SYSTEM 25

CABINET

ZTN78

OR

TN742

TN726

PART OF OCTOPUS CABLE

— — —

C2

— — —

— — —

— — —

C2

— — —

— — —

PART OF SIP

ADAPT

SIP

M1

 

 

(WP90851-L1)

ADAPT

 

 

 

 

 

 

 

 

 

 

B1

Z3A1

ADU

RSS232

TERMINAL

C5

L E G E N D :

ZTN78 - TIP RING LINE CP

TN742

-

ANALOG

LINE

CP

TN726

-

DATA

LINE CP

B1

-

TYPICAL -103A CONNECTING BLOCK *

C1

-

MODULAR CORD (D8W-87) - PEC 2725-07G

C 2

-

OCTOPUS CABLE (WP90780) - PEC 2720-05P

C 5

-

MODULAR CORD (D4BU-87) - FURNISHED WITH SET

W1

-

INSIDE

WIRING

CABLE *

W P 9 0 8 5 1 - L 1

-

MODULAR Y ADAPTER - PEC 2750-T05

Z3A1 ADU

-

E/W 3 FT PLUG

ENDED EIA CORD PEC 2169-001

SINGLE-

LINE SET (NOTES)

NOTES :

1.IF RANGE IS GREATER THAN 2000 FT FROM SYSTEM CABINET- TERMINAL DATA RATE (SPEED) WILL BE LIMITED

2.IF RANGE IS LESS THAN 2000 FEET FROM SYSTEM CABINET USE ZTN-78. IF RANGE IS MORE THAN 2000 FEET BUT LESS THAN 1300 OHM

(LOOP RESISTANCE) FROM CABINET USE TN-742

*FURNISHED BY INSTALLER

INCLUDES TELEPHONE/TERMINAL

Figure 4-28. Typical ADU Connections— Supporting Data Terminal And Single-

Line Voice Terminal

4-59

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Image 394
AT&T AT&T manual ZTN78 TIP Ring Line CP