Nortel Optical Multiservice Edge 6130 Planning Manual page 122

7-20 Technical specifications
Table 7-19
specifications for connecting E1 and DS1 ports respectively, on the
28xE1/DS1 circuit pack.
Table 7-19
Cable specifications for connecting E1 ports
Feature
Conductor
Insulation
Pairs
Pair groups
Jacket
Cable Groups
Colour Code
Shield
Jacket
Electrical Characteristics
Impedance
Capacitance
Velocity of propagation
Near End Cross Talk
(NEXT) pair to pair
Dielectric Strength
Conductor to Conductor
Core to Sheath
Optical Multiservice Edge 6130
lists the E1 cable specifications and
Physical specification
26 AWG solid tin plated copper
Solid polyolefin
Two conductors twisted into pairs with varying lay length
Four twisted pairs are cabled together
Four pair groups are jacketed with PVC and each group is numbered
8 four pair groups are cabled together
• Pair 1: Orange-White/Orange
• Pair 2: Blue-White/Blue
• Pair 3: Green-White/Green
• Pair 4: Brown-White/Brown
Overall Aluminum/Mylar foil shield with aluminum side facing out. 26
AWG tinned copper drain wire over the foil with a 34 AWG tin plated
copper braid, 65% coverage.
Gray PVC jacket. Overall dimension 15,6 mm Nom.
120+/- Ohms Nom.
13.3 pF/ft Nominal
65% Nominal
53 dB at 20 MHz
2.5 KV DC
2.3 KV DC
NT6Q92MA Rel 1.0 Iss 1 Standard September 2006
Table 7-20 lists the DS1 cable