Convert to SCC EPN
Issue 7 November 2003
4-19
555-233-115
Disconnect Power and Ground
1. Disconnect the cabinet power cords from the rear of each cabinet.
2. Disconnect the 10 AWG (#25) (2.6 mm
2
) coupled bonding conductor wire.
3. Disconnect the 6 AWG (#40) (4.1 mm
2
) cabinet ground wire from the
ground bar in the cabinet.
Install Emergency Transfer Ground Wire
!
CAUTION:
To avoid contaminating single-point ground, do not connect the ground strap
while the system is powered up.
1. Connect a 10 AWG (#25) (2.6 mm
2
) wire either to pin 49 of the connecting
block or to pin 49 of the CAP (cable access panel) associated with the
emergency transfer panel.
2. Route the other end of the wire to an approved ground and connect.
Disconnect Equipment and Cables
1. Disconnect all of the connector cables attached to the PPN.
2. Disconnect the management terminal or PC from the TERM connector.
3. Remove the ground plate(s) from between all of the PPN cabinets.
4. Remove the top and bottom rear covers from all of the PPN cabinets.
Remove Circuit Packs
1. Label each port circuit pack in the control cabinet with its slot number.
2. Remove all circuit packs and power units from the control cabinet. Store
the circuit packs in the static-proof packaging.
NOTE:
If the R5/6si control cabinet contains a TN756 tone-detector/
generator, replace it with the new TN2182B Tone-Clock, which also
eliminates the need for a TN748B.
Disconnect TDM/LAN Cables and ICC Cables
1. Remove and retain all of the TDM/LAN cables.
2. If the Release 5/6si system is standard reliability, remove and retain the
ICC cables.
3. If the Release 5/6si system is duplicated, remove the ICC cables. They are
replaced with new ICC cables (H600-248 G1).
