From 33613a85afc4b1481367fbe92a17ee59c240250b Mon Sep 17 00:00:00 2001 From: Sven Eisenhauer Date: Fri, 10 Nov 2023 15:11:48 +0100 Subject: add new repo --- Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_7/buttons.html | 109 +++++++++++++++++ Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_7/content.html | 133 +++++++++++++++++++++ Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_7/index.html | 29 +++++ Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_7/media.html | 21 ++++ 4 files changed, 292 insertions(+) create mode 100644 Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_7/buttons.html create mode 100644 Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_7/content.html create mode 100644 Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_7/index.html create mode 100644 Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_7/media.html (limited to 'Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_7') diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_7/buttons.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_7/buttons.html new file mode 100644 index 0000000..5834902 --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_7/buttons.html @@ -0,0 +1,109 @@ + + + + + + + + + + + +New Page 1 + + + + + + + + + + + + + + + + + + + + + + + +
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+ + 4.1 + ISDN Concepts 
  + 4.1.7 + ISDN switch types 
+ + + + + + +
+ + Routers must be configured to identify the + type of switch with which they will communicate. Available ISDN switch + types vary, depending in part on the country in which the switch is + being used. As a consequence of various implementations of Q.931, the D + channel signaling protocol used on ISDN switches varies from vendor to + vendor.

+ + Services offered by ISDN carriers vary + considerably from country to country or region to region. + Like modems, + each switch type operates slightly differently, and has a specific set + of call setup requirements. Before the router can be connected to an + ISDN service, it must be configured for the switch type used at the CO. + This information must be specified during router configuration so the + router can communicate with the switch, place ISDN network level calls, + and send data. +

+

+ + In addition to knowing the switch type the + service provider is using, it may also be necessary to know what service + profile identifiers (SPIDs) are assigned by the telco. A SPID is a + number provided by the ISDN carrier to identify the line configuration + of the BRI service. SPIDs allow multiple ISDN devices, such as voice and + data equipment, to share the local loop. SPIDs are required by DMS-100 + and National ISDN-1 switches.

+

+ + SPIDs are used only in North America and + Japan. The ISDN carrier provides a SPID to identify the line + configuration of the ISDN service. In many cases when configuring a + router, the SPIDs will need to be entered.

+

+ + Each SPID points to line setup and + configuration information. SPIDs are a series of characters that usually + resemble telephone numbers. SPIDs identify each B channel to the switch + at the central office. Once identified, the switch links the available + services to the connection. Remember, ISDN is typically used for dialup + connectivity. The SPIDs are processed when the router initially connects + to the ISDN switch. If SPIDs are necessary, but are not configured + correctly, the initialization will fail, and the ISDN services cannot be + used.

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+ + + + +
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+ + + + + +
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+ + Web Links

+ + +

ISDN Switch Types, Codes, and Values

+ + http://www.cisco.com/en/US/products/sw/ + iosswrel/ps1831/ products_command_reference_ chapter09186a00800eea24.html

+ +

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