Stratus U918 E1, Installation Manual

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Cabling Specifications
Overview 1-5
2. All configured ports not in use should be terminated
with a loopback plug to avoid performance
degradation. Performance degradation does not
occur on an unconfigured port. Loopback plugs are
not supplied by Stratus. Stratus recommends the
following vendor as a supplier for loopback plugs:
Radisys Corporation (www.radisys.com). Telephone
in the USA at 800-950-0044 and in Europe at 31 36
546 1070. (Radisys Part Number 87H3588, ARTIC
1000/2000 1 Port RJ-48 Plug). Loopback plugs may
also be constructed using a standard RJ-48 plug with
a jumper from pin one to pin four and a second jumper
from pin two to pin five.
Figure 1-3. RJ-48C Connector