Installation manual
216 20/10/2004 PS10270JENAA01
Textual specification of the connectors
Description of the switches
2 T0: switch configuration with a T0 on both equipment connectors (J3 and J4):
Note: If two T0 interfaces are installed, the J2 connector is not used.
NAME Function Description of the contacts
J2 used to connect the 40 V power
supply for the ISDN terminals
(connect to the ADS300 power
supply module)
pin 2: (+) 40 V
pin 1: (-)
J3 used to connect the T0 or S0
interface on equipment 0
T0 configuration (J3 or J4)
pin 4: RT-
pin 3: RT+
pin 2: ET-
pin 1: ET+
RT: Reception on T
interface
ET: Transmission on T
interface
S0 configuration (J3 or J4)
pin 4: ES-
pin 3: ES+
pin 2: RS-
pin 1: RS+
ES : Transmission on S
interface
RS: Reception on S interface
J4 used to connect the T0 or S0
interface on equipment 1
1
2
1
4
1
4
ON
S
W1, SW2
9
10
7
8
5
6
3
4
1
2
ST1, ST2
ST3, ST4
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