Bosch Appliances 550 user manual Getting Started, Establishing Control of the Camera

MIC Series 550 CameraGetting Started en 23

6	Getting Started
		Install and wire the camera according to the instructions in this manual and in the manuals
		that accompany the power supply and mounting devices. A typical system includes a
		keyboard, matrix switcher, monitor, and appropriate wiring connections. Refer to the
		individual product manuals for complete installation and setup instructions for each of the
		system components.
6.1	Establishing Control of the Camera
		The MIC-550 supports two communication protocols (Biphase and RS-485), and both Bosch
		and Pelco D and P (keyboard) controller protocols that allow you to send commands to the
		camera and to receive information from the camera.
6.1.1	Establishing Control of the Camera via Biphase Protocol
	NOTICE!
	Biphase protocol works only with Bosch controller protocol. It does not work with Pelco
	controller protocol.
		Shielded 2-wire, half-duplex, multi-drop, 5000 ft. cable limit
		Biphase is the standard Bosch protocol used to send Pan/Tilt/Zoom control over 2-wire
		shielded twisted pair (STP) terminated with a 100 Ω terminal resistor. Biphase connections
		require a MIC-BP3 or a MIC-BP4 Biphase converter (sold separately).
	CAUTION!
	The Biphase shield must be connected to the head end only.
		Cable Type	STP - Shielded Twisted Pair
		Distance	1524 m (5000 ft) Belden 8760 recommended
		Transmission Rate	31.25 KHz
		Gage	1.02 mm (18 AWG)
		Termination	100 Ω
		Terminal Connector	Screw terminals
		Voltage	4 Vp-p
6.1.2	Establishing Control of the Camera via RS-485 Protocol
	NOTICE!
	In Pelco controller protocol, RS-485 is the only communication protocol that the MIC-550
	supports. It does not transmit responses back to the controller.

2-wire (shielded), half-duplex, differential, multi-drop (32 nodes), 4000 ft cable limit RS-485 is capable of controlling a true multi-drop network and is specified for up to 32 drivers and 32 receivers on a single 2-wire bus. The MIC-550 camera uses the 2-wire mode, although RS-485 can be connected in a 2- or 4-wire mode.

NOTICE!

The wire shield must be tied to signal at both ends, if 2-wire twisted pair is used. After connecting the wires for RS-485 operation, ensure that the slide switch on the main board to the camera head is positioned toward the LEDs (default).

Bosch Security Systems, Inc. User Manual F.01U.239.454 3.0 2012.09