NT7D16 Data Access card Page 431 of 906
Circuit Card Description and Installation
Figure 88
NT7D16 Data Access card faceplate
SD
RD
DTR
DSR
DCD
RI
CONNECT
RS-422
2
UN SEL
WIRE TEST
UN0
UN1
UN2
UN3
UN4
UN5
NT7D16AA
card status
EIA signal
monitor LEDs
CONNECT
Port mode
Port number
Port select
Wire test
553-5018
ONOFF
