Product details:

The EXB-CIR PLUS Centralized Control Expander features 8 independent bidirectional RS232 interfaces, 4 independent I/O input/output interfaces, 8 relay control channels, a user-friendly infrared learning function panel, and 8 infrared output interfaces to assist users with various usage requirements.

● Brand: LINELINK.
● Model: EXB-CIR PLUS.
● LAN 10/100M Ethernet Ports: 1.
● RS232/485/422 Ports: 8.
● IR (Infrared) Ports: 8.
● Digital I/O Ports: 4.
● Maximum Cascade Quantity: 255 units.
● Relay Ports: 8.
● PoE LAN: 2.
● Built-in Infrared Learning Function: Yes.
● Input Power (AC): 110-230 V, 50/60 Hz.
● Input Power (DC): 12 VDC, 3A.
● Dimensions (LengthWidthHeight): 482mm x 203mm x 43mm.
● Storage Space: 512M.
● Weight: 2.0kg.