OpenVox B100E, Руководство пользователя

Страница: 29 / 30

B100E on DAHDI User Manual
OpenVox Communication Co. LTD. URL: www.openvox.cn
28
available. In most cases, power is not provided from the telephone
company.

BRI S-Interface
8-pin RJ45 port PIN Color Description
1 8
1 White/Orange N/A
2 Orange N/A
3 White/Green
4 Blue Tr
5 White/Blue Transmit -
6 Green Receive -
7 White/Brown -48VDC Power(optional)
8 Brown -48VDC Return (optional)
The BRI S-Interface is a 4-wire interface, with separate Transmit and
Receive pairs. It can be operated in four modes:

Point-to-Point Mode allows one logical terminal that may be up to 1
KM from the NT-1

Short Passive Bus Mode allows connection of up to 8 terminals in
parallel on the S/T bus. The terminals can be within 100 to 200 meters
from the NT-1.
VoIPon www.voipon.co.uk sales@voipon.co.uk Tel: +44 (0)1245 808195 Fax: +44 (0)1245 808299