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Install ISDN BRI hardware Page 17 of 46
ISDN Basic Rate Interface Installation
• In each module, install a maximum of 15 SILCs, or eight UILCs
combined with any other seven peripheral cards (including SILCs). If 15
SILCs are installed, the remaining slots in the module may contain a
BRSC, a UILCs or non-ISDN BRI cards that do not need the - 48 V
power supply of the IPE module (this restriction is due to power supply
limitations for the module). If 8 UILCs are used, you may install any
other card which could reside in the IPE module.
• Group all SILCs, UILCs, BRSCs and the MISP that supports them in the
same network group to avoid using junctors for dedicated connections.
The figures that follow show typical module configurations.
Figure 1 shows the NT8D35 Network module.
Figure 2 shows the NT8D37 IPE module.
Figure 3 shows the NT5D21 Core/Network module.
Figure 1
NT8D35 Network module
CE Module Net
Common Equipment
3PE IGS 1 IGS 0 PS SLP
1234567891011121314
CE Pwr Sup SLP SLP SLP
Network Group
Shelf
553-3082
DCHI (5-13)
MSDL (5-13)
MISP
PRI/DTI (5-9)
SDI
CE Module Net
Common Equipment
3PE IGS 1 IGS 0 PS SLP
1234567891011121314
CE Pwr Sup
QPC441 3-Port Extender
QPC412 InterGroup Switch
QPC43 Peripheral Signaling
SLP SLP SLP
Network Group
Shelf
QPC412 InterGroup Switch
PRI/DTI or SDI
PRI/DTI
DCHI (5-13)
MSDL (5-13)
MISP
Network-type cards:
NT8D04 Superloop Net
QPC414 Network Card
NT8D17 Conference/TDS
PRI/DTI (5-9)
SDI
553-7692