ISDN
ISDN PCB Module Patch Panel
19"x1.75(1U)Ports: 25 / 50 Available
Support USOC wiring guidelines
ISDN PCB Module Patch Panel 50 Pins Lock Type
19"x1.75(1U), 50 Pins Screw Lock or Bail Lock TypePorts: 25 / 50 Available
Support USOC wiring guidelines