Stage 1: Installing Cards in the TSU




	NOTE: This section describes how to install cards into a new TSU. If you wish to add an additional TSC to an existing TSU, or replace a TSC or LAN card in an existing TSU, refer to Chapter 9 “Maintaining TSU/TSC Hardware”

When adding a new Telecom Signaling Unit to your platform, you must first install the Telecom Signaling Cards and additional LAN card (if required) into your unit. Note that the PCI slots available for the different types of cards are as follows:

Card Type	PCI Slots
V.35 TSC	1 to 5
E1/T1 TSC	1, 3 and 5
LAN Card	L1




	WARNING! Ensure that the TSU is powered OFF before installing cards.




	NOTE: Do not mix different Telecom Signaling Card types in a single TSU. To use more than one TSC type with your platform, you must install each TSC type in a separate TSU.Slot L0 in the TSU is occupied by the system CPU card, which also provides a LAN connection to the host. This card is supplied with the TSU and cannot be removed. You only need to install an additional LAN card (in slot L1) if the TSU is to be connected to the hosts in a 2-host platform. If you need to add an additional LAN card to your host server(s) in order to connect to the new TSU, refer to “Replacing, Removing or Adding a Hardware Component in the Host”.

Install the cards as described in the procedure below:

Before handling the cards, take anti-static precautions by wearing a grounding wrist strap.
Remove the cover of the Telecom Signaling Unit, as described in “Removing the TSU Cover”.
Remove the card cage from the TSU, as described in “Removing the Card Cage”.
If you need to install an additional LAN card, insert the card into slot L1 in the TSU, as described in “Adding a Card to a TSU”.
If you wish to install a TSC in slot 5 (which is adjacent to slot L1), do this (as described in Step 4) before securing the card brackets again.
Do NOT connect the LAN cards to the hosts yet.
To install a TSC into the TSU, insert the TSC into an appropriate slot in the TSU, as described in “Adding a Card to a TSU”.
Do NOT connect the network cables yet.
Re-insert the card cage into the TSU, as described in “Replacing the Card Cage”.
Replace the cover of the TSU, as described in “Replacing the TSU Cover”.

Stage 1: Installing Cards in the TSU

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