{
{    The purpose of this request is to process the 'network device error'
{   signal. This signal handler is to execute in the system input task
{   only. This signal handler is invoked for any of the following reasons:
{
{    1) To replenish the PP buffer pools,
{
{    2) To reset the link to a particular device, (in the case of a
{       detected CC protocol error)
{
{    3) To release buffers returned as part of a PP detected read error.
{
{       NAP$CN_SIGNAL_HANDLER (ORIGINATOR, SIGNAL)
{
{  ORIGINATOR: (input) This parameter is ignored.
{
{  SIGNAL: (input) This parameter specifies the signal.
{
