One80XM
Chapter 4
Installation Guide
Interface Description
24
4.2
SHDSL Line Specifications
• Single pair, dual pair, 4 pair line access
• Connector: RJ45
• Impedance: 135
Ω
• Cable to be used: 2*2*CAT5E twisted pair
• Coding: TCPAM, compliant to ITU-T G.991.2; G.SHDSL, and G.SHDSL.bis via TCPAM-16 and
TCPAM-32
• Line speeds:
- Single pair: 192 … 5696 in steps of 64kbps
- Two pair: 384 … 11392 in steps of 128kbps
- Four pair: 768 … 22784 in steps of 256kbps
• Handshaking: compliant G.994.1 (automatic speed negotiation) or fixed speed
• Performance monitoring: compliant G.826 (errored seconds, severely errored seconds, unavailability
seconds)
The line connector lay-out
The following table shows the connector layout of the RJ45 line connector (for 4 pair versions):
Pin
Signal
Figure
1
line 2
2
line 2
3
line 3
4
line 1
5
line 1
6
line 3
7
line 4
8
line 4
Содержание One80XM
Страница 1: ...One80XM Installation Guide Version 1 0 501960 1080 00 T 4025321D00 ind A 6 November 2008 ...
Страница 13: ...One80XM Chapter 2 Installation Guide Directives and Standards 13 ...
Страница 29: ...One80XM Chapter 4 Installation Guide Interface Description 29 ...
Страница 37: ...One80XM Chapter 6 Installation Guide Installing the One80XM 37 Wall mounting ...
Страница 38: ...One80XM Chapter 6 Installation Guide Installing the One80XM 38 Bottom plate of the One80XM with mounting holes ...
Страница 41: ...One80XM Chapter 7 Installation Guide Powering up the One80XM 41 ...
Страница 42: ...One80XM Annex 42 Annex ...
Страница 43: ...One80XM Annex 43 ...
Страница 45: ...One80XM Annex A Annex Console Cable 45 ...
Страница 47: ...One80XM Index Index 47 ...