478 NT7D16 Data Access card
•If the DACis used to call out through modem pooling, where the modem
pool consists of dumb modems connected to QMT8 SADM or QMT12
V.35SADM, the DAC port should be configured with a secondary DN,
which has a single appearance.
•The Virtual keys must be assigned as shown in Table186 "Vir tual key
assignments" (page 478).
Table186
Virtual key assignments
Key number
Feature key SL-1 SL-100 Use
Data DN 00
Required
Secondary DN 11
Required for manual
modem pooling
Call Transfer 2—Required for manual
modem pooling
Auto Dial 32
Required for Hotline and VLL
Ring Again 46
Optional
Speed Call 53Optional
Display 6—Required
Make Set Busy 77
Optional
Power supply
Be sure that all power requirements are met before installing the DAC.
Operation maybe affected by improper power and environmental conditions.

EIA signals supported

The DACsuppor ts a subset of the standard signals. Only 8 leads can be
brought through the backplane connector for each port, totaling 48 leads
for each card slot. Table 187 "EIA signals supported (RS-232-C)" (page
478) lists the EIA signals supported on this card.
Table187
EIA signals supported (RS-232-C)
EIA DB-25
Pin Signal
abbreviation Description DCE
mode DTE
mode
BA 2TD Transmitted Data In Out
BB 3RD ReceivedData Out In
CB 5CTS Clear To Send Out In
Note: RS-422 leads supported are: Tx (transmit) and Rx (receive).
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23May 2008
Copyright© 2003-2008, Nor tel Networks
.