Previous Hour Errored Seconds - Receive direction.
Receive is data from the customer towards the network.
Errored Seconds are seconds in which one or more block
errors occur. These errors are measured at the physical
link level (e.g. DSL CRC or BPV errors) and not at the
frame relay level. This register is defined by Bellcore
TR-TSY-000829. Indexed by Bank.ChannelUnit.Port.Address