Extron IPL T CR48 是一款紧凑型以太网控制接口，带有内置的 Web 网页服务 器、4 个触点输入端口和 8 个继电器。它设计用于将 IP（Internet 协议）连接 集成到视音频系统中，从而实现对屏幕、计时器、灯光、运动感应器等进行 基于 Web 的远程控制。通过 4 路 TTL 专用的触点输入和 8 个常开继电器， 可以在视音频演示环境中控制范围广泛的产品。

技术参数

IPL T CR48
Ethernet control interface
Connectors	1 RJ-45 female connector
Data rate	10/100Base-T, half/full duplex with autodetect
Protocols	ARP, ICMP (ping), IP, TCP, UDP, DHCP, HTTP, SMTP, Telnet
Default settings	Link speed and duplex level = autodetected IP address = 192.168.254.254 Subnet mask = 255.255.0.0 Gateway = 0.0.0.0 DHCP = off
Web server	Up to 200 simultaneous sessions 7.25 MB nonvolatile user memory
Program control	Extron Simple Instruction Set™ (SIS™)
Global Viewer requirements	Microsoft® Internet Explorer® ver. 6 or higher
Relay control interface
Quantity/type	8 normally open relays
Relay control connectors	(2) 3.5 mm captive screw connectors, 8 pole
Relay control contact rating	24 V, 1 A
Contact closure control interface
Quantity/type	4 contact closure inputs
Contact input control connector	(1) 3.5 mm captive screw connector, 5 pole
Contact closure (input only)
Input voltage range	0 to 5 VDC, clamped at +5.1 V
Input impedance	10k ohms
Threshold	1.6 VDC
General
Power	Supplied by an included external power supply
External power supply	100 VAC to 240 VAC, 50-60 Hz, external; to 12 VDC, 1 A, regulated
Power input requirements	12 VDC, 0.5 A
Cooling	Convection, no vents
Mounting
Rack mount	Yes, with optional 1U rack shelf
Enclosure type	Metal
Enclosure dimensions	1.7" H x 4.3" W x 3.0" D (1U high, quarter rack wide) (4.3 cm H x 10.9 cm W x 7.6 cm D) (Depth excludes connectors.)
Product weight	0.7 lbs (0.3 kg)
Shipping weight	2 lbs (1 kg)
(8.0-080510-D11)