Installing Tie Lines3 - NEC Aspila EX Hardware Manual

CÔNG TY VIỄN THÔNG VIỆT PRO
INSTALLING TIE LINES
Tie Line: 4TLIU
• When using the TLIU PCB, the PBX and Earth grounds must be connected as described on
page 1-32 or the trunks will not function correctly.
Installing 2-wire/4-lead Tie Lines:
1.
2.
3.
Aspila EX Hardware Manual
Chuyên phân phối tổng đài NEC
Section 3: Installing Extensions and Trunks
For each trunk, run two-pair cable from the PSTN Network Termination point to the TLIU
PCB. Refer to Tie Line (4TLIU) PCB (Figure 2-14) (page 2-28) for details of the RJ61 con-
nector pin outs.
Note that two pins of the RJ-61 connector are not used for 2-wire tie lines.
RJ61 Cable Connector - 4-Wire E&M, CN100 - CN400
Pin No.
Make sure the strapping on the 4TLIU PCB is set to the proper type (2-wire or 4-wire and
Type I, II, III, IV or Type V).
Plug in the corresponding RJ-61 connector to the 4TLIU PCB connector.
! Important !
Connection
1 SB
2 M
3
4 R
5 T
6
7 E
8 SG
Section 3: Installing Extensions and Trunks
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Description
Ground wire for control
Control signal to trunk
Voice signal both ways
Voice signal both ways
Control signal from trunk
Ground wire for control
3
3-9