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Marconi OMS 870 R3.0 Quick Reference Guide
1/1531-CRA 119 0513/30 Uen A 2007-11-15
1-20
1.8.3
VT-100 cable
The cable connecting the OMS 870 to a workstation is delivered
with the OMS 870 Base Unit.
This cable has RJ-45 connector in one end and a 9 pins DSUB
connector in the other end. The length of the cable is 2m.
1.8.4
LAN cables
Use shielded cables for all LAN interfaces.
N O T E !
Ordinary UTP cable can be used in Management port.
1.8.5
E1 cables
The E1 interface may be supplied in two different variants. Both 75
and 120 Ohm interfaces can be supplied dependent of HW. In case
of 120 Ohm (RJ45) interfaces it is preferable that the E1 interface
uses standard ISDN cabling.
1.8.6
E3/T3
The Electrical interfaces for the OMS 870 E3/T3 module is based on
the 1.0/2.3 coax connector.
Different connectors can be obtained using patch with a 1.0/2.3 and
perfer connector (BNC)
1.8.7
Management cable
UTP Cable
1.8.8
Synchronization cable
Standard ISDN cabling