Product specifications

CDD-880 Multi Receiver Router Revision 1
Rear Panel Connections MN-CDD880
3–6
3.2.1 ‘L-BAND Tx’ IF Connector
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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 Ω 
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