Programming instructions

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Upgrades and FRUs
Install ASU II FRUs
The ASU II can be configured with one or two line cards. You can install
one or two 16 port ONS cards, one or two 4 + 12 port combo cards (4 LS
trunks and 12 ONS lines), or one of each.
Line Card (16 Port ONS / 4+12 Port Combo)
To install a 16 port ONS or 4 + 12 port combo card:
1. If necessary, loosen the thumb screw and remove the blanking plate
from the cabinet rear.
2. Slide the card into the slot, with the lock latch open, and seat it
securely.
3. Close the lock latch and tighten the thumb screw with a Phillips
screwdriver.
4. Connect the Amphenol cable and secure the strap.
Power Supply
To replace the ASU II AC power supply:
1. Remove the power cord from the power supply AC receptacle.
2. Loosen the thumb screw on the power supply.
3. Open the lock latch and slide the card out of the slot.
4. Slide the new power supply into the slot on the rear of the ASU II, with
the thumb screw on the right.
5. Push to seat the power supply into the system power backplane.
6. Secure the thumb screw and tighten it with a Phillips screwdriver.
7. Insert the AC power cord into the power supply AC receptacle.