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DIGITAL
AES / EBU
Digital Ready!
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
• 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
Panel
Front Channel:
Black anodized aluminum
Frame: C.R.S. black epoxy painted
Designation Strips: Black
polycarbonate 94V-0
Designation Strip Covers: Clear
polycarbonate
Jack Inserts: Thermoplastic
polyester
Mechanical
Life: 30,000 cycles
Insertion Force: 7 lbs. maximum
Withdrawal Force: 1 lb. minimum
Environmental: 0˚C to +50˚C
Electrical
Contact Resistance: 30 milliohms
maximum initial
Insulation Resistance: 10,000
megohms maximum
Dielectric Withstanding Voltage:
500 VAC at 60 Hz
Working Voltage: 140 VDC maximum
Current Rating: 100 milliamps
MTPH48K3NO
PATCHBAYS
MTPH/TTPH Harness Series
5
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.
Ordering Information
Type
Part Number
of Jack
MTPH48K1NS
MTPH48K1NO
MTPH48K3NS
MTPH48K3NO
MTPH48K3SNO
TTPH96K1NS
TTPH96K1NO
TTPH96K3NS
TTPH96K3NO
MT
MT
MT
MT
MT
TT
TT
TT
TT
No. of
Jacks
48
48
48
48
48
96
96
96
96
Description
1.75" High front panel, 4’ Harness,
3.5" High back panel, normals strapped
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
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
1.75" High front panel, 4’ Harness,
3.5" High back panel, normals strapped
1.75" High front panel, 4’ Harness,
5.25" High back panel, normals brought out
3.5" High front panel, 4’ Harness,
3.5" High back panel, normals strapped
3.5" High front panel, 4’ Harness,
5.25" High back panel, normals brought out
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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SWITCH [ SWITCHCRAFT, INC. ]
