![](/images/new-backgrounds/1150682/150682325x1.webp)
DIRECT DIGITAL INTERFACE
6.The DTI can be provided with circuit cards to interface with T1 carrier.
7.The DTI boards are mounted in the AP board slot of the Port Interface Module (PIM).
8.The following two methods may be used for network synchronization (see below):
a.Source - Receiver System (Source)
b.Source - Receiver System (Receiver)
S
NEAX2400 IMX
SS![](/images/new-backgrounds/1150682/150682325xi2.webp)
SS
R R
NEAX2000 IVS2/
NEAX2400 IMX
S Source office
SS
R Receiver office
LR | Local Receiver office | |
|
| Direction of clock signal supply |
|
|
LR LR
LR
NEAX2000 IVS2
S
SS SS
R R
S Source office
SS
R Receiver office
Direction of clock signal supply
9.The maximum number of trunks for DTI is 240 ports (10 24 DTI boards:24 ports/DTI board or 8 30 DTI boards, 30 DTI: 31 ports/DTI card). The total number of ports (DTI and other AP) must be less than 256 ports.
10.The NEAX2000 IVS2 includes
| NEAX2000 IVS2 |
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