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SONET/TDM Rack-Mount Mountings

Westell’s rack-mount mountings are designed to house from fourteen to twenty-eight 200 Mechanics circuits. Local power connections are made via a barrier terminal strip, and there is no reduction in the number of available slots when the mounting is locally powered. All models have full front access to customer connections and include a front window to allow for visual monitoring of LED status.

31MA222
31MA222
31MA228
31MA228
DTMA528-06l14
DTMA528-06l14
DSA2280AI2
DSA2280AI2
DTMA528-19I4l4-14
DTMA528-19I4l4-14
DTMA-528-19I4
DTMA-528-19I4
Product Highlights
  • Pre-wired, connectorized back-plane eliminates installation time and minimizes errors
  • Supports HDSL and TI applications
  • Accepts either 200-type modules or 400-type modules
  • UL 1950 listed
  • NEBS certified
  • External ground lug
Product Highlights
Part # # of Positions Network Interface Customer Interface Other Documents
DTMA528-06C5C 4 Screw terminal blocks blocks Screw terminal blocks or RJ48C jacks Supports Tyco C5C protectors for DC power protection (field provided) Technical Practice
DTMA528-06L14 6 Screw terminal blocks Screw terminal blocks or RJ48C jacks Removable rear cover Technical Practice
A90-31MA222 22 50-pin telco connectors or wirewrap pin headers 50-pin telco connectors, wirewrap pin headers or RJ48C jacks Span or locally powered Technical Practice
C90-31MA228 28 64-pin telco connectors, wirewrap pin headers or RJ48C jacks 64-pin telco connectors, wirewrap pin headers or RJ48C jacks Locking front door Technical Practice
DTMA528-23I4L4-14 28 Separate XMT and RCV 64-pin telco connectors Separate XMT and RCV 64-pin telco connectors or optional RJ48C jacks Optional locking front door Technical Practice
DSA-2280AI2 28 64-pin telco connectors 64-pin telco connectors or RJ48C jacks Lockable front cover Technical Practice
DTMA528-19I4L8 28 Separate XMT and RCV 64-pin telco connectors or optional wirewrap pins Separate XMT and RCV 64-pin telco connectors, optional wirewrap pins or RJ48C jacks Optional rear pin cover Technical Practice
DTMA528-19I4L4-14 28 Separate XMT and RCV 64-pin telco connectors Separate XMT and RCV 64-pin telco connectors Lockable front cover Technical Practice
DTMA528-23I4L3-10 28 Separate XMT and RCV 64-pin telco connectors Separate XMT and RCV 64-pin telco connectors Lockable front cover Technical Practice