
Chapter 1. Introduction
ATLAS 550
PBX
Router
T1
Frame
Relay
Frac T1 | Router |
TSU 100e
Frac T1
Router
TSU 100e
PBX
Frac T1 | Router |
TSU 100e
PBX
Figure 1-2. Frame Relay Circuit
Router
The ATLAS 550 router uses the Ethernet port to transmit local area network (LAN) traffic over the wide area network (WAN) to a remote LAN. By inte- grating the router into the network access device, you benefit from the cost savings of not requiring an external router. Figure
ATLAS 550
PBX
L
A
N
PC
T1
Frame
Relay
L
A
N
Frac T1 | PC | |
| ||
TSU 100e |
| |
w/ router module |
| |
Frac T1 | L | |
A | ||
| ||
| N |
| PC |
TSU 100e |
|
w/ router module |
|
L | PBX |
A |
|
N |
|
Frac T1 | PC |
| |
TSU 100e |
|
w/ router module | PBX |
Figure 1-3. Frame Relay Circuit with Internal Routers
Access Switch
The ATLAS 550 includes an advanced access architecture for switching dialup calls to specific ports or DS0s. As an access switch functioning in
ATLAS 550 User Manual |