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3.5 Information about the Physical Trunk Cards
98 Installation Manual
3.5.7 E1 Card (KX-TDA0188)
Function
1-port E1 trunk card. ITU-T standard compliant.
Accessories and User-supplied Items
Accessories (included): Ferrite core × 1
User-supplied (not included): RJ45 or BNC connector
Notes
• In some countries/areas, this optional service card must not be connected to the Public Switched
Telephone Network.
• When connecting this optional service card to the trunk, connect through NT1; do not connect to
the trunk directly.
• Use only 1 type of connector (RJ45 or BNC) for connection; RJ45 and BNC cannot be used
simultaneously.
• When connecting the RJ45 connector, attach the included ferrite core. Refer to "3.2.9 Attaching a
Ferrite Core".
• This optional service card can be used for either trunk or extension connection, by setting the A/B
switch or using the connector with appropriate pin assignments.
• To confirm the trunk connection, refer to "Confirming the Trunk Connection" in "3.15.1 Starting the
PBX".
CAUTION
E1 ports are SELV ports and should only be connected to SELV services.
LEDs
To NT1/Extension
To NT1/Extension
BNC (TX)
BNC (RX)
BNC (TX) outer conductor
For Frame
Ground Open
For Frame
Ground Short
J308
1
2
3
1
2
3
J308
J309
123
J309
123
BNC (RX) outer conductor
RJ45
OR
OR
AB
For RJ45
For BNC
120Ω
75Ω
120Ω
75Ω
OR