NEC DS1000 Correspondence Course Workbook page 50

DS1000/2000 Correspondence Course
DS1000 System Installation
50 DS1000/2000 Workbook
Punch down the extension cables.
The system uses a 66M1-50 extension block and a second 66M1-50 cross
connect block for connecting extensions.
1. Connect to the extension block by arranging your extension and exten-
sion cross-connect blocks according to the illustration below.
2. Following the DS1000 Extension Assignments on page 51, punch
down a standard 25-pair cable on the extension block.
The cable should have a female amphenol 50-pin connector on one
end and be terminated on the other.
DS1000 Installation Layout
AUDIO PTF/MD
6-Conductor
DOOR1 DOOR2 RJ-11X Plugs
CO 1-3 CO 4-6
X10
RS 232
RS-232
25 Pair
Cable
Power Line Interface
4- or 6-Conductor
Line Cord
Trunk/AUX
RJ-25C Jacks
PFT
AUDIO
MDM
DOOR
DOOR
BOX 1
BOX 2
CO 4-6
CO 1-3
Extension
Block
X10
TW 523
AC
Outlet
(Future)
NEC America
Cross
Connect
Block