Nortel Networks DCT1900 Telephone User Manual


 
Technical Product Manual - DCT1900
Installation Instructions, Central Processing Unit (CPU) – REX-BRD0004 or 2/ROFNB 157 19/2
Install-DCT1900/R8/mw 5-7
© 2000-2005
Fig. 5-4 CPU-REX-BRD0004 or 2/ROFNB 157 19/2 cont.
Reset button
Sync out
Printer/SMS
RS232-A
General Alarm port
#1
EMPTY
Lithium battery
(type DL2032)
LED1
.
.
LED4
LED5
LED6
Not used
Sync out
Sync out
Sync in
Sync FPGA
RYSNB 101 24
Frame timing
synchronization source strap
Air Interface synchronization
master/slave straps
PC port
RS232-B
CPU Firmware, Poll Processor
REX-SW0014 or RYS 105 663
CPU Firmware
RYS 105 447(Mobility)
or
RYS 105 657(Standalone)
Warning:
Incorrect installation will
damage board. Follo
w
Section 5.3 carefully.
See previous page for
expanded view