Figure 2.6 Front View Of Tepri2 - Samsung OfficeServ 7100 series System Description

2.3.2.2 TEPRI2
TEPRI2 provides the digital trunk line. TEPRI2 board provides two ports for ISDN PRI
respectively, and functions as the Q-SIG. This board transmits voice via the trunk line and a
channel transmits the voice data of 64 Kbps.
Main Functions
TEPRI2 voice trunk line board performs the functions below:
 Selection function for PRI signal process through programming
Internal resistance function to enable to satisfy the T1 (100 Ω) and E1 (120 Ω)

impedances
Surge protection over the standard of International Telecommunication Union (ITU)

Output port protection for line monitors

 Jitter function that satisfies ITU-T I.431 and G.703
Providing selectable line codecs (HDB3, AMI)

Local/remote loop function

 Function for the HDLC or Common Associated Signaling (CAS) through the Common
Channel Signaling (CCS)
Specifications
The specifications of TEPRI2 voice trunk line board are as follows:
Two trunk line ports

PRI: 30 channels or 23 channels

Front View
The front view of TEPRI2 voice board is shown in the figure below:
© SAMSUNG Electronics Co., Ltd.
P1 P2 LAN

Figure 2.6 Front View of TEPRI2

OfficeServ 7100 System Description
RUN
CLK
RST
SIO
SYN1 LOS1 AIS1 L21 TP1
SYN2 LOS2 AIS2 L22 TP2
TEPRI2
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