CONNECTING TO WIRE LINES
15
2.3.2. CONNECTING TO THE TELEPHONE CABLE EQUIPPED WITH THE RJ11 SOCKET
When testing a telephone cable (without the need for parallel connection of terminal
equipment), the main unit is connected to the RJ11 socket using a patch cord
(Fig.1, item 21)
.
The scheme of connection is shown in
Fig.7, 3C option.
Options 3D and 3E
show methods of parallel connection to telephone cables when using
terminal devices (telephone or fax).
Option 3D
is applied when the telephone cable is equipped
with the RJ11 socket
. In this
case, for connection of the main unit it is necessary to use the RJ11 splitter
(Fig.1, item 11)
and a
patch cord
(Fig.1, item 21)
.
Option 3E
is applied when the telephone cable is equipped
with the RJ11 double socket
. In
this case, the main unit is connected to one of two slots of the socket by means of a patch cord
(Fig.1, item 21)
, and the telephone or fax by means of a regular cable is connected to other slot.
Fig.7
2.4. CONNECTING TO THE LOW-CURRENT MULTI-WIRE CABLE, WHICH
IS NOT EQUIPPED WITH CONNECTOR
For test of the low-current multi-wire cables which are not equipped with a plugs or sockets,
use the adapter
(Fig.1, item 16)
. The scheme of connection is shown in Fig.8.
Fig.8
When connecting a LAN cable to the adapter, use the scheme
This connection option is used when testing low-current cables using any device.
2.5. CONNECTING TO THE SHIELD OF LOW-CURRENT CABLE
When testing LAN cables, it is necessary (including) to test pairs consisting of wire of the
multi-wire cable and the cable shield. If the cable shield is connected to the grounding contact of
a socket or plug, use a "grounded" patch cord
(Fig.1, item 20)
. Sometimes the shield of the cable
does not connect to the grounding pin of a socket or plug.
