Datasheet > DS26514_11

DS26514_11

更新时间： 2022-10-27 16:32:05

品牌	Logo	应用领域
美信 - MAXIM		电阻器
页数	文件大小	规格书
305页	2670K
描述
4-Port T1/E1/J1 Transceiver Fully Internal Impedance Match, No External Resistor

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DS26514_11 数据手册

19-5856; Rev 4; 5/11

DS26514

4-Port T1/E1/J1 Transceiver

______________ General Description

_______________________ Features

♦

Four Complete T1, E1, or J1 Long-Haul/

Short-Haul Transceivers (LIU Plus Framer)

The DS26514 is a 4-port framer and line interface

unit (LIU) combination for T1, E1, J1 applications.

Each port is independently configurable, supporting

both long-haul and short-haul lines. The DS26514

single-chip transceiver (SCT) is software and pinout

compatible with the 8-port DS26518. It is nearly

software compatible with the DS26528 and its

derivatives.

Independent T1, E1, or J1 Selections for Each

Transceiver

Fully Internal Impedance Match, No External

Resistor

Software-Selectable Transmit- and Receive-

Side Termination for 100Ω T1 Twisted Pair,

110Ω J1 Twisted Pair, 120Ω E1 Twisted Pair,

and 75Ω E1 Coaxial Applications

___________________ Applications

Routers

Channel Service Units (CSUs)

Data Service Units (DSUs)

Muxes

Switches

Channel Banks

♦

Hitless Protection Switching

Crystal-Less Jitter Attenuators Can Be

Selected for Transmit or Receive Path; Jitter

Attenuator Meets ETS CTR 12/13, ITU-T

G.736, G.742, G.823, and AT&T Pub 62411

T1/E1 Test Equipment

♦

External Master Clock Can Be Multiple of

2.048MHz or 1.544MHz for T1/J1 or E1

Operation; This Clock is Internally Adapted

for T1 or E1 Usage in the Host Mode

______________ Functional Diagram

DS26514

T1/E1/J1

Receive-Signal Level Indication from -2.5dB

to -36dB in T1 Mode and -2.5dB to -44dB in E1

Mode in Approximate 2.5dB Increments

NETWORK

T1/J1/E1

Transceiver

BACKPLANE

♦

Transmit Open- and Short-Circuit Detection

TDM

LIU LOS in Accordance with G.775, ETS 300

233, and T1.231

♦

Transmit Synchronizer

Flexible Signaling Extraction and Insertion

Using Either the System Interface or

Microprocessor Port

______________Ordering Information

♦

Alarm Detection and Insertion

T1 Framing Formats of D4, SLC-96, and ESF

J1 Support

PART

TEMP RANGE PIN-PACKAGE

DS26514GN

DS26514GN+

256 TE-CSBGA

-40°C to +85°C

♦

E1 G.704 and CRC-4 Multiframe

T1-to-E1 Conversion

+Denotes a lead(Pb)-free/RoHS compliant package.

Features continued in Section 2.

Maxim Integrated Products

Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple

revisions of any device may be simultaneously available through various sales channels. For information about device

errata, go to: www.maxim-ic.com/errata. For pricing, delivery, and ordering information, please contact Maxim Direct at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

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