Specifications

17
MINIATURE LOCAL MUX-12
Table 3-1. Sub-channel connector pin assignments.
CCITT V.24 EIA RS-232C Pin No. Signal Name Description
102 AB 7 Signal Ground Common signal.
103 BA 5 Transmit Data Serial data from
DTE into the Mux.
104 BB 3 Receive Data Serial data output
from the Mux
105 CA 2 Request to Send Connected to CTS.
106 CB 8 Clear to Send Connected to RTS.
107 CC 6 Data Set Ready A positive level
from the Mux
except when either
a sync loss occurs
or remote loopback
is performed.
109 CF 4 Receive Line A positive level
Signal Detector from the Mux
(Carrier Detect) except when either
a sync loss occurs
or remote loopback
is performed.
— — 1 +V output A positive
unregulated voltage
to power external
equipment (up to
120 mA total).
Table 3-2. Main channel’s connector pin assignment.
Pin No. Signal Name Description
1 RX-A Receive Pair
2 RX-B
7 TX-A Transmit Pair
8 TX-B