network switch CIRCUIT diagram

Abstract: lb1060ab lb1060
Contextual Info: Preliminary Data Sheet AT&T Microelectronics LB1060 Loop Termination Switch with Surge Protection Features • Survives ±10 A lightning surges ■ The switch will survive or fail shorted when sub­ jected to lightning surge currents between ±10 A and 30 A.

Contextual Info: LB1060AB LOOP TERMINATION SWITCH PRELIMINARY Description The LB1060AB Loop Termination Switch is an application specific integrated circuit for use in telecommunications loop test equipment. It consists of two dual isolated, polarity-insensitive (bilateral) voltage/current-controlled switches.

8 pin dip switch

Abstract: LH1263 lightning 8pin 8-pin DIP switch
Contextual Info: Preliminary Data Sheet ¡AT&T ' Microelectronics LB1060 Loop Termination Switch with Surge Protection Table 1. Switch Actuation Features Operation • Survives ±10 A lightning surges ■ The switch will survive or fail shorted when sub­ jected to lightning surge currents between ±10 A

Contextual Info: Advance Data Sheet [AT bT ' Microelectronics ATTL7583 Line Card Access Switch Features • Direct pin-for-pin replacement for ATTL7543 ■ Small size/surface-mount packaging ■ Monolithic 1C reliability ■ No impulse noise generation ■ No zero cross switching required

LH1571AAC

Abstract: ATTL7551AP ic 5504 dip 8 pin LB1201AS LB1201AB LB1011AB
Contextual Info: Microelectronics LB1201 Subscriber Line Interface Circuit SLIC Protector Features Description • Shunts lightning pulses to ground — Positive or negative 12.5 A, 10 us x 1000 jus — Positive or negative 18.5 A, 10 ^s x 160 |is The LB1201 Subscriber Line Interface Circuit (SLIC)

T7548

Abstract: LH1263
Contextual Info: = = ' Microelectronics T7548 Feature-Control Codec with Filters Features Description • External and user-programmable transmit and receive gain The T7548 Feature-Control Codec is a low-cost, user-programmable, fully integrated PCM codec with transmit/receive filters. The T7548 device is fabri­

LH1263

Abstract: LH1571 LB1013
Contextual Info: AT&T Data Sheet f Microelectronics LB1013 High-Voltage Dual Op Amp Features Description • Operates from 5 V to 85 V The LB1013AD High-Voltage Dual Op Amp is a monolithic silicon integrated circuit that is fabricated in a junction-isolated, complementary bipolar pro­

HP4935A

Abstract: l7564
Contextual Info: Advance Data Sheet ^ A T & T Microelectronics ATTL7564 Low-Power SLIC with Switching Regulator Features Description • Low active power typical 182 mW during on-hook transmission This electronic subscriber loop interface circuit (SLIC) is optimized for low power consumption while

LH1571

Abstract: l7561 LH1263 ATTL7551
Contextual Info: Microelectronics ATTL7561 Low-Power SLIC with Switching Regulator Features Description • Low active power typical 135 mW during on-hook transmission This electronic subscriber loop interface circuit (SLIC) is optimized for low power consumption while providing an extensive set of features. This SLIC

LH1571AAC

Abstract: LH1571 ti77 ATTL7551AP lb1013 T-7517A-PE LH1263 4152 8pin ic 5504 dip 8 pin LB1356
Contextual Info: Preliminary Data Sheet AT&T rMicroelectronics LH1571 Protected Power Feed Integrated Circuit Description Features Load Voltage Load Current Typical R on 250 250 4.0 Underwriters Laboratories’ UL standard for tele­ phone equipment specifies maximum allowable cur­

latch relay

Abstract: LH157 LH1571AAC lh1571
Contextual Info: Preliminary Data Sheet £ 3 AT&T ' Microelectronics LH1208 PBX Switch Set Features Description • Inputs — On/off ring switches — On/off message switch — All switches on — All switches off — Device reset — Off-hook detection — Strobe address

LH1571

Abstract: LH1571AAC 7513b IFL91 LB1356AF LH1571AB LB1013 ATTL7581AAE LB1276AF ATTL7551AF
Contextual Info: Preliminary Data Sheet f^ A T & T ’ Microelectronics LH1263 E & M Signaling Circuit Features Description • Switches controlled by TTL compatible data inputs The LH1263AE E & M Signaling Circuit replaces electromechanical relays and discrete components

ATTL7551AP

Abstract: ATTL7582AAE
Contextual Info: Advance Data Sheet J j^ A T s T rMicroelectronics ATTL7582 Tip Ring Access Switch The ATTL7582 is designed to provide power ringing access to tip and ring in Central Office, Digital Loop Carrier, Private Branch Exchange, Digitally Added Main Line and Fiber Optic Coax/Fiber in the Loop

ATTL7551AP

Abstract: tip to ring capacitance att loop test S002B ic 5504 dip 8 pin LB106 Tip & Ring Tin/Lead Termination “B”
Contextual Info: o s ' Microelectronics LB1276 High-Balance SLIC Features • No high-precision external resistors required for longitudinal balance of 58 dB ■ Longitudinal current sense ■ Differential current sense ■ Meter pulse compatible ■ Thermal protection with logic output

to-53

Contextual Info: Data Book Ringing Generation and Termination Introduction to AT&T's Ringing Generator and Termination Products Traditional ringing generators have relied on bulky electromagnetic components for their operation. While these ringers have their use serving systems with many lines, they become uneconomical in applications with few sub­

Contextual Info: Preliminary Data Sheet AT&T Microelectronics T7503-1 Dual PCM Codec with Filters Features Description • +5 V only For those applications where tight parametric performance is less critical, a spec relaxed T7503-1 dual codec is offered. This device is suitable for

ATTL7542

Abstract: LB127
Contextual Info: Jl%ATs»T Preliminary Data Sheet ' Microelectronics ATTL7542 Tip Ring Access Switch Features • Small size/surface-mount packaging ■ Monolithic 1C reliability ■ Clean, bounce-free switching ■ Low, matched ON-resistance ■ Built-in current limiting, thermal shutdown, and

ATTL7541

Contextual Info: = j = F Microelectronics ATTL7541 Ringing Access Switch The line break switch pair is a linear switch that has exceptionally low ON-resistance and an excellent ON-reslstance matching characteristic. The ringing access switch has a breakdown voltage rating

T7517a

Abstract: ATTL7583
Contextual Info: ’ Microelectronics T7517A PCM Codec with Filters Features Description • T7517A: A-law companding, 2.048 MHz master clock The T7517A PCM Codec with Filters is a single-chip integrated circuit that provides analog-to-digital and digital-to-analog conversion. In addition, the device