RJ48?

[FreshPrince]

has anyone heard of RJ48?

my ISP tells me I need to run some RJ48 cables and I'm looking at them weird.

 

[T3C]

RJ-48S: Normally associated with DDS services from the telephone company this jack is used with DDS CSU/DSUs.

RJ-48C: Normally associated with a DSX-1 Interface for a T1 circuit this jack is used with T1 channel banks, T1 CSU/DSUs.