RS8234EBGC Mindspeed Technologies, RS8234EBGC Datasheet - Page 219

• Manufacturer Part Number: RS8234EBGC
• Description: RS8234EBGC ATM XBR SAR
• Manufacturer: Mindspeed Technologies

RS8234
ATM ServiceSAR Plus with xBR Traffic Management
7.1.3 OAM Cell Format
Figure 7-1. OAM Cell Format
28234-DSH-001-B
NOTE(S): EDC = Error Detection Code (10 bits). This is a CRC-10 error detection code computed over the
GFC
4 bits
4 bits
VPI
OAM cell information fields, excluding the EDC field.
12 bits
8 bits
8 bits
Cell Header
Figure 7-1
specific to OAM.
= Generated by the RS8234 for all OAM Cells.
= Generated by the RS8234 for PM OAM only.
2 octets
Header
5 octets
VCI
Mindspeed Technologies
illustrates the common OAM cell format and identifies the fields
OAM
Type
4 bits
3 bits
PTI
Function
4 bits
Type
1 bit
L
HEC
8 bits
OAM Cell Information Fields
Function Specific Fields
45 octets
™
F4 Flow (VP)
F5 Flow (VC)
VCI 3 = Segment
VCI 4 = End-to-end
PTI 100 = Segment
PTI 101 = End-to-end
(Rsvd)
6 bits
7.0 OAM Functions
7.1 OAM Overview
(CRC-10)
10 bits
EDC
100074_061
7-5