Black Box 32144 Manual page 191

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MODEM 32144
Table 1-1. Pin Assignments—EIA Interface Connector (continued)
Pin
Designation Function
22
CE
23
CH
24
DA
25
CN
12
Ring indicator (RI)
Speed select
External transmit clock
Test mode indicator (TM)
LCD Indicator Source
R
Modem
DTE
DTE
TM
Modem

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