Extron electronic MLC 226 IP specifications IP Intercom, Control - host ports, Control - relay

Specifications — MLC 226 Series

IP Intercom

Connection type (IPI–MLC)	RJ-45 jack for CAT 5, CAT 5e, or CAT 6 cable
Audio
Frequency response	20 Hz to 3.3 kHz, ±1 dB
Audio processing
Audio format	PCM, µ-law companded
Sampling rate	8 kHz
Sample size	16 bit, µ-law companded to 8 bit
Audio latency	Software: 30 ms through 160 ms
	Network: <150 ms, typical
Audio output
Number/signal type	1 mono (for use with an optional IP Intercom)
Line level output	-10 dBV (316 mVrms), unbalanced (via 3.5 mm captive screw connector,
	2 pole)
Communication
Transport bandwidth for IPI control and audio, half duplex
	80 kbps (0.08% of 100Base-T
Ethernet protocol	TCP/IP (control), UDP (audio)

Control — host ports

Serial host port	2 bidirectional RS-232: 1 rear panel 9-pin female D connector (shared with
	digital input), 1 front panel 2.5 mm mini stereo jack
Baud rate and protocol	38400, 8 data bits, 1 stop bit, no parity
Serial control pin configurations.	9-pin female D connector: 2 = TX, 3 = RX, 5 = GND
	Mini stereo jack: tip = TX, ring = RX, sleeve = GND
Ethernet host port	1 RJ-45 female
Ethernet data rate (for network communication)
	10/100Base-T, half/full duplex with autodetect
Ethernet protocol	ARP, DHCP, ICMP (ping), TCP/IP, Telnet, HTTP, SMTP
Ethernet default settings	Link speed and duplex level = autodetected
	IP address = 192.168.254.254
	Subnet mask = 255.255.0.0
	Default gateway = 0.0.0.0
	DHCP = off
Web server	Up to 200 simultaneous sessions
	7.25 MB nonvolatile user memory
Secondary control panel (SCP)....	(1) 3.5 mm 5-pole direct insertion captive screw connector (shared with
	control module and IR Link port)
IR remote control	IR 402 (optional)
	Front panel: 30' maximum, 40 degrees off axis
	Rear panel: 38 kHz, hardwired, modulated
Program control	Extron's configuration program for Windows®
	Extron's Simple Instruction Set (SIS™)
	Microsoft® Internet Explorer, Telnet
IR learning frequencies	30 kHz to 62 kHz
IR learning distance	2" (5.1 cm) to 12" (30.5 cm) from the front panel

Control — relay

Number/type	6 momentary or latching (configurable via software)
Connectors	(3) 3.5 mm captive screw connectors, 3 pole
Connector configuration	Groups A, B, C; each with 1 common and 2 normally open relays (default)
Contact rating	24 V, 1 A

Extron MLC 226 Series MediaLink® Controllers • Specifications 1