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PORTS???

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  • #34207 Reply
    John
    Guest

    Can anybody help me on this??

    What are ports in a switching system? And What is their function?

    Thanks

    #34208 Reply
    Hitesh
    Guest

    Generally ,Ports denote no. of Time Slots /64 Kbps channels available in a switching system. Out of these total available ports some are reserved for internal communication in switch, some are used for providing service circuits like Tones/Announcements and remaining are used for Traffic Channels (Sub Lines and Interexchange Trunks).

    #34209 Reply
    John
    Guest

    Thanks,

    Much appreciated.

    #34210 Reply
    S.Vijay
    Guest

    Refer this ARTICLE also for some basic Info.

    Announcement Playing :which switch ???

    Rgds

    #34211 Reply
    Hari
    Guest

    John,

    Usually we call port to T1/E1, for example 4-port E1 card, or 4-port T1 card.

    Which means, the card support 4 T1/E1 lines, each of 1.56/2.1 Mbps lines, with-in each of switch there will be 24/32 channels…………

    And each channel is a time-slot, which has a speed of 64kbps……

    The ISUP CIC field refers to channel/time-slot…….

    -Hoe this helps…….
    Hari

    #34212 Reply
    S.Vijay
    Guest

    John…an additional info.

    With Haris info think about TIME MULTIPLEXING…While readng.

    Rgds

Viewing 6 posts - 1 through 6 (of 6 total)
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