Nortel Circuit Card Installation Manual page 321

Table 112 indicates how the RR control signal operates with regard to the
DDP2 status.
Table 112
DCH/MSDL Receiver Ready control signals
RR State
ON
OFF
NT5D97 faceplate
Figure 65 on
card. The faceplate contains an enable/disable switch; a DDCH status LED;
6 x 2 trunk port status LEDs; and six external connectors. Table 113 on
page 323
the faceplate and the name and description of the card it is connected to. Also
shown are the names of the LEDs.
NT5D97 Dual-port DTI2/PRI2 card
Condition
D-Channel data rate selected at 64 Kbps
and
PRI2 loop is enabled
and
PRI2 link is not in OOS or Local Alarm mode state
and
PRI2 link is not transmitting a Remote Alarm pattern
and
PRI2 link is not receiving a Remote Alarm Indication
from a remote facility
All other conditions
page 322 illustrates the faceplate layout for the NT5D97 DDP
shows the name of each connector, its designation with respect to
Circuit Card Description and Installation
Page 321 of 906