TELOS TWOX12 USER’S MANUAL
INSTALLATION
CHAPTER 2 10
Analog TWOx12 version
The Analog version of the TWOx12 has Telco interface cards in slots A, B, C, & D. Each interface
supports three analog telephone circuits using standard RJ-11 style jacks.
ISDN TWOx12 version
The ISDN version of the TWOx12 has Telco interface cards in slots A, B, & C. Each interface
supports two ISDN BRI circuits. Since each BRI has two telco channels (or “Lines”) there are 4
channels per BRI interface card. Connection may be either RJ-45 or RJ-11 style depending on the
country.