Mitel MIVOICE OFFICE 250, Руководство по установке и администрированию

Страница: 190 / 585

MiVoice Office 250 Installation and Administration Guide
162
connectors on the ends of each line cord are properly attached. If any of the wires are cracked
or broken, transmission problems can occur.
Method C – T1/PRI Trunks Terminated on a 66-Type Block
To install the T1/PRI trunks terminated on an 66-type block:
1.
On the MDF backboard, mount one eight-conductor modular jack [line jack unit] assembly for
each T1/PRI trunk termination on the service provider 66-type block(s). See Figure 3 on
page
163
for a diagram of the complete layout.
2. Connect T1 cable between the service provider [network provider] terminations and the corre -
sponding modular jack [line jack unit] assemblies as follows:
a. Terminate one end of a four-pair cable on each modular jack [line jack unit] assembly. See
Figure 4 on
page 162
.
Figure 3: T1/PRI or E1/PRI Terminations from RJ-48C [RJ45 in Europe] Jacks
Figure 4: Modular Jack [Line Jack Unit] Assembly Wiring for T1/PRI Trunks
T1 Cable
8-Conductor
Modular Jack [Line Jack Unit] Assemblies
RJ-48C
Jack
To
Telco
To
Module
in Chassis
Four-Pair
Non-Reversing,
Mod-To-Mod
Line Cord
Four-Pair
Non-Reversing,
Mod-To-Mod
Line Cord
Modular Jack
T1 Module
RJ-48C Jack
G Y BR S
R BK
O
BL
1
2
3
4
5
6
7
8
R1
T1
R
T
1
3
5
7
2
4
6
8
5 6
7 8
4
3 2 1
OUT = transmit to network
IN = receive from network
Four-Pair
Non-Reversing,
Mod-To-Mod
Line Cord
Assembly
TIP 1
(IN)
RING 1
(IN)
RING
(OUT)
TIP
(OUT)
[Line Jack Unit]