34
LDM-144LR
6. Card Version
6.1 RM110A Description
The RM110A consists of one or two power supplies and up to 14 plug-in
cards. The card types can be LDM-144LR or other modem cards, (any mix
of up to 14 plug-in cards). The rear panel consists of a snap connector and a
DB25 D-type connector. The snap connector provides for connecting the
transmit and receive lines. The transmit pair is connected to the terminals
marked XMT, the receive pair is connected to the terminals marked RCV,
and an optional ground connection is the fifth screw.
The interface connector is a 25-pin female connector, which provides all
interface signals for the digital interfaces. Two optional interface
attachments, the CIA/V.35 and CIA/X.21 are available, providing two V.35
34-pin connectors or two X.21 15-pin connectors respectively (see
Figure
6-3
).
Figure 6-1. Front Panel of the Card Version.
PWR
RTS
TD
RD
DCD
SG
DIG
ANA
REM
PATT
LDM-144LR
