| 摘要 |
A subscriber transmission system, which in addition to receiving conventional telephone channels also provides an ISDN service, includes an ISDN switch, a first subscriber transmission equipment connected to the ISDN switch, multiple subscriber terminals, multiple network terminals corresponding to the multiple subscriber terminals, and a second subscriber transmission equipment coupled via a transmission path to the first subscriber transmission equipment. The second subscriber transmission equipment is also connected to the multiple network terminals. Each of the first and second subscriber transmission equipments has a DSO cross connect function and a function of terminating a physical layer path of the P-ISDN and also allocates a plurality of DSO signals used by the P-ISDN, to the transmission path.
|
