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Operating modes

427

Table 179
DAC mode of operation selection

Service changeable downloadable parameters (LD 11)

Operation
mode

Modem/
Gateway/
Host/KBD

Forced
DTR*

Hotline

Type of device
to be connected

Group selection

DEM

PRM

DTR

HOT

0 (DTE)

OFF
"Host On" (Ri
ng Indicator
— RI)

OFF
Not
Forced

OFF
Not
Hotline

Modem Pool
inbound and
outbound (similar
to Synchronous
/ Asynchronous
Data Module
(SADM) in
inbound) MSB
by RI

Modes 0, 1, 2,
and 3 are for
RS232 modem
connectivity

1 (DTE)

OFF
"Host On"
(RI)

OFF
Not
Forced

ON
Hotline

Modem Pool
inbound only
(Hotline by RI-
similar to SADM)

2 (DTE)

OFF
"Host On"
(RI)

ON
Forced

OFF
Not
Hotline

Modem Pool
inbound and
outbound (for
Hayes 1200
modem) MSB
by RI

3 (DTE)

OFF
"Host On"
(RI)

ON
Forced

ON
Hotline

Modem Pool
inbound only
(Hotline for Hayes
1200 modem
only)

4 (DTE)

ON
"Keyboard
Dialing
(KBD) On"
(No RI)

OFF
Not
Forced

OFF
Not
Hotline

Gateway inbound
and outbound
(DTR is OFF in
idle state) MSB
by Carrier Detect
(DCD)

Modes 4, 5, 6,
and 7 are for
RS232 Gateway
connectivity

5 (DTE)

ON
"KBD On"
(No RI)

OFF
Not
Forced

ON
Hotline

Gateway inbound
only (Hotline by
DCD: ON for
Hotline
OFF for Virtual
Leased Line (VLL)

* Not prompted for Type = R422. Defaults for Type = R422: DEM = DCE and DTR = OFF.

Nortel Communication Server 1000

Circuit Card Reference

NN43001-311

01.04

Standard

Release 5.0

23 May 2008