... Box External Connection Box Outdoor Distribution Box Subscriber Terminal Block Module A multi-functional terminal enclosure available in 10, 15, 20, 25 and 30-pair ... concrete poles.SizesAvailable in 10, 15, 20, 25 and 30-pair configurations.May be ordered fully populated - terminals are pre ... used to environmentallyprotect 10, 15, 20, 25 or 30 terminal blocks. Each housing includes a standard DIN rail ...