Section 3: Connecting Trunks And Extensions; Connecting Trunks; Connecting Analog Trunks - NEC DS1000 Operation Manual

Connecting Trunks

Connecting Trunks

Connecting Analog Trunks

The base system connects 3 loop start CO trunks. With the Expansion Board installed, the system provides a
total of 6 loop start CO trunks.
To connect analog trunks (Figure 3-1):
1. Install additional modular jacks as required.
the illustration below.
2. Wire the additional modular jacks as shown.
3. Plug line cords from the telco mod jacks to the system mod jacks as shown.
DS1000 Hardware Manual
Section 3: Connecting
Trunks and Extensions
The telco may provide your trunks in a single RJ-25C jack or in multiple RJ-11C jacks. Review
BLK BLUE GRN
1T
3R
2T
2R
3T
1R
To CO 1-3 YEL WHT RED
on DS1000
Cabinet
BLK BLUE GRN
YEL WHT RED
To CO 1-3
on DS1000
Cabinet
(Connections for CO 1-3 shown)
Figure 3-1: Connecting Analog Trunks
Connecting Trunks
RED WHT YEL
GRN BLUE BLK From
Telco RJ-25C
RED WHT YEL
1R
1T
GRN BLUE BLK From
Telco RJ-11C
RED WHT YEL
2R
2T
GRN BLUE BLK From
Telco RJ-11C
RED WHT YEL
3R
3T
GRN BLUE BLK From
Telco RJ-11C
Section 3: Connecting Trunks and Extensions ◆ 3-1
3