Nortel Modular Ics 6.1 Installer Guide
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Welcome to ISDN / 51 P0603534 02Modular ICS 6.1 Installer Guide MCDN trunk features Systems with MCDN Private Networking connections can provide these trunk routing features: • Trunk Route Optimization (TRO) finds the most direct route through the network to send a call between nodes. This function occurs during the initial alerting phase of a call. • ISDN Call Connection Limitation: The ICCL feature piggybacks on the call initiation request and acts as a check at transit PBX points to prevent...
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52 / Welcome to ISDN Modular ICS 6.1 Installer GuideP0603534 02 For services information about dialing plans and PRI, see Networking with Norstar on page 99 and Dialing Plan on page 436. Refer to the hardware section for Call-by-call routing on page 485. Emergency 911 dialing Modular ICS 6.1 with the ISDN PRI feature is capable of transmitting the telephone number and internal extension number of a calling station dialing 911 to the Public Switched Telephone Network. State and local requirements...
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Welcome to ISDN / 53 P0603534 02Modular ICS 6.1 Installer Guide • The routing table should route 911 to a public line or line pool. • If attendant notification is required, the routing table must be set up for all 911 calls to use a dedicated line which has an appearance on the attendant console. Note: The actual digit string 911 is not hard-coded into the system. More than one emergency number can be supported MCID (Profile 2) The MCID feature allows you to use ≤°·‡ to have call information...
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54 / Welcome to ISDN Modular ICS 6.1 Installer GuideP0603534 02 ISDN hardware To support connections to an ISDN network and ISDN terminal equipment, your Modular ICS must be equipped with one or more BRI cards (BRI-U or BRI-ST), a DTI card configured for PRI, and a Combination Fiber 6-port Services Cartridge or a Services Cartridge. DTI card configured as PRI A DTI card configured as PRI provides one T loop. Refer to T reference points on page 58 for more information. In most PRI network...
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Welcome to ISDN / 55 P0603534 02Modular ICS 6.1 Installer Guide Detailed wiring information for BRI and PRI network and terminal connections is included in the Installation on page 219. BRI-U2 and BRI-U4 card A BRI-U2 card supports two loops and the BRI-U4 supports four loops. Each loop can be individually programmed to provide one of the following: • a U-LT reference point connection for terminal equipment (TE) with built-in NT1 functionality (U interface) • a U-NT reference point connection for...
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56 / Welcome to ISDN Modular ICS 6.1 Installer GuideP0603534 02 U-NT reference points The U-NT reference point connection provides a point-to- point digital connection between the ISDN network and the ICS. A U-NT loop provides lines that can be used by all Norstar telephones, peripherals and applications, and ISDN TE. U-NT and U-LT loops can be used in combination to provide D-packet service for a point-of-sale terminal adapter (POSTA) or other D-packet device. D-packet service is a 16 kbps data...
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Welcome to ISDN / 57 P0603534 02Modular ICS 6.1 Installer Guide S reference point The S reference point connection provides either a point-to- point or point-to-multipoint digital connection between Norstar and ISDN terminal equipment (TE) that uses an S interface. S loops support up to seven ISDN DNs, which identify TE to the ICS. In s p e c t F O R W A R D C a lle rsInspect FORWARD CallersM X PMXP S S In s p e c t F O R W A R D C a lle rsInspect FORWARD CallersM X PMXP In s p e c t F O R W A R...
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58 / Welcome to ISDN Modular ICS 6.1 Installer GuideP0603534 02 T reference points The T reference point connections provide a point-to-point digital connection between the ISDN network and Norstar. A T loop provides lines that can be shared by all Norstar telephones, peripherals and applications, and ISDN TE. A T loop can be used in combination with an S loop to provide D-packet service for a point-of-sale terminal adapter (POSTA) or other D-packet device. D-packet service is a 16 kbps data...
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Welcome to ISDN / 59 P0603534 02Modular ICS 6.1 Installer Guide Clock source for ISDN cards Systems with ISDN interfaces need to synchronize clocking with the ISDN network and any connected ISDN terminal equipment. Clocking synchronization is supported by either a Combination Fiber 6-port Services Cartridge or a Services Cartridge. The Modular ICS derives timing from the network using U-NT and T reference points (loops). Terminal equipment on U-LT and S reference points (loops) derive timing from...
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60 / Welcome to ISDN Modular ICS 6.1 Installer GuideP0603534 02 Systems with only U-LT and S loops act as timing masters for the attached terminal equipment (TE), and are not synchronized to the network. ISDN TE without access to a network connection (BRI lines) has limited or no functionality. If your system has both a BRI and a DTI card configured as PRI installed, it is recommended that you use PRI as the primary clock source, see DTI card configured as a PRI card on page 53. Other ISDN BRI...