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INSTALLATION INSTRUCTIONS
SECTION 200-255-204
FEBRUARY 1992
PDIU-DI (BOmOM VIEW)
DIP SWITCH
ACCESS FROM BOTTOM
- OUTSIDE OF PDIU-DI
DIP SWITCH SWI BACK VIEW
(ACCESS FROM BACK
PDIU-DI DIGITAL TELEPHONE BASE
1 OUTSIDE OF PDIU-DS)
PDIU-DS (REAR VIEW)
I
DB25 CONNECTOR (FEMALE)
MODULAR
FOR DTE OR DCE RS-232
CONNECTOR
CABLE CONNECTION
FOR NDKU LINE
CONNECTION
PDIU-DI AND -DS SW1 DIP SWITCH
(1 .. 4) FUNCTIONS
SWITCH
SW1
(1)
SW1
(2)
SW1
(3)
SW1
(4)
FUNCTION
Forced hang up when DIU does not
detect space signal on TD or RD for
about 9 minutes
INITIAL
POSITION
OFF
ON: enable (auto-disconnect)
OFF: disable
DCD, DSR control
ON: continuous on
OFF: DSR depends on DTR
(DCD is on during
communication state)
RI control
OFF
ON: RI is on continuously
during
ringing state
OFF: RI is 1 set ON/3 set OFF
during ringing state
RTS control
ON: DTE doesn' t have RTS signal
OFF: DTE has RTS signal (ready/busy
flow control: RTS/CTS:DCD1
OFF
FIGURE 4-55-PDIU-DI/PDIU-DS SW1 DIP SWITCH INFORMATION
4-44
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