Nortel Optical Multiservice Edge 6130 Planning Manual page 123

Table 7-20
Cable specifications for connecting DS1 ports
Feature
Conductor
Insulation
Pairs
Pair groups
Jacket
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
For applications with the 28xE1/DS1 circuit pack, right routing E1 or DS1
cables must be used. The cable connectors for the right routing cables must
comply to the specifications provided in
page 7-23
Table 7-21
Connector specifications for right routing E1/DS1 cables
Feature
Connector
Connector type
Latching hardware
Component
Physical specification
24 AWG solid tin plated copper
Solid polyolefin or solid Polyethylene
Two conductors twisted into pairs with varying lay length
32 twisted pairs are cabled together
32 pair groups are jacketed with PVC
Refer to Table 7-15 on page 7-12
24 AWG tinned copper drain wire over the foil with a 34 AWG tin plated
copper braid, 65% coverage.
Gray PVC jacket. Overall dimension 14.0 mm Nom.
100 +/- 15 Ohms Nom.
13.3 pF/ft Nominal
65% Nominal
53 dB at 20 MHz
2.5 KV DC
2.3 KV DC
for more details.
Physical specification
64 POS Male AMP Champ (0.085) or equivalent 'key telephone'
connector
4-40 screws - 2 places
Minimum 30uin Au over 50uin Ni plating on contacts
Planning Guide NT6Q92MA Rel 1.0 Iss 1 Standard September 2006
Technical specifications 7-21
for colour coding information
Table 7-21. Refer to Figure 7-5 on