Mitel Inter-Tel 5000 Installation And Maintenance Manual page 204

Chapter 5: Installation
Connecting Station Cables to a European System
Figure 5-47.
To
DEM-16
Block
WH/BL
The SLA is supported with two Western Electric to BT converters (part no. C74) for use when
the attached devices are near the SLA. For longer range connections (up to 4.5 Km), an
additional Krone block is required. This is connected to the SLA using a standard line cord—
part no. C27—and line jack unit (LJU).
Where exposed OPX cabling is used, also use BT14A/1 of BT21A surge arrestors on the OPX
lines, and ensure the Krone field is earthed. Make the LJU at the far end of the cable a line
master. This entire setup might be part of the main MDF or situated remotely, subject to
chassis-to-SLA cable restrictions.
Figure 5-48.
OPX LJU
Connection Details
5
6
3
4
1 2
(3)
Page 5-82
SLA Terminations for Single Line Endpoint with a European System
Endpoint LJU
BL/WH
5 6
3 4
2
1
AC Desktop Converter
Off-Premises Connection [Europe Only]
(4)
SLA
Western Electric
to BT Converters
2 3 4 5 6
1
SL1
RUN BUSY
®
Inter-Tel 5000 Installation Manual – Issue 2.4, May 2008
(C74)
1 6
2 5
4
3
0
7 8 9
To OPX
SL2
BUSY