Bosch Appliances 3922 988 43318 PC system for 270 PCF, PC System for 270 PCF, LBB 3500/15 or /35

Digital Congress Network Installation	and Operating Manual Chapter 10 - Installation Techniques	en 10-13
PC system for 270 PCF	This page has been left blank intentionally

FIG 10-18shows a PC system catering for 270 PCF. An Audio Media Interface Unit LBB 3508/00 is used to extend the system by 90 PCF. Because the Network card (PC) has no loop-through facility, a trunk splitter LBB 4114/00 is used.

PC SYSTEM FOR 270 PCF

LBB 3500/15 or /35

Port 1	Rec.	Line	Trunk
	In	In
Port 2	Out	Out	115 V -T4A 230 V -T2A
		Symmetrical

PCF ≤ 180 (max.)

PC

PC Network Card LBB 3510/00

LBB 3508/00

Output 1	Output 2	Output 3	Output 4	Trunk	Tap-off
					115	V T4A 230 V	T2A

LBB 4114/00

LBB 4116/xx

PCF ≤ 90 (max.)

NOTE: The above example uses the IN-DIRECT method of connecting the PC to the DCN trunk-line cabling

FIG 10-18 PC Control for a PCF of 270

Bosch Security Systems 04-2003 3922 988 43318 en Computer Based Systems