NPPA-TT-S - Uncategorized Neutrik - Free user manual and instructions

Product Type	TT (Tiny Telephone) Patchbay Connector
Color	Silver / Black
Material	Nickel-plated brass contacts, metal housing
Dimensions (approx.)	0.5 x 0.5 x 1.5 inches (12.7 x 12.7 x 38.1 mm)
Weight (approx.)	0.02 lbs (9 g)
Connection Type	TT (4.4 mm) male / female
Number of Contacts	3 (Tip, Ring, Sleeve) / 2 (tip, sleeve) depending on variant
Compatibility	Standard TT patchbays and audio equipment
Application	Professional audio, broadcast, recording studios
Features	Secure locking mechanism (optional), high contact reliability
Maintenance	Clean contacts with a dry cloth; avoid moisture
Safety	Not for mains power use; low-voltage audio signal only
Spare Parts	Replacement connectors available from Neutrik
Reparability	Field-repairable with basic soldering skills
Warranty	Standard Neutrik warranty (usually 1 year)

Frequently Asked Questions - NPPA-TT-S Neutrik

What is the NPPA-TT-S used for?

The NPPA-TT-S is a TT (Tiny Telephone) connector designed for professional audio applications such as broadcast and recording studios. It is commonly used in patchbays for routing audio signals.

Is the NPPA-TT-S balanced or unbalanced?

The NPPA-TT-S typically supports balanced audio connections with three contacts (Tip, Ring, Sleeve) for mono balanced signals. Some variants may be unbalanced with two contacts.

What is the pinout of the NPPA-TT-S?

For balanced connections: Tip = Hot (+), Ring = Cold (-), Sleeve = Ground. For unbalanced: Tip = Signal, Sleeve = Ground.

Can I use the NPPA-TT-S with standard 1/4" jacks?

No, the NPPA-TT-S is a TT connector (4.4mm diameter), which is smaller than a 1/4" (6.35mm) jack. They are not directly compatible without adapters.

How do I clean the NPPA-TT-S connector?

Use a dry, lint-free cloth to gently clean the contacts. Avoid liquids and abrasive cleaners. If oxidation is present, a contact cleaner specifically for audio connectors may be used sparingly.

Does the NPPA-TT-S have a locking mechanism?

Some versions of the NPPA-TT-S include a locking feature (e.g., a threaded collar or latch). Check your specific model to confirm. The standard version does not lock.

What is the lifespan of the NPPA-TT-S?

With proper handling, the connector can last for thousands of insertions. The contacts are rated for high durability, but excessive force may reduce lifespan.

Is the NPPA-TT-S compatible with Neutrik patchbays?

Yes, the NPPA-TT-S is designed to work seamlessly with Neutrik TT patchbays and other industry-standard TT patchbays.

Can I solder the NPPA-TT-S myself?

Yes, the NPPA-TT-S is a field-repairable connector. It can be soldered to cables using standard soldering techniques. Ensure the correct pinout is followed.

Where can I find the user manual for the NPPA-TT-S?

The user manual is available for free download on notice-facile.com. It contains detailed specifications, assembly instructions, and safety information.

USER MANUAL NPPA-TT-S Neutrik

NPPA-TT-3 Grounding Upper Base Channel Ground Common Signal Ground Induction to Ground Induction to Common Ground Common Signal Ground Bottom Base Module Attachment Top Use Key NPPA-TT-3

NEUTRIK AG Liechtenstein	NEUTRIK Zürich AG Switzerland	NEUTRIK (UK) Ltd. Great Britain	NEUTRIK USA INC. USA	NEUTRIK Tokyo Ltd. Japan	NEUTRIK France France	NEUTRIK Vertriebs GmbH Germany/Netherlands/Austria
Tel.: [phone]	Tel.: [phone]	Tel.: [phone]	Tel.: [phone]	Tel.: [phone]	Tel.: [phone]	Tel.: [phone]
Fax: [phone]	Fax: [phone]	Fax: [phone]	Fax: [phone]	Fax: [phone]	Fax: [phone]	Fax: [phone]
www.neutrik.com

Index

1. Electrical configuration....3
2. Replacement of Jack Pairs....4
3. Reconfiguration by hand....5
4. Grounding variations .....7
5. Wiring 8
6. Cable retention to the unit....9
7. Channel identification ....10
8. Technical data .... 11
9. Wiring Diagram....12
10. Ordering Information....13

Dimensional Drawings "Easy Patch" NPPA-TT

Front panel Cable retention bar Top cover

1. Electrical configuration

The Neutrik "Easy Patch" Patch Panel is fitted with high quality, long life NJ3TTA gold plated double contact jacks (2 x 48). This Patch Panel is an innovative and compact patching system (just 1 U high) for 19" rack mounting. Robustly housed in black coated steel shell and featuring precision aluminum fittings it is built to last. The Neutrik "Easy Patch" is suitable for analog and digital audio signals.

The "Easy Patch" is available in five normalling configurations (fully loaded).

• half normalled bottom row
• half normalled top row
- full normalled
- parallel
- isolated

Half Normalled Bottom Half Normalled Top Full Normalled Parallel Isolated

Configuration Chart

Furthermore individual jack pairs can be changed to combine various normalings within one panel quickly and without fuss. This is even possible while the panel is "on air". For this we offer pre-configured jack pairs (NJ3TTA-4- ^* ).

In case of emergency the normalling for individual jack pairs can be changed by the use of normalling bars. Normalling bars to change the normalling of 4 channels are included.

2. Replacement of Jack Pairs

Each individual jack pair can be exchanged quickly and without fuss even while the panel is "on air". For replacement simply remove the easy accessible jack pairs.

Stacked electronic components with gold contacts and black casing (no visible text or symbols)

Module consisting of 2 Jack Pairs

Close-up of a hand using a tool to adjust or install a device panel with circular ports (no visible text or symbols)

Remove Front Panel by unscrewing the 3 black cross-recessed screws (M3x8 Taptite), remove the two side-stops.

Close-up of a hand pressing down on a black plastic electronic component with circular holes (no visible text or symbols)

Push out the channel identification strips.

Close-up of a hand inserting a flexible plastic component into an electronic circuit board (no visible text or symbols)

Pull one module out of the casing using the supplied disassembling pliers

Input E

Alternatively the jack pairs may be pulled out by the use of two Bantam plugs (diagonally plugged in).

Close-up of a black electrical contactor component with four circular ports and a red arrow pointing to a section (no visible text or symbols)

The two jack pairs have to be re-assembled in the right way so that the thicker body marked "left" is put on the left side with the mark outside and readable.

To complete, push the new jack pairs into the casing again with the mark on the left side (If more than one module are removed always assemble from the center to the right or left side and be careful that the keys on the left side of the jack pairs find their guiding slots. If all jack pairs are removed start at the casing support in the center and assemble to the right and left side). Slide in again the channel identification strips (best from the outside inwards) and fix the front panel with the black cross-recessed screws. Don't forget to insert the side-stops before fixing the screws (see page 10).

3. Reconfiguration by hand

Please note, in case of emergency the normalling can by changed by hand by the use of normalling bars. For easy and safe modification work we recommend our preconfigured jack pairs (NJ3TTA-4- ^* ).

Close-up of hands holding a small electronic component with visible pins and traces (no text or symbols)

The two jack pairs are separated by spreading apart the rear parts to unlock the fixing mechanism till it is possible...

Close-up of a hand holding a black plastic electronic component with wires (no visible text or symbols)

...to slide the jack pairs against each other in axial direction.

Close-up of hands holding a small electronic component with metallic leads (no visible text or symbols)

Then remove the cover with a tiny grip at the side and carefully

Close-up of a hand using a screwdriver to disassemble a black plastic component with gold pins (no text or symbols visible)

Pull out the configuration bars you need to exchange (preferably using a small screw-driver).

Close-up of a finger pressing down on a black plastic component with gold pins (no text or symbols visible)

Insert new bars carefully by pressing them in parallel at both ends.

Attention: To ensure best contact conditions never reuse the configuration bars once being put in place! Always take new ones! Keep the contacts and switches in place with the thumb while manipulating the normalling contacts.

Close-up of hands holding a black electronic component with gold pins (no visible text or symbols)

Finally snap on the cover (Insert it first at one side and then snap slightly into the opposite groove with a light pressure on the nose).

4. Grounding variations

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.

Grounding Variations Common Signal Ground Top Row Soldering Pads to connect Chassis Ground individual Grounds to Common Ground Common Signal Ground Bottom Row Jumper Setting for Group, Central & Chassis Common Common Signal Grounds of Top and Bottom Row separated Common Signal Ground Bottom Row connected to Chassis Ground Common Signal Ground Top Row connected to Chassis Ground Common Signal Ground Top and Bottom Row connected to Chassis Ground Common Signal Ground of Top and Bottom Row connected together and separated from Chassis Ground ... Needed Jumper Position for certain Grounding ... Position has no Influence to the Grounding

Arrangement solder tags edge of PCB Position of Pin-Header on PCB Grounding Variations

NOTE: In standard configuration there is no ground connection between top and bottom row unless it is provided by an inserted patch cable. If this is required, as in the case of phantom powered microphone lines, either make an internal connection by individually wiring the corresponding upper and lower 'S' terminals, or if the latter is critical with respect to possible ground loops make the connection via patch cable instead of using the normaling feature.

5. Wiring

For access to the terminals remove the top- and bottom-cover with three cross-recessed screws (M2.5x8) each fixed in a triangle.

Two electronic circuit boards with internal components, one showing a black panel and the other displaying traces (no visible text or symbols)

Rear front for wiring

Standard solder lugs enable a reliable and long-lasting wiring.

Termination with solder lugs Solder bridges

33 32 31 30 29 28 27 26 25 Solder tags

6. Cable retention to the unit

The built in cable retention bar is at the back of the casing. Simply attach the cables with cable ties to the bar as shown in the photo.

For large and heavy bundles there is an additional strain relief bar NPPA-S available. It is attached to the casing with four screws.

Grounding Common Signal Ground Upper Row Chassis Ground Individual

Cable Retention Bar

7. Channel identification

The front panel is equipped with channel identification strips located in the center of the channels and marked with the channel numbers 1-24 and 25-48 respectively.

Close-up of a black network switch module with multiple circular connectors and labeled pins (no readable text or symbols beyond component labels)

Channel identification strips Labeling strips

For the perfect management of the system and for individual identification according to customer's needs there are two large and separate labeling strips, one for the bottom and one for the top row.

To write on the paper you have to unscrew one of the outer fixing screws of the front panel. Then pull out the side-stop, the transparent foil and the paper strip itself. After marking is done assemble the parts in reversed sequence.

Hounding Inverter Signal Ground NPPA-TT-5 Closed Ground Inverter Input to Common Ground Continuous Signal Ground Bottom Input Modular Configuration Pin Number NPPA-TT-5 MULIFLOWER

Remove labeling strip Side Stop

NOTE: For easy and perfect marking you can use our designation software "PatchLabel" which is available on our web site www.neutrik.com free of charge.

Print-Out software "Patch Label"

graph TD
    A["Millefion"] --> B["Insert send"]
    B --> C["Mehrspur out"]
    C --> D["Buss-Out"]
    D --> E["Effekt Out L/R"]
    E --> F["Summe L/R"]
    F --> G["Summe"]

    H["Millefion in"] --> I["Insert return"]
    I --> J["Line In"]
    J --> K["Mehrspur-In"]
    K --> L["Summe L/R"]
    L --> M["Tape In L/R"]
    M --> N["SAT In L/R"]

    O["Summe L/R"] --> P["Summe L/R"]
    P --> Q["Tape On L/R"]
    Q --> R["Start One: Case On In"]
    R --> S["Autohram"]
    S --> T["Autohram"]
    T --> U["Auto"]
    U --> V["Aux"]

    W["Summe L/R"] --> X["Tape In L/R"]
    X --> Y["SAT In L/R"]
    Y --> Z["Case In L/R"]
    Z --> AA["zur Abhöranwahl"]
    AA --> AB["Autohram"]
    AB --> AC["Auto"]
    AC --> AD["Eff - In"]

8. Technical data

8.1 Electrical

Frequency range DC to > 50 MHz

Digital suitability Digital audio acc. to AES/EBU

Channel separation > 100 dB @ 10 kHz, 600 Ω terminated

40 dB @ 6 MHz, 110 Ω terminated

Insulation resistance > 10 ^9 Ω @ 500 V dc

Connector contact resistance < 20 mΩ

Switch contact resistance < 25 mΩ

Dielectric strength 1000 V dc

8.2 Mechanical

Lifetime > 5.000 Insertion / withdrawal cycles

Insertion / Withdrawal force < 10 N / > 8 N

Cable retention force 70 N max per cable retention bar

Dimensions (rack mount) 482 mm (W) × 44 mm (H) (19" × 1 U)

Depth 178 mm (7")

Weight 2.9 kg

Temperature range -30°C to +80°C

8.3 Materials

Jack housing PA 66 blend

Jack contacts CuSn6 - TRIBOR

® plated

(0.2 μm AuCo over 2 μm NiP)

Housing Steel and aluminum, black coated

Front Panel AlMgSi 0.5 F22

9. Wiring Diagram

graph TD
    A["Pin Header"] --> B["Top"]
    B --> C["Soldering Pads"]
    B --> D["solder tags"]
    C --> E["Common Signal Ground Top Row"]
    D --> F["Chassis Ground"]
    G["Common Signal Ground Bottom Row"] --> H["Top"]
    G --> I["Bottom"]
    H --> J["Ch 1"]
    H --> K["Ch 2"]
    H --> L["Ch 3"]
    H --> M["Ch 4"]
    H --> N["Ch 5 - CH 48"]
    I --> O["Ch 1"]
    I --> P["Ch 2"]
    I --> Q["Ch 3"]
    I --> R["Ch 4"]
    I --> S["Ch 5 - CH 48"]
    T["Chassis Ground"] --> U["Top"]
    T --> V["Bottom"]
    U --> W["Ch 1"]
    V --> X["Ch 2"]
    W --> Y["Ch 1"]
    X --> Z["Ch 2"]
    Y --> AA["Ch 3"]
    Z --> AB["Ch 4"]
    AA --> AC["Ch 5 - CH 48"]

Wiring diagram

10. Ordering Information

Patch Panels

Part Number Description Configuration\* Wiring Grounding

NPPA-TT-S 2 x 48 jacks half normalled bottom 288 solder terminals individual
NPPA-TT-S-FN 2 x 48 jacks full normalled 288 solder terminals individual
NPPA-TT-S-HNT 2 x 48 jacks half normalled top row 288 solder terminals individual
NPPA-TT-S-I 2 x 48 jacks isolated 288 solder terminals individual
NPPA-TT-S-P 2 x 48 jacks parallel 288 solder terminals individual

* fully loaded jack pairs only

Pre-configured Jack-Pairs

Part Number	Description	Configuration*
NJ3TTA-4-HNB	blocks of 2 channels	half normalled bottom row	cover ident color: clear
NJ3TTA-4-HNT	blocks of 2 channels	half normalled top row	cover ident color: yellow
NJ3TTA-4-FN	blocks of 2 channels	full normalled	cover ident color: green
NJ3TTA-4-P	blocks of 2 channels	parallel	cover ident color: red
NJ3TTA-4-I	blocks of 2 channels	isolated	cover ident color: orange

Accessories

NPPA-S Strain Relief bar NKTT* Patch cords with NP3TT-1 plugs. Available in black, blue, green, red and yellow. Length: 30, 40, 60, 90, 120 cm

NPPA-NB Normalling bars for changing the normalling of all 48 channels

Standard supply

The compact Neutrik "Easy Patch" NPPA-TT-S consists of:

• Black coated steel casing with aluminium fittings
• 2 x 48 highly integrated Neutrik NJ3TTA jacks with gold plated double contacts and specially designed normalling mechanism (standard: half normalled bottom row)
• Integrated internal pre-wiring with selectable flexible grounding system
  • Solder lugs termination
  • 2 Built-in cable retention bars
• Spare normalling configuration bars 4 Normal 1: "short", bridges 5 contacts 8 Normal 2: "medium", bridges 6 contacts 4 Normal 3: "long", bridges 7 contacts
  • 1 Disassembling plier
  • 1 Instruction Manual