Page 194 of 906 NT5D11 and NT5D14 Lineside T1 Interface cards553-3001-211 Standard 3.00 August 2005mail systems, channel banks containing FXS cards, and key systems such asthe Nortel Norstar. The lineside T1 card differs from trunk T1 cards in that itsupports terminal equipment features such as hookflash, transfer, hold, andconference.This card occupies two card slots in the main or expansion cabinets. Thelineside T1 card can be installed in the system’s main cabinet or one of theexpansion cabinets (there are no limitations on the number of cards that canbe installed in the Cabinet system).The lineside T1 card emulates an analog line card to the system software;therefore, each channel is independently configurable by software control inLD 10. The lineside T1 card also comes equipped with a Man-MachineInterface (MMI) maintenance program. This feature provides diagnosticinformation regarding the status of the T1 link.Physical descriptionThe lineside T1 card mounts into any two consecutive IPE slots. The cardconsists of a motherboard and a daughterboard. The motherboard circuitry iscontained on a standard 31.75 by 25.40 cm. (12.5 by 10.0 in) printed circuitboard. The daughterboard is contained on a 5.08 by 15.24 cm (2.0 by 6.0 in)printed circuit board and mounts to the motherboard on six standoffs.Card connectionsThe lineside T1 card uses the NT8D81AA Tip and Ring cable to connect fromthe IPE backplane to the 25-pair amphenol connector on the IPE I/O input/output (I/O) panel. The I/O panel connector then connects directly to a T1line, external alarm, and an MMI terminal or modem using the NT5D13AAlineside T1 I/O cable available from Nortel.FaceplateThe faceplate of the card is twice as wide as the other standard analog anddigital line cards, and occupies two card slots. It comes equipped with fourLED indicators. See Figure 29 on page 195.