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Company Confidential
January 7, 2002
Installation Guide Rev.0.3 (FCC).doc
NSM Technology Ltd.
1.3
4-port Central Office (CO) Line Board (PSTN Board)
Each PSTN Board supports up to a maximum of four CO lines with a RJ11
connector using pin 3 and 4. If more CO lines are required, an optional PSTN
Board can be installed on the reserved space. With 2 PSTN Boards, the maximum
incoming CO line is eight.
Finishing the above procedure, the top cover of the MBS can be closed.
