AT&T DEFINITY 7100 series Manuel d'utilisateur télécharger pdf (Page 15)

TRUNK SPECIFICATIONS (Contd)

TRUNK

TYPE

DS1 Trunk

ISDN PRI

DS1 Interface

(G1)

CIRCUIT

PACK

TN722B

TN767

SPECIFICATIONS

Capacity: 24 Trunks for Voice Grade Service.

23 Trunks for Alternate Voice/Data

Service or DMI. One Trunk Used

for Signaling. Supports tie line

service only for trunking.

Mode: Multiplexes 24 or 23 Trunks

onto 1 Facility and Demultiplexes 1

Facility into 24 or 23 Trunks

Speed: Trunks at 64 kbps,

1 Facility at 1.544 Mbps

Signaling: DS1 Over 4-Wire

Capacity: 24 Trunks for Voice Grade Service.

23 Trunks for Alternate Voice/Data

Service or DMI. One Trunk Used for

Signaling. TN767 can transmit ISDN PRI

I.451 signaling on all 24

channels transparently. Supports

tie trunks, CO, FX, DID, and OPS.

Mode: Multiplexes 24 or 23 Trunks

onto 1 Facility and Demultiplexes 1

Facility into 24 or 23 Trunks

Speed: Trunks at 64 kbps,

1 Facility at 1.544 Mbps

Signaling: DS1 Over 4-Wire

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AT&T DEFINITY 7100 series Manuel d'utilisateur Page 15