AT&T DEFINITY 7100 series Bedienungsanleitung PDF herunterladen (Seite 13)

PROTOCOLS (Contd)

PROTOCOL

SDCPI

(V1, V2, V3)

RS-366

V.35

Category A

Coaxial

ISDN PRI

(G1)

MAX.

APPLICATIONS

DATA

MAX.

RATE

DISTANCE

(kbps)

(FEET)

MPDM to AP

64.0 17

Host Computer to ACU

64.0

MTDM to ACU

64.0 17

MPDM to Data Endpoints

56.0

3270 Data Modules to

64.0

500

3270-Type Terminals or

Cluster Controller

3270A Data Module in

9.6

500

ASCII Emulation Mode

Communication Interface

64*

655

to ISDN Interface

to Network

or Repeater

1310

PBX to PBX

The ISDN PRI sends digitized voice and digital data in T1

frames at a 1.544 Mbps rate. Each frame consists of twenty-four 64

kbps channels plus 8 kbps for framing. This represents 23 Bearer

(or B) channels plus 1 Data (or D) channel. The maximum user

rate is 64 kbps for voice and data.

Page 9

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 42 43

AT&T 1
DEFINITY 2
555-200-202, Issue 7 3
ADDENDUM 1, September 1990 3
INTRODUCTION 5
DESIGN BENEFITS 6
(FCC) INFORMATION 7
DUPLICATION OPTION 7
ENVIRONMENTAL REQUIREMENTS 8
EQUIPMENT AND MAXIMUM 10
CABLING DISTANCES 10
CABLING DISTANCES (Contd) 11
PPN CABINET TO EPN CABINET 11
MAXIMUM CABLING DISTANCES 11
PROTOCOLS 12
PROTOCOLS (Contd) 13
TRUNK SPECIFICATIONS 14
TRUNK SPECIFICATIONS (Contd) 15
SYSTEM PARAMETERS 16
SYSTEM PARAMETERS (Contd) 18
INTERFACE CIRCUIT PACKS 25
CONTROL CIRCUIT PACKS 26
CONTROL CIRCUIT PACKS (Contd) 27
PORT CIRCUIT PACKS 30
POWER UNITS 31
POWER UNITS (Contd) 32
DATA MANAGEMENT FEATURES 33
SYSTEM MANAGEMENT FEATURES 33
VOICE MANAGEMENT FEATURES 34
NETWORK SERVICES FEATURES 37
HOSPITALITY SERVICES FEATURES 38
(V3, XEV3, and G1) 38
CALL MANAGEMENT FEATURES 38
REFERENCES 38
REFERENCE DOCUMENTS 39
REFERENCE DOCUMENTS (Contd) 40
555-200-202 43

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