Mitel MIVOICE OFFICE 250, Installation And Administration Manual

Page: 184 / 585

MiVoice Office 250 Installation and Administration Guide
156
• In Figure 16 on
page 155
, the split to achieve two loop start ports occurs at the MDF using
modular jacks.
For additional lightning protection, install gas discharge tubes with silicon avalanche suppressors
to ground (grounding rod or copper cold water pipe) on each CO trunk. This must be done external
Figure 17: Cabling Option 1 – LSM-4
Figure 18: Cabling Option 2 – LSM-4
1
2
3
4
5
6
not used
not used
T 1
R 1
T 2
R 2
8P/8C 110 Patch
8P/8C 110 Patch
66M1-50
Block
Adapter
6-pin plug
4- or 6-conductor
modular line cord
8P/8C 110 Patch Panel Back
1
2
T-1
2
3 5
6 7
8 9
10
11
12 13
14 15
16 17
18
R-1 T-2 R-2
T-1 R-1 T-2 R-2
1
2
3
4 6 8
5 7
3
4
LS 1
LS 2
SL 1
SL 2
8-pin Jack
6-pin Plug
RJ-14
to 8-pin jack
8-pin Jack
6-pin Plug
Adapter
NO YES
Chassis Back
RJ-14
T-1 R-1 T-2 R-2
LS 4
LS 3
Dual Single Line Port LSM-2 Module
Panel Front
Panel Back
1
4
25-Pair
cable from
MDF to
patch panel
Dual Loop Start Port
1
2
3
4
5
6
not used
not used
T 1
R 1
T 2
R 2
4- or 6-conductor
modular line cord
RJ-14
modular jack
assembly at rack
YEL
BLK
WHT
R2
RED
R1
T2
BLU
T1
GRN
66M1-50
Block
For each modular jack assembly
Chassis Back
Top View
25-Pair cable
from MDF
to rack
RJ-14