Page 10 AXIS Q7900 Installation GuideUnit connectorsRear connectorsNetwork Connector - Axis video encoder blades are designed for 10/100/1000 Mbps networks andconnect via the standard RJ-45 connector.Network Connector Switch - The Network Connector Switch controls which blades are connectedto a particular network connector. The following table shows how the blades are connected basedon how the switches are set. These settings are only made during power up.Rack ID - Sets a rack ID for all blades in the rack. Possible ID 0 to 15. The Blade ID, will correspondto the slot number.RS-485 Connector - Usually used for connecting Pan Tilt Zoom devices. See page 11 below for pinassignment information.I/O Power Connector(s) - 12VDC 100mA out. This connector could be used to supply power toexternal units connected to the I/O port.I/O Terminal Connector(s) - Provides the physical interface for up to 12 I/Os. See page 12 belowfor pin assignment information.Front connectorsNetwork Activity LEDs 1-4 - 10/100 yellow flashes with activity, 1000M green, flashes withactivity.PS1 LED - This will indicate a RED light when there is an error in Power supply 1. Please shut downPS1 and replace with a new power supply. It also indicates if PS1 is disconnectedPS2 LED - This will indicate a RED light when there is an error in Power supply 2. Please shut downPS2 and replace with a new power supply. It also indicates if PS2 is disconnectedFAN LED - This will indicate if one or more FANS need to be replaced with new ones. Please replacethe fans and reset the fans warning.NET 1-2switchNET 2-3switchNET 3-4switchNET1connectorNET2connectorNET3connectorNET4connectorOff Off Off Blade 1-4 Blade 5-7 Blade 8-10 Blade 11-14On Off Off Blade 1-7 Do not connect Blade 8-10 Blade 11-14Off On Off Blade 1-4 Blade 5-10 Do not connect Blade 11-14On On Off Blade 1-10 Do not connect Do not connect Blade 11-14Off Off On Blade 1-4 Blade 5-7 Blade 8-14 Do not connectOn Off On Blade 1-7 Do not connect Blade 8-14 Do not connectOff On On Blade 1-4 Blade 5-14 Do not connect Do not connectOn On On Blade 1-14 Do not connect Do not connect Do not connect