500-19-54 Dual Channel Telephone Interface
Issue 1.2
Trilogy Communications Limited
Page 13 of 19
4. CONNECTORS
Rear view
4.1 Mains connector - Power connection. IEC mains
Pin Number
Signal
Direction From Unit
L Live
Input
N Neutral
Input
E Earth
Input
4.2 Matrix connector – RJ45 connector
Hybrid RJ45 (“Matrix”)
Hybrid Signal
Matrix RJ 45
1 – pair 1
Data RX (a)
1 – pair 1
2 – pair 1
Data RX (b)
2 – pair 1
3 – pair 2
Data TX (a)
3 – pair 2
4 – pair 3
Audio in (b)
4 – pair 3
5 – pair 3
Audio in (a)
5 – pair 3
6 – pair 2
Data TX (b)
6 – pair 2
7 – pair 4
Audio out (a)
7 – pair 4
8 – pair 4
Audio out (b)
8 – pair 4
Note
: Please ensure that any cables are correctly wired, following the 4-pair wiring indicated
above. Failure to do so may lead to incorrect operation of the hybrid frame.
4.3 Audio connector. 9w D chassis plug connector.
Pin Number
Signal
Direction From Unit
1.
Chassis ground
Switch Ground
2. Seize
Switch
Input
3. Drop
Switch
Input
4.
Audio Out (-)
Output
5.
Audio in (-)
Input
6.
7.
8.
Audio out (+)
Output
9.
Audio in (+)
Input
4.4 Line connector. RJ11 connector.
Pin Number
Signal
Direction From Unit
1.
2.
3.
Line +
Input / Output
4.
Line -
Input / Output
5.
6.
