User guide

Reading PCNs
1-10: Getting Started (An Overview)
Reading PCNs
The PCN notice that you receive in email contains the PCN number, the
originator, the product and board information, revision information, and a
summary of:
• Functional changes
• Informational changes
• Detailed changes
The example PCN listed below has been greatly abstracted and edited.
###########################################
Bay Networks Prototype Change Notification: P1670048
###########################################
<Originator, date, product>
Board Name: ASSY,CABLE MODEM,MCNS
==========
Parent Assy: 119895-A Rel Stat: UNR Old Rev: 02 New Rev: 02
Upload Req: 119251-A Rel Stat: UNR Old Rev: 14 New Rev: 15
Description of Change:
=====================
Rev 14 bom had error ( NO Ref Des). Corrected on this run.
=================================
Design Target Plant: BNE Plant Code: 0100
#
# New Design: PWB ASSY MCNS BLASTOFF
# New Design Part Number: 119251-A Rev: 15
#
# Old Design: PWB ASSY MCNS BLASTOFF
# Old Design Part Number: 119251-A Rev: 14
#
# Summary Section:
# File generated by:
# BN BOMprocess [X0.62 (120997)], on Wed Dec 17 11:02:45 US/Eastern 1997
#
# Functional changes: < a count of changes involving checksums, ref-des-only,
quantity-only, parts deleted and added>
# Informational changes: < a count of total parts, released, unreleased,
obsolete, marked for deletion, with single or no AVL sources, with ECOs pending>
#
# Detailed changes Section: < detailed information about all changes>