IS128NT1

一 产品型号

• 外置式

• 墙壁贴装

二 产品功能

• 1个U接口 2个S/T接口

• 支持本地及远端供电

• 墙壁贴装设计方便安装

• U接口遵循ANSI 1.601 ETSIETR 080标准

• U接口的冷热启动

• DHCP(动态窗主配置协议)，允许用户申请一个暂时固定的网络地址

• U接口达到ITU-T K.21闪电保护标准

• S/T接口遵循ANSI 1.601 ETSI 300 012标准

• 受限模式下S/T极性反转

• 从PS1电源对S/T馈电受限模式下达到ITU-T I.430 420mV馈电标准

• 可选终端阻抗设置(100欧姆或无)

• 对短或扩展无源总线的S/T总线配置设置
  　

三 性能指标

FEATURES

• 1 x U interface, 2 x S/T interface
• Local/remote power supply supported
• Wall mounted design for mounting application
• U interface comply with ANSI T1.601, ETSI ETR.080
• Cold and warm start for U interface
• LT or TE activation for both direction
• Meet ITU-T K.21 lightning protection for U interface
• S/T interface comply with ANSI T1.601, ETSI 300 012
• S/T polarity reversed during restricted mode
• S/T power feeding from PS1 power source
• Meet ITU-T I.430 420mW power feeding under restricted mode
• Selectable terminating resistance setting (100£[ or none)
• S/T bus configuration setting for short or extended passive bus

SPECIFICATIONS

Type

• External
• Wall mounted

U Interface

• Comply with ITU-T G.961
• Meet ANSI T1.601
• Meet ETSI ETR.080
• Meet ITU-T K.21 line protection
• 1 x U interface port
• RJ45 modular jack
• 2-wire metallic line
• 2B1Q line coding
• 80Kbaud/s
• Maximum input DC voltage:115V
• Minimum input DC voltage:24V
• Power feeding consumption
• Normal mode : <500mW
• Restricted mode : <1100mW
• Cold start and warm start

S/T Interface

• Comply with ITU-T I.430
• Meet ANSI T1.605
• Meet ETSI 300 012
• 2 x S/T interface ports
• 4-wire metallic line
• AMI line coding
• 192Kb/s
• RJ45 modular jack
• Terminating resistance selectable for 100£[or none
• S/T PS1 output voltage:
• 40VDC, -15%~+5%
• S/T output power :
• Normal mode : 6W
• Restricted mode : 420mW
• PS1 polarity reversed

Connection

• Point-to-point
• Point-to-Multipoint

LED

• SYNC/TEST : U and S/T synchronization/Network Loopback test
• Local : local power supply
• Line : remote power supply

DIP Switch

• Terminating resistance
• S/T bus configuration selection
• Short passive bus
• Extended passive bus

Power

• Input:90/260VAC, 50~60Hz
• Output:40VDC, -15%~+5%

Operation

• 0 to 50 C

Humidity

• 10 to 95% RH

Dimension

• 130Wx91Dx40H (mm)