Vtrc Interface Connector; Vfc Optical Bypass Switch Connector - Data General AViiON Series Customer Documentation

Setting up and installing vmebus options
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External Device Connector Pin Assignments

VTRC Interface Connector

Each VTRC controller board includes a 9-pin D connector (J3.) This connector
provides the signal interface for direct or indirect connection to a network Trunk
Access Unit (TAU). Figure C–10 shows the signals and pin numbers for the VTRC
J3 connector.
Pin
Signal
1
Ring Receive
2
Ground
3
+5
4
Ground
5
Ring Transmit
6
Ring Receive
7
Ground
8
Ground
9
Ring Transmit

VFC Optical Bypass Switch Connector

The VFC board's Tx and Rx connectors for Physical Units A and B are ST-compatible
jack-type connectors, and do not have pins. The optical bypass switch, however, has
a 6-pin mini-DIN connector at the VFC board end. Figure C–11 shows the signals
and pin numbers for the optical bypass switch connector.
Pin
Signal
1
+5 V secondary switch
2
+5 V primary switch
3
GND primary switch
4
GND secondary switch
5
Common to pin 6
6
Common to pin 5
Figure C–11 VFC Optical Bypass Switch Connector
C-14
Figure C–10 VTRC Connector Signals
End of Appendix
9
6
6
4
2
5
1
5
3
1
014–001867

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