Origin: China Price: To Talk About Payment Method: T/T Quantity: 100Pcs Pack. & Delivery: As You Wish Specification: Vertical Protection Blocks 100 Pairs Vertical Protection Block CWMDFB-PB01 (128W x 187H x 98D) has capacity of 100 pairs and adopts IDC termination of subscriber lines and jumpers in main distribution frame (MDF) and main distribution cabinet. termination of jumpers and subscriber lines enter the block from the left side of the block and jumpers enter the block from the right side of the block. The protection module is inserted in the front side of the block for protection against over-voltage, over-current, etc. When the protection module is pulled off from it, the circuit is disconnected. All the terminations and maintenance are conveniently conducted on the front side of the block.