MODEM BOARD

MODEM BOARD (see Figure 3-14)
This board has no selectable options and installs on the IOM board (see Figure 3–15). The MODEM board provides a 56Kbps/V90 modem for communicating with the system remotely. Place the modem board face down over the two connectors, taking care to properly line them up, and lining up the holes in the MODEM board and IOM board, and press gently on the back of the board to seat it.
3.10 IOM BOARD (see Figure 3-15)
This board has no selectable options and installs on the system main cabinet (see Figure 3–16). Line the IOM board up with the card slot and slide it in. Press gently on the center of the IOM board front panel to seat it and secure the board with the two screws.
3.11 TRUNK B CARD (see Figure 3–17)
This card has no selectable options. Insert as many Trunk B cards as are needed into any universal slots (see Figure 3–1). Push firmly in the middle of both card ejectors on each card to ensure that it is fully inserted into the back plane connector.