Black Box 3600 Manual Do Utilizador
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V.3600
B-1
Appendix B
Phone Jack Descriptions
DIAL Pin Functions
The DIAL jack connects to the PSTN dial-up lines. Pin functions are as
follows:
follows:
TELSET/LEASED LINE Pin Functions
The 8-pin TELSET/LEASED LINE jack allows a standard telephone or a
leased line to be connected to the modem. Pin functions are as follows:
leased line to be connected to the modem. Pin functions are as follows:
Pin
Function
1, 2, 3
Not used
4 R
Ring side of telephone line
5 T
Tip side of telephone line
6, 7, 8
Not used
Pin
Function
1, 2
Transmit pair - 4-wire leased line or Tx and Rx for 2-wire
leased line
leased line
4, 5
Ring and tip (respectively) of telephone line for a telephone
7, 8
Receive pair - 4-wire leased line