Up-grading method for transmission apparatus

• Main Authors: ITOH; NORIKO, SUGIOKA; TETSUYA, INADA; MANABU
• Format: Patent
• Language: English
• Published: 11.07.2000
• Edition: 7
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; MULTIPLEX COMMUNICATION

An up-grading method for a transmission apparatus including at least one low-speed side interface device, at least one high-speed side interface device, and a cross connection or add/drop MUX device which has at least one of a function of multiplexing a signal from the low-speed side interface devic...