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Telos Zephyr Xstream Two-Way Radio User Manual

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USER’S MANUAL

Appendix 9 – Modular Cable Guide 342

ISDNSInterfaceCablePin‐out

TheSinterfaceisstandardizedaroundtheworldandinmostcountriesistheonlydesignated

ISDNterminationforendusers.Itspecifiesan8‐conductor8‐positionminiaturemodular(RJ‐

45style)plugwith4pairsasshownbelow(IdenticaltoTIA/EIA‐568‐AT568A).Unshi

elded

twistedpaircategory3(orhigher)cableshouldbeused.Werecommendcategory5cable.The

cabledetailsareshownbelow:

BRI S Interface cable.

Note:Pin1istotheleftwhenviewedasabove(withpinsfacingyouandatthetop).



ISDNSinterfacecable(Worldwide)

PIN COLOR DECRIPTION PIN

1 White/ Green PS 3 power +/ground (Optional) 1

2 Green PS 3 power - (Optional) 2

3 White/Orange Xmt (TE to NT1) to Network + 3

4 Blue Rcv (NT1 to TE) from Network + 4

5 White/Blue Rcv (NT1 to TE) from Network - 5

6 Orange Xmt (TE to NT1) to Network - 6

7

A

White/Brown PS 2 Power 48 VDC – (Optional) 7

8

B

Brown PS 2 Power +/ground (Optional) 8

Note A – Not used in Telos products

Note B – Optional, not required if remote PS2 power is not needed

ISDNSinterfacecablewiringdiagram.Bothendsarewired

identically.

h

HOT TIP

This cable has 4 twisted pairs wired “straight through” just like many cables

normally used for Ethernet 10Base- T. The wiring configuration is the same as

TIA/EIA- 568- A T568A (T568B is electrically equivalent).

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