This is a used AT&T Voice Processor Card. NO EXCEPTIONS.
Copper bus bar tin plated 12 x 4 x 1/4 inch
No hardware included, never used open box
Pre terminated 300 pair 110 block AT&T 110AB2-300CBM Lucent Avaya 50 Pin Telco
The IS50NXC2 model has been a reliable addition to my bench.