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Table b–2 – Paradyne Jetstream CPX-1000 User Manual

Page 142

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B. Pin Assignments and Indicators

1000-A2-GN22-00

B-4

February 2003

Ethernet LAN
(10Base-T or 100Base-T)

Physical interface:

CAT-5 or equivalent cable

Termination: RJ-45

plug

Bonding network environment

Common, integrated ground plane, multi-point ground.

–48 VDC plant battery and return

Minimum 14 AWG wires (total of four), stranded or
solid; up to 40 feet maximum from the plant battery
distribution point.

Terminate using LCC or LCD compression lugs (with
two #10 screw holes).

Range:

−40 VDC to −72 VDC

Turn On:

−38.5V to −41V

Turn On surge current: 40A (with two power supplies
installed) at

−40 VDC, for duration <4 ms

Frame ground

Stranded copper wire; must be larger than the wire size
used for –48V power and ground wiring (6 AWG
recommended). This cable must be fitted with a Type
LCC or LCD dual-lug compression connector on one
end, for attachment to the CPX-1000 shelf.

All connections must be tin-coated copper crimp lugs.

Alarm output connections

22-gauge solid wire for dry contact closures to an
external alarm monitoring system.

Table B–1. Connection Requirements and Physical Layer

Specifications (Continued)

Connections

Cables, Connectors, and Specifications

Table B–2. Ethernet LAN Jack Pin Assignments

Pin

Signal

Pin

Signal

1

Tx (+) to LAN

5

Not connected

2

Tx (

−) to LAN

6

Rx (

−) from LAN

3

Rx (+) from LAN

7

Not connected

4

Not connected

8

Not connected