Nortel Networks 8672ATMM manual LEDs

Page 42

42MDA and LED specifications

Table 4

OC-3c/STM-1 MDA specifications: 8672ATME and 8672ATMM modules (cont’d.)

Parameter

SMF description

MMF description

 

 

 

Distance

15 km

2 km

 

 

 

Input power

40 W

40 W

 

 

 

Thermal rating

138 BTU/hour maximum

138 BTU/hour maximum

 

 

 

The OC-12c/STM-4 MDA uses SONET STS-3c/SDH STM-1 1300 nm optical transceivers with duplex SC-type fiber-optic connectors and either single mode fiber (SMF) or multimode fiber (MMF) cabling. The following table describes the OC-12c/STM-4 MDA specifications.

Table 5

OC-12c/STM-4 MDA specifications: 8672ATME and 8672ATMM modules

Parameter

SMF description

MMF description

 

 

 

Physical media

9/125 ∝m

62.5/125 ∝m

 

 

 

Line code

NRZ

NRZ

 

 

 

Wavelength

1274 to 1356 nm

1274 to 1356 nm

 

 

 

Average transmit output power

-8 to -15 dBm

-14 to -20 dBm

 

 

 

Average receiver sensitivity

-8 to -28 dBm

-14 to -26 dBm

 

 

 

Distance

15 km

500 m

 

 

 

Input power

40 W

40 W

 

 

 

Thermal rating

138 BTU/hour maximum

138 BTU/hour maximum

 

 

 

The DS-3 MDA uses a 75 ohm coaxial cable. The following table describes the DS-3 MDA specifications.

Table 6

DS-3 MDA specifications: 8672ATME and 8672ATMM modules

Parameter

Line rate

Impedence

Maximum length

Specification

44 736 Mbit/s (20 ppm)

75 ohms

450 feet (135 m)

LEDs

The MDAs have two bicolor LEDs on each port: one marked as TX (transmit) and the other as RX (receive).The following table describes the MDA LED indications.

Nortel Ethernet Routing Switch 8600

Installation — Media Dependent Adapters for the 8672ATME and 8672ATMM Modules

NN46205-316 01.01 Standard

30 May 2008

Copyright © 2008 Nortel Networks

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Contents
NN46205-316 Legal Notice Contents Copyright 2008 Nortel Networks Regulatory Information and Safety Precautions International Regulatory Statements of ConformityFCC Statement USA only EN 300386 Statement CE Marking Statement Europe only EN 55 022 StatementsEN 55 024 Statement EC Declaration of ConformityVcci Statement Japan/Nippon only Bsmi Statement for 8010, 8006 and 8003 Chassis Taiwan onlyNational Safety Statements of Compliance CE Marking Statement Europe only EN 60 950 StatementNOM Statement 8010, 8006, and 8003 Chassis Mexico only National Safety Statements of Compliance Información NOM unicamente para MéxicoDenan Statement Japan/Nippon only Safety Messages ESDAttenzione ESD Avertissement Peligro Pericolo Regulatory Information and Safety Precautions Software license Nortel Networks Inc. software license agreementGeneral Nortel Networks Inc. software license agreement Software license Other changes FeaturesNew in this release Document changesNew in this release Introduction NavigationIntroduction MDA overview DS-3 MDA 8672ATME and 8672ATMM modules Estimated installation time Estimated time for installationPrerequisites Installing an MDA Task and estimated time cont’d Estimated timeInstalling an MDA End Replacing an MDA Connecting fiber cables Connecting fiber cables Connecting coaxial cables Push the coaxial cable onto the DS-3 connectorConnecting coaxial cables Copyright 2008 Nortel Networks Translation of Safety messages Class a product caution statementESD Cuidado ESD Translation of Safety messages Appendix MDA and LED specifications MDA specificationsLEDs MDA LED indications Label Color State Meaning MDA and LED specifications Page Nortel Ethernet Routing Switch
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