Comtech EF Data CDD-880 Especificaciones descargar pdf (Pagina 42)

CDD-880 Multi Receiver Router Revision 1

Rear Panel Connections MN-CDD880

3–6

3.2.1 ‘L-BAND Tx’ IF Connector



THEREMAYBEDCVOLTAGESPRESENTONTHETYPE‘N’TXIFCONNECTOR,UPTOA

MAXIMUM OF 48 VOLTS. THE LED LABELED ‘DC!’ WILL LIGHT TO INDICATE THIS

CONDITION.

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The return loss on this port is typically better than 17 dB. If connection to a 75



systemisdesired,anoptionalType‘N’toType‘F’adapterisavailable.Whilethere

willbeareductioninreturnlosswhendoingthis,theeffectinmostsystemswillbe 

negligible.

3.2.2 ‘ETHERNET | TRAFFIC | GE’ and ‘ETHERNET |

TRAFFIC/MANAGEMENT | GE’ Gigabit Ethernet Connectors

Connector Type Name Direction

RJ-45 female modular jack

ETHERNET | TRAFFIC | GE

In/Out

ETHERNET | TRAFFIC/MANAGEMENT | GE

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• The ‘ETHERNET | TRAFFIC | GE’ port is dedicated to Ethernet terrestrial data

traffic. The ‘ETHERNET | TRAFFIC/MANAGEMENT | GE’ port is used for both

Ethernet terrestrial data traffic and remote managementand control (M&C) of

CDD‐880functionsviaSNMP/HTTP.

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• Typicalforbothports:

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o Portsoperateat10

/100/1000Mbps,halfandfullduplex,auto‐

negotiating.

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o ThetypicalmaximumEthernetpacketsizeis1522bytes(including

EthernetheadersandCRC).

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o TwooperationalLEDindicatorsareprovided: 

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 LNK–CommsLinkdetected(glowsamber)

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 ACT–Activitydetected(flashesgreen)

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Connector Type Name Description Direction

50Ω Type ‘N’ Female L-BAND Rx Rx IF Signal, L-Band In

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Comtech EF Data CDD-880 Especificaciones Pagina 42

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