Nortel Circuit Card Installation Manual page 440

Page 440 of 906
Table 157
DAC mode of operation selection (Part 5 of 5)
Service changeable downloadable parameters (LD 11)
Modem/
Operation Gateway/
mode Host/KBD
DEM PRM
14 (DCE) ON
"KBD On"
(prompts
on)
15 (DCE) ON
"KBD On"
(prompts
on)
* Not prompted for Type = R422. Defaults for Type = R422: DEM = DCE and DTR = OFF.
Selecting the proper mode for Modem connectivity
553-3001-211 Standard 3.00
NT7D16 Data Access card
Forced
DTR*
DTR
ON
Forced
ON
Forced
Select modes 0, 1, 2, and 3 when the DAC is connected to different types of
modems for inbound and outbound modem pooling. In these modes, the DAC
operates as a DTE, monitors the DSR, DCD, and RI control leads, and drives
the DTR lead. No menus are given and no characters are echoed when DCD
is OFF. All prompts and messages are enabled for inbound calls and disabled
for outbound calls.
In modes 0 and 1, the DAC drives the DTR lead OFF when in the idle state,
and ON when processing an incoming or outgoing call.
In modes 2 and 3, the DAC drives the DTR lead ON except when the call is
being disconnected. At disconnect, DTR is dropped for 0.2 seconds and then
returns to ON.
August 2005
Type of device
Hotline to be connected
HOT
OFF Terminal similar to
Not ASIM when set to
Hotline forced DTR and
Not Hotline
On Continuous Hotline
Hotline when DTR is ON
Group selection
Modes 12, 13, 14,
and 15 are for
RS232 Terminal
connectivity
(similar to ASIM)