Connecting To The External Bus Interface - Digi PortServer II User Manual

Connecting to the External Bus Interface

PortServer II includes an External Bus Interface that permits connections to up to
three external modules providing additional serial ports. Compatible external modules
from the Digi International range of PORTS modules include:
• PORTS/16em. Provides sixteen additional serial ports.
• PORTS/8em. Provides eight additional serial ports.
• PORTS/8emp. Provides eight additional serial ports and one parallel port.
The connecting cable required is provided with the PORTS module and you should
refer to the PORTS documentation for installation instructions.
An example configuration is shown below, with two PORTS/16em modules
connected to a PortServer II. This arrangement provides 48 serial ports, 16 on
PortServer II, and 16 on each PORTS module.
Page 52
Figure 21 PortServer II and Expansion Modules
Installation 90030500B