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AES / EBU
Digital Ready!
PATCHBAYS
DIGITAL
MTPH/TTPH Harness Series
5
Features and Benefits
• Units feature either 48 MT style
jacks or 96 TT style jacks on the
front panels, to a 4 foot harness,
out to a backpanel with PPT’s
• All versions utilize AES/EBU
wiring for complete digital
compatibility
MTPH48K3NO
• Attractive, corrosion resistant
nickel-plated, steel frame jacks
• Gold-plated switching contacts
reduce contact resistance,
improve reliability
Specifications
Materials
Jacks
Frame: Nickel-plated steel
Bushing: Nickel-plated brass
Tip, Ring and Shunt Springs:
Nickel silver with welded
contacts
Assembly Screws: Zinc-plated
steel
Welded Contacts: Gold alloy
The MTPH and TTPH Harness Series utilize standard front panel assemblies, a
4-foot cable harness, and our standard back panel assemblies. Primarily used
where the back panels must either be mounted into a rack, or brought back to the
front for easier access. Custom cable lengths can also be supplied. Contact the
factory for details.
Panel
Front Channel:
Black anodized aluminum
Frame: C.R.S. black epoxy painted
Designation Strips: Black
polycarbonate 94V-0
Designation Strip Covers: Clear
polycarbonate
Ordering Information
Type
No. of
Jacks
Part Number of Jack
Description
1.75" High front panel, 4’ Harness,
3.5" High back panel, normals strapped
MTPH48K1NS
MTPH48K1NO
MTPH48K3NS
MTPH48K3NO
MTPH48K3SNO
TTPH96K1NS
TTPH96K1NO
TTPH96K3NS
TTPH96K3NO
MT
MT
MT
MT
MT
TT
48
48
48
48
48
96
96
96
96
Jack Inserts: Thermoplastic
polyester
1.75" High front panel, 4’ Harness,
3.5" High back panel, normals brought out
3.5" High front panel, 4’ Harness,
3.5" High back panel, normals strapped
Mechanical
Life: 30,000 cycles
Insertion Force: 7 lbs. maximum
Withdrawal Force: 1 lb. minimum
Environmental: 0˚C to +50˚C
3.5" High front panel, 4’ Harness,
3.5" High back panel, normals brought out
3.5" High front panel, 4’ Harness, 3.5" High
back panel, sleeve normals brought out
Electrical
Contact Resistance: 30 milliohms
maximum initial
Insulation Resistance: 10,000
megohms maximum
Dielectric Withstanding Voltage:
500 VAC at 60 Hz
1.75" High front panel, 4’ Harness,
3.5" High back panel, normals strapped
TT
1.75" High front panel, 4’ Harness,
5.25" High back panel, normals brought out
TT
3.5" High front panel, 4’ Harness,
3.5" High back panel, normals strapped
TT
3.5" High front panel, 4’ Harness,
5.25" High back panel, normals brought out
Working Voltage: 140 VDC maximum
Current Rating: 100 milliamps
See Next Page for Mechanical Drawings
5555 North Elston Avenue / Chicago, IL 60630
Phone: 773-792-2700 / Fax: 773-792-2129
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