AT&T DEFINITY 555-230-223 - Manual (Page 38)

Installation
GROUP 311
CABLE
SWITCH
ALARM
BOARD
MFB
Y-CABLE
ADMIN/PORT B
MAIN/PORT A
MULTI-
BOARD
FUNCTION
ALB
CABLE
NULL
MODEM
SEE NOTE
NOTE: NULL MODEM NOT REQUIRED WHEN
CONNECTING TO 715 BCT DCE PORT
GROUP 311
CABLE
MODEM
TIP/
RING
AT&T SERVICES REMOTE ACCESS
Figure 2-8. Installing a Terminal via Direct Connection
NULL
MODEM
NULL
MODEM
116A
DCE DTE
116A
DCE DTE
DTE CONNECTION
NULL
MODEM
GROUP
311
DCE CONNECTION
GROUP
311
DCE
DTE
DC SWITCH
ONLY
MULTI-
FUNCTION
BOARD
MFB
Y-CABLE
ADMIN/PORT B
MAIN/PORT A
NULL
MODEM
116A
DCE DTE
NULL
MODEM
GROUP
311
Figure 2-9. Installing a Terminal via Direct Connection (DC Switch Only)
Issue 1 January 1996 2-19