Chapter10Cables
Table10-12Synchronous/AsynchronousSerialCableTypes
Synchronous/AsynchronousSerial
Cable
Device-EndConnectorNetwork-EndConnector
V.35/V.24DTEcable(RA-DTE-DB50-
DB25)
DB50DB25maleconnector
V.35/V.24DCEcable(RA-DCE-
DB50-DB25)
DB50DB25femaleconnector
V.35/V.24DTEcable(RA-DTE-DB50-
34pole)
DB5034polemaleconnector
V.35/V.24DCEcable(RA-DCE-
DB50-34pole)
DB5034polefemaleconnector
10.2.7E1TrunkCable
Overview
TheE1trunkcablesthattheRAC-PIU-16CE1andRAC-PIU-16CE1-CESboardsofthe
ZXR10ZSRV2seriesroutersusecanbedividedintothefollowingtypes:
l75Ωunbalancedcoaxialcable
IftheinterfaceresistanceoftheRAC-PIU-16CE1orRAC-PIU-16CE1-CESboardis
conguredto75Ω,the75ΩunbalancedcoaxialcableisusedastheE1trunkcable.
l120Ωbalancedtwisted-paircable
IftheinterfaceresistanceoftheRAC-PIU-16CE1orRAC-PIU-16CE1-CESboardis
conguredto120Ω,the120Ωbalancedtwisted-paircableisusedastheE1trunk
cable.
FortheE1trunkcableconnections,refertoTable10-13.
Table10-13E1TrunkCableConnections
Synchronous/Asyn-
chronousSerialCable
Device-EndConnectorNetwork-EndConnector
75Ωunbalancedcoaxial
cable
DB50Sixteencoaxialcablesintwogroups,
connectedtotheconnectorsasrequired
120Ωbalanced
twisted-paircable
DB50Sixteentwisted-paircablesintwogroups,
connectedtotheconnectorsasrequired
75ΩUnbalancedCoaxialCable
Foranoverviewofthe75Ωunbalancedcoaxialcable,seeFigure10-14.
10-13
SJ-20150204153047-004|2015-03-30(R1.0)ZTEProprietaryandCondential