AT&T DEFINITY 7100 series Uživatelský manuál stáhnout pdf (Strana 106)

TRUNK SPECIFICATIONS

TRUNK

CIRCUIT

SPECIFICATIONS

TYPE

PACK

ISDN PRI

TN767

Capacity: 24 Trunks for Voice Grade

DS1 Interface

Service 23 Trunks for Alternate

Voice/Data Service or DMI, One

Trunk Used for Signaling. TN767

can transmit ISDN PRI I.451

signaling on any of the 24 chan-

nels transparently.

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

32 Channel

TN464 Capacity: 32 channels for Voice Grade

DS1 Interface

Service 30 channels for Alternate

Voice/Data Service with Channel

Associated Signaling, with Chan-

nel 16 for signaling and Channel 0

for framing

Mode: A-Law or µ-Law; Multiplexes to

Connect µ-Law 24 Channel Facilities

with A-Law 32 Channel Facilities

Speed: 2.048 Mbps

Signaling: DS1 Over 4-Wire

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AT&T DEFINITY 7100 series Uživatelský manuál Strana 106