Panasonic 524X07801B manual CO Trunk Interface Ground Start, CO Trunk Interface Isdn BRI

Section 700 - Operation Chapter 3. System Features

Considerations

•The DID Trunk card supports 1 to 4-digit dial-pulse (10 pps) or Dual Tone Multifrequency (DTMF) signaling.

•DID numbers must be between 0 and 9999.

CO Trunk Interface - Ground Start

Ground start trunks are supported in the System with the VB-44511 Loop Start/Ground Start trunk interface. Each card supplies 8 circuits that can be individually configured for either loop start or ground start operation.

Ground start trunks are useful in preventing call collision.

Hardware Requirements

•When ground start trunks are used, the -48V power supply is required.

Related Programming

•N/A

Considerations

•N/A

CO Trunk Interface - ISDN BRI

The System supports ISDN BRI with the VB-44530 ISDN BRI interface unit. The VB-44530 is a T- Point ISDN-BRI that supports 2 B (bearer) channels and 1 D (data) channel (2B + D; 192kbps). This unit connects to an ISDN Data Service Unit (DSU). Point-to-point and point-to-multi operations are selectable.

The ISDN-BRI supports enblock setting and enblock setting at the sub-address.

Hardware Requirements

•N/A

Related Programming

•N/A

Considerations

•A DSU is required (not available from Panasonic).

CO Trunk Interface - ISDN-PRI

The System supports ISDN-PRI with the VB-44540 ISDN PRI Interface unit. The VB-44540 is a T/S- Point ISDN-PRI that supports 23 B (bearer) channels and 1 D (data) channel (23B + D; 1544kbps). This unit connects to an ISDN DSU.

Up to 3 units may be installed in a cabinet if you use full channel (23B + D or 24 B). A maximum of 18 units may be utilized in a fully equipped system. When all 24 channels on a unit are utilized, 3 slot positions are required.

Hardware Requirements

•N/A

576-13-700 DBS 576 (USA), Revised 6/11/98 35