NEC DS1000 Operation Manual page 55

1. Do not run station cable parallel with the AC source, telex or computer, etc. If the cables
are near cable runs to those devices, use shielded cable with grounded shields or install the
cable in conduit.
2. When cables must be run on the floor, use cable protectors.
3. Cable runs for key telephones, single line telephones, Door Boxes and 2-OPX Modules
must be a dedicated, isolated cable pair.
Device
Key Telephone
Single Line
Telephone
Analog Door Box
2-OPX Module
DS1000 Hardware Manual
Cabling Requirements
Cable Type Cable Run (ft)
2-wire 26 AWG
2-wire 24 AWG
2-wire 26 AWG
2-wire 24 AWG
2-wire 22 AWG
2-wire 24 AWG
2-wire 22 AWG
2-wire 24 AWG
Section 6: Specifications and Parts ◆ 6-5
Specifications
Notes
650
1000
8,000 at constant 20 mA
12,000 at constant 20 mA
16,000 at constant 20 mA
330
550
1000
6