Instruction manual

FUNCTIONAL DESCRIPTION
DATA TERMINAL
EQUIPMENT,
RS-232C
HOST C0MPUTER
SINGLE-LINE
VOICE TERMINAL
Z3A1/2/4
ADU
(2500-SERIES
7101A OR 7102A)
DATA TERMINAL
EQUIPMENT,
RS-232C
TN726
DATA LINE CP
HOST COMPUTER
Z3A5
ADU
MULTILINE
VOICE TERMINAL
(7300H-TYPE)
ATL CORDED
AND CORDLESS
TELEPHONES
CO, FX, WATS
______
PAGING
EQUIPMENT
DID TRUNKS
TIE TRUNKS
T1 CARRIER
PART OF DIGITAL SWITCH
TN726
DATA LINE CP
TN724
ANALOG LINE
CP OR
ZTN78 TIP
RING LINE CP
ZTN79
ATL LINE CP
ZTN76
GROUND START
TRUNK CP
OR
ZTN77
LOOP START
TRUNK CP
TN753
DID
TRUNK CP
TN7608
TIE
TRUNK CP
TN767
DS1
INTERFACE CP
TIME
DIVISION
MULTIPLEX
BUS
LEGEND:
ADU
– ASYNCHRONOUS DATA UNIT
CAS – CALL ACCOUNTING SYSTEM
CO – CENTRAL OFFICE
CP – CIRCUIT PACK
DID – DIRECT INWARD DIALING
DTU
– DIGITAL TAPE UNIT
FX – FOREIGN EXCHANGE
MET – MULTIBUTTON ELECTRONIC TELEPHONE
OPS
– OFF-PREMISES STATION
SAT – SYSTEM ADMINISTRATION TERMINAL
SMDR – STATION MESSAGE DETAIL RECORDING
WATS – WIDE AREA TELECOMMUNICATIONS SERVICE
Figure 3-5. Equipment Connections Via Circuit Pack Ports (Sheet 1 of 3)
3-10
November 1995