User guide
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www.neutrik.com
Half Normalled Bottom Half Normalled Top Full Normalled Parallel Isolated
The standard version of the NPPA Panel is delivered bottom row
half normalled for each jack pair by default. Further patch ver-
sions are available with fully loaded jack-pairs as:
•
Full Normalled
•
Half Normalled
•
Isolated
•
Parallel
For individual normalling single pre-configured jack-pairs
are offered.
NPPA-TT-IDC is equipped with jumper blocks for individual
switching configurations of each jack channel.
Note: Take care when handling digital signals. Do not use
parallel configuration and avoid other parallel paths when
using half normalled configurations. Parallel paths may lead
to mismatching.
The flexible grounding system provides the following versions:
•
Individual: Each channel is individually grounded by its corresponding cable shield (default configuration).
•
Group: Selected channel grounds are connected via the ground bus on the PCB using solder bridges and track cuts to form a
group that is connected to one common cable shield.
•
Central: All channel grounds (individual top and bottom row) are connected via the ground bus on the PCB using solder
bridges and wired with only one cable shield.
•
Chassis-Common: The same as central grounding but with the addition of the common ground bus (top and / or bottom
rows) connected to the patch panel chassis by means of jumpers
TT patch panels offer different choices of wiring:
•
Spring loaded push terminals
•
56 pin Elco/Edac male connectors
•
90 pin Elco/Edac connectors
•
50 pin D-SUB connectors
•
25 pin D-SUB connectors
•
IDC-Krone terminals
•
Solder lugs
The spring loaded terminal blocks enable fast and easy wir-
ing. No soldering and screwing necessary. Simply insert the
stripped wire after pressing down the white key. Terminals
accommodate stranded wires up to AWG 20 (0.5 mm
2
) and
solid wires up to AWG 18 (0.75 mm
2
). Push terminals are
gas tight connections.
All NPPA patch panels are fitted with high quality, long life
NJ3TTA gold plated double contact jacks (2x48), featuring best
contact integrity. The unit, robustly housed in a black coated
steel shell, is finished off with a built in cable bar and two large
channel identification strips for perfect management of the
system. The NPPA patch panels are an innovative and compact
patching system (just 1U high) for 19" rack mounting.
For Pin assignment of ELCO / EDAC and D-SUB connectors please see drawings on www.neutrik.com
NPPA Series NPPA Series
Design Criteria
Configuration
Grounding
Wiring Terminations