CHAPTER 2.
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2-22
© SAMSUNG Electronics Co., Ltd.
Specification
The 16TRK provides 16 trunk line ports.
Front View of the 16TRK
The front view of the 16TRK is shown in the figure below
Figure 2.12 Front View of the 16TRK
The components on the front panel of the 16TRK have the functions below:
Table 2.15 Ports of the 16TRK
Port
Function
P1~16
Trunk Line Port
2.3.2.6 4HTRK
The 4HTRK (Hybrid Trunk) provides 4 ports of analog trunk line, and can support the DID,
E & M and R/D paths within a single board. It provides the voice though the trunk line;
each channel supports 64 Kbps voice data transmission.
Major Functions
The 4HTRK performs the functions below:
DID Battery Feed Circuit (Relay Control)
DID Battery Reverse Signal Control Circuit (Relay Control)
DID Off-Hook Detection Circuit
DID Voice Interface Longitudinal Circuit (Relay Control)
R/D Ring Sending Signal Control circuit (Relay Control)
R/D Ringer Circuit (80 Vrms 20 Hz)
R/D Ring Incoming Detection Circuit
E & M Off-Hook Detection Circuit
E & M D/P Outgoing circuit
16TRK
P1
P9
P2
P10
P3
P11
P4
P12
P5
P13
P6
P14
P7
P15
P8
P16
