Lucent Technologies PortMaster - Manual (Page 238)

Overview of Example Configuration
15-2 PortMaster Configuration Guide
used as a console, or with an external modem and a straight-through cable connected,
as an additional dial on-demand port for multiline load balancing during peak traffic
periods.
Figure 15-1 Office-to-Office Dial-On-Demand Configuration
The PortMaster ISDN Office Router OR-U has an ISDN BRI port designated S1/S2
instead of a PCMCIA modem port. The ISDN port can be used for ISDN dial-on-demand
connections.
System Link Network PortMaster Office Router
PortMaster
11820008
11820008
London
Paris
workstation 2
workstation 1
workstation 2 workstation 1 workstation 3
external
external modem
PortMaster
PCMCIA modem
modems
attached to
console port
Office Router