Nortel DCT1900 Technical Product Manual page 275

CPU 1 CPU 1
(Master) (Master)
A B C A B C
1 1
White/Blue White/Blue
2 2
3 3
Blue/White Blue/White
4 4
5 5
6 6
7 7
Connect Pins A3 and C5 of CPU 1 to pins 4 and 5 of CPU 2. Connect Pins A3 and C5 of CPU 1 to pins 4 and 5 of CPU 2.
Using CAT 5 cable at 25 feet, the delay is Using CAT 5 cable at 25 feet, the delay is
40 nanoseconds, entered into the Slave CPU configuration. 40 nanoseconds, entered into the Slave CPU configuration.
For longer runs, cut the cable and cross-connect at the 66 block. For longer runs, cut the cable and cross-connect at the 66 block.
Measure the delay, and enter in the slave configuration in nanoseconds. Measure the delay, and enter in the slave configuration in nanoseconds.
Install-DCT1900/R8/mw
© 2000-2005
Punch Block Punch Block
White/Orange White/Orange
Fig. 20-9 CPU1 to CPU2 Connection
Technical Product Manual - DCT1900
Installation Instructions, Modular Cabinet – CPU Cabling
CPU 2 CPU 2
(Slave) (Slave)
RJ-45 RJ-45
4 4
5 INPUT 5 INPUT
Orange/White Orange/White
20-11