Vanguard 7300 Series, Installation Manual

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2-30 Vanguard 7300 Enclosures and Components
Vanguard 7300 Cards
Carrier Expansion
Card - Front Panel The front panel of the Carrier Expansion Card is shown in Figure 2-20. The serial
number label is on the underside of the card, near the leftmost PMC slot.
Figure 2-20. Carrier Expansion Card, Front Panel with T3/E3 ATM PMC
Installed
Front Panel LEDs This table describes the two LEDs located on the front panel of the Carrier
Expansion Card:
T3/E3 Rear
Transition Module -
Rear Panel
The T3/E3 Rear Transition Module connects to the Carrier Expansion Card at the
Vanguard 7300 midplane. The T3/E3 Rear Transition Module provides two 75 Ohm
BNCs; one for data receive (RX) and the other for data transmit (TX). Both are
accessible from the rear of the chassis as shown in Figure 2-21.
Figure 2-21. T3/E3 Rear Transition Module, Rear View
Slot 1
Slot 2
LED Color Indication
PWR Green ON - Receiving power
EXT Blue Not Used