Tools And Cables; Setting Ac Or Dc Coupling - Nortel ATM T3 Manual

ATM T3/E3 PMC Module Supplement

Tools and Cables

To install the ATM T3/D3 PMC module into the Passport 5430 you need a Phillips
screwdriver and the following equipment:
• Two 75 ohm mini-SMB to BNC adapters (part of the shipping contents)
• Two 75 ohm coaxial cables

Setting AC or DC Coupling

If differences in ground potential exist throughout your cabling, you can designate
AC or DC coupling for the transmitting and receiving interfaces. You do this by
removing or installing a jumper head on the jumper pins associated with these
interfaces
Figure 1-2.
1-4
(Figure 1-2).
J1
TX RX
Location of the Jumper Pins
1
J1
2
J2
J2
1 = Jumper pins configured
for DC coupling
2 = Jumper pins configured
for AC coupling
T3E3010
313889-A Rev 00