OfficeServ 7100 System Description
© SAMSUNG Electronics Co., Ltd.
2-11
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:
Figure 2.6 Front View of TEPRI2
RST
TEPRI2
P1
AIS1
TP1
AIS2
TP2
P2
LAN
SIO
RUN
CLK
SYN1
SYN2
LOS1
LOS2
L21
L22