AT&T DEFINITY 7100 series Manual de usuario Pagina 15

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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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