Nortel Networks DCT1900 manual CPU-REX-BRD0004 or 2/ROFNB 157 19/2

Technical Product Manual - DCT1900

Installation Instructions, Central Processing Unit (CPU) – REX-BRD0004 or 2/ROFNB 157 19/2

Sync FPGA

RYSNB 101 24

LED1

.

.

LED4

Reset button

LED5

LED6

Sync in

Sync out

Lithium battery (type DL2032)

Sync out

Sync out

Printer/SMS

RS232-A

PC port

RS232-B

CPU Firmware

RYS 105 447(Mobility) or

RYS 105 657(Standalone)

Not used

General Alarm port

CPU Firmware, Poll Processor REX-SW0014 or RYS 105 663

Air Interface synchronization	Frame timing
master/slave straps	synchronization source strap
	See previous page for
	expanded view
	Warning:
	Incorrect installation will
	damage board. Follow
	Section 5.3 carefully.
	EMPTY
	#1

Fig. 5-4 CPU-REX-BRD0004 or 2/ROFNB 157 19/2 cont.

Install-DCT1900/R8/mw	5-7
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