User's Manual

Doc. No.
Rev.
Date
DRAFT
1.01
2012-01-27
Damm Cellular Systems A/S, Denmark
TetraFlex
®
7.5 Manual - IP Backbone network layout and
configuration
TetraFlex® 7.5 Manual 2-152
BSC 1 TR 1
Node 001 172.16.1.h
WAN
LAN
WAN
LAN
Backbone Network
PBX
BSC 2
BSC 1 BSC 2 TR 1 TR 2TR 2
Node 002 172.16.2.h
Log Server
Application
Cisco Router
Rendezvous
Cisco 1841 Cisco 1841 Cisco 1841 Cisco 1841
Terminal Server
BSC 1 BSC 2
Firewall
Work Station
Application VPN
SIP IP 800IP 3000
Telephone
InternetISDN
10.x.x.x
LAN
WAN
Figure 2-52: Backbone network principle
2.16.3 Backbone network physical connection
2.16.3.1 Outdoor/SB421
Installation of connection to router backbone for multinode TetraFlex is done via terminal
points LAN_IN and LAN_OUT on the LAN+WAN connector of the below shown module.
Connection is made from pins 8/7 and 6/5 using cat5 or cat6 networking cable and to the
designated port on the router.
Please refer to section 1.1.4.5.8 for the full pin out of the cabling.
2.16.3.2 Indoor/BS41x
Internally in the BS41x rack the cabling for the LAN (and WAN) is connected to the
connection box at the rack top.
For making connection from BSC LAN port – connect a cat5 or cat6 cable from the
corresponding connector BSC1 or BSC2 LAN on the connector box to the designated LAN
port on the router.