Black Box COMPACT T1 MT850A - Manual (Page 34)

1-4 Compact T1 - Release 6.1
Base Platform
Service Cards
Service Cards
All Service cards are hot-swapable and can be installed in any of the 6 service slots of
the chassis.
FXS Service card
The FXS service card is an 8 port Foreign Exchange Station line card. Delivers either
outside phone lines or on-premise customer business line services from T1 access
circuits.
FXO Service card
The FXO service card is an 8 port Foreign Exchange Office (FXO) or Dial Pulse
Termination (DPT) line card. Delivers high-density provisioning of Direct Inward
Dialing (DID) or FX0 telephone services from T1 access circuits.
ISDN BRI Service card
The ISDN Basic Rate Interface (BRI) service card is available in a Dual, Quad or Octal
port option. The ISDN BRI service delivery interfaces enable delivery of high-density,
standards based, ISDN BRI services of T1 access circuits.
OCU-DP Service card
The OCU-DP service card is available in a Single or Quad port option. The OCU-DP
interface service allows Digital Data Service (DDS) circuit terminations on the
Compact T1 platform. Provides the electrical and physical termination of a 4-wire DDS
baseband connection which interfaces with a remote CSU/DSU.
Quad T1 Service card
The 4 port T1 service card enables cost-effective provisioning and expansion of T1
bandwidth with full non-blocking digital cross-connection of all timeslots to any Adit
service card. This card requires an Adit system with an T1 Controller.