PM7346 datasheet(22/419 Pages) PMC

22 / 419 page

PM7346 S/UNI-QJET

DATASHEET

PMC-960835

ISSUE 6

SATURN QUAD USER NETWORK INTERFACE FOR J2, E3, T3

PMC-SIERRA, INC. PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA INC., AND ITS CUSTOMERS’ INTERNAL USE 1

FEATURES

• Single chip quad ATM User Network Interface operating at 44.736 Mbit/s,

34.368 Mbit/s, and 6.312 Mbit/s conforming to ATMF-95-1207R1, ATMF-94-

0406R5, and AF-PHY-0029.000. Each line can be individually configured for

the desired rate.

• Implements ATM Direct Cell Mapping into DS1, DS3, E1, E3, and J2

transmission systems according to ITU-T Recommendation G.804.

• Provides a UTOPIA Level 2 compatible ATM-PHY Interface.

• Implements the Physical Layer Convergence Protocol (PLCP) for DS1 and

DS3 transmission systems according to the ATM Forum User Network

Interface Specification and ANSI TA-TSY-000773, TA-TSY-000772, and E1

and E3 transmission systems according to the ETSI 300-269 and ETSI 300-

270.

• Support is provided for SMDS and ATM mappings into various rate

transmission systems as follows:

Table 1

- Supported Operating Formats

Rate

Format

Framer

Only

SMDS PLCP

Mapping

ATM Direct

Mapping

C-bit Parity

YES

(44.736 Mbit/s)

M23

YES

G.751

YES

(34.368 Mbit/s)

G.832

YES

n/a

YES

(6.312 Mbit/s)

G.704 & NTT

YES

n/a

YES

CRC-4

external

YES

(2.048 Mbit/s)

PCM30

external

YES

ESF

external

YES

(1.544 Mbit/s)

external

YES

Arbitrary Cell

Rate

(up to 52 Mbit/s)

bypass

n/a

YES

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