CHAPTER 3 NDA-24296
Page 448
Revision 1.0
PA-SDTB
SDH/SONET Digital Trunk

PA-SDTB

SDH/SONET Digital Trunk

1. General Function
The PA-SDTA circuit car d provi des a maximum of 28 interf ac e (1.5 Mbps) used with the f iber optic cable.
This card also has the MUX functi on and is connected directl y to the TSW card. This card is used with the
PA-SDTA card.
Figure 3 -130 Lo cation of PA-SDTB (SDT) Ca rd in the System
F u s i o n
Node-A
Fiber Optic Cable
Fiber Optic Cable
For Dual Configuration
Connection Link (Data Link)
Connection Trunk (Speech Path)
Internal LAN
FCH
S
D
T
B
Node-B
Internal LAN
S
D
T
B
FCH
+
Fusion Link with FCCH
Fusion Link without FCCH
F u s i o n
Node-A
Internal LAN
Node-B
) SDT: SDH/SONET Digital Trunk
FCH: Fusion Call Control Handler

*

Fiber Optic Cable
Fiber Optic Cable
For Dual Configuration
Connection Trunk (Speech Path)
S
D
T
B
S
D
T
B
SDTA
SDTA
SDTA
SDTA
SDTA
SDTA
SDTA
SDTA