www. m oxa. com Mission-Critical Computers > MC-1100 Series Mission-Critical Computers 23-14 23 Dimensions Unit: mm (inch) MC-1111 MC-1121 122 (4.80) 68 (2.66) 132 (5.20) 122 (4.80) 87 (3.43) 132 (5.20) MC-1121 TX1 TX2 RX1 RX2 LAN2 LAN4 LAN3 COM2 COM1 LAN1 /CFast USB2.0 VGA D + + V+ V- Power Input 1 2 DC 9-36V GND Source DO DI 1 2 3 4 1 2 3 4 SIM Card Holder Cover Wireless Antenna LED Indicators (power, storage, SD) SD/CFast Card Holder Cover USB Hosts x 2 (type-A) LED Indicators (TX, RX) LAN Ports x 4 (RJ45) COM Ports x 2 Power Input (9-36 VDC) DI Channels x 4 DO Channels x 4 Wireless Antennas x 2 VGA Port (DB15) Display Port (DP) Grounding Connector