Kramer 4 x 4 Seamless AV Matrix Switcher/Multi-Scaler - Manual (Page 14)

VSM-4x4A – Overview 7
Figure 2: VSM-4x4A 4x4 Seamless AV Matrix Switcher/Multi-Scaler Rear Panel
# Feature Function
18 INPUT HDMI Connectors Connect to the HDMI sources (from 1 to 4)
19 AUDIO OUTPUT 3.5mm
Mini Jack Connect to an unbalanced audio acceptor (from A to D)
20 AUDIO OUTPUT 5-pin
Terminal Block Connector Connect to a balanced audio acceptor (from A to D)
21 OUTPUT HDMI
Connectors Connect to the HDMI acceptors (from A to D); DUAL: when in the dual operation mode,
A, A and B, B
22 ETHERNET Connector Connects to the PC or other Serial Controller through computer networking
23 PROG USB Connector Connect to upgrade the unit
24 RS-232 9-pin D-sub Port Connect to the PC or a remote controller
25 Mains Socket Connect the mains power cord
26 Mains Fuse Holder Fuse for protecting the device
27 Power Switch Switch for turning the unit ON or OFF