Chapter 3: Setting Up and Installing
Perle 833IS User Guide 25
Feature Cards
The 833IS can hold up to two Feature cards. The card in Slot 1 is called the System
card, and the card in Slot 2 is called the Expansion card. The system card must be
present in the 833IS, but the Expansion card is optional. Both cards come with
different interfaces as described below.
System Card The System card is the main processing card for the 833IS. It is always located in
Slot 1.
The following system cards are currently supported:
Card name Interfaces supported
BRIU56E 4 ISDN BRI U-interface, 8 56K modems, 10/100 Mbit
Ethernet
BRIU56T 4 ISDN BRI U-interface, 8 56K modems, Token Ring
BRIS56E 4 ISDN BRI S/T-interface, 8 56K modems, 10/100 Mbit
Ethernet
BRIS56T 4 ISDN BRI S/T-interface, 8 56K modems, Token Ring
BRIUE 4 ISDN BRI U-interface, 10/100 Mbit Ethernet
BRIUT 4 ISDN BRI U-interface, Token Ring
BRISE 4 ISDN BRI S/T-interface, 10/100 Mbit Ethernet
BRIST 4 ISDN BRI S/T-interface, Token Ring
System Card