Specifications — MLC 226 Series
1
Extron MLC 226 Series MediaLink
®
Controllers • Specifications
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
