorporated in the field wiring.

6.The chassis should be connected to an earth ground using the ground stud located between the AC and DC power sources on the rear panel.

7.The unit shall be installed in accordance with the requirements of NEC NFPA 70.

8.The unit shall be installed in accordance with Articles 400 and 364.8 of the National Electrical Code NFPA 70 when installed outside of a Restricted Access Location (i.e. Central Office, behind a locked door, or service personnel area only).

9.Care should be taken not to upset the stability of the equipment rack after installation is complete.

To meet the UL requirements during installation, use copper conductors only.

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