Installation & Connections
Shelf and Card Connections
2-8
SpectraComm ADT
076R172-000
Installation and Operation Manual
Issue 6
Interface Port Descriptions
Internal Modem/Line Port
(Interface “A” in
or
The internal modem port interface is the upper RJ48C connector located on the shelf rear panel at
the SC-ADT slot (J17-J32). The table below lists the pinouts for port “A” which accommodates one
or both internal modems. When the SC-ADT is equipped with internal modems, this interface
connects one or both internal modems with the line via a cable or a cable/splitter assembly, as shown
in
. .
Figure 2-3
Internal Modem Port Connections and Pinouts
Note
External modems can only be connected to Async Port1 or Async Port2 of the SC-ADT.
Pin Signal
Direction
Description
3
Modem2-Tip
two-wire (full duplex)
Tx-Rx (Tip)
6
Modem2-Ring
two-wire (full duplex)
Tx-Rx (Ring)
7
Modem1-Tip
two-wire (full duplex)
Tx-Rx (Tip)
8
Modem1-Ring
two-wire (full duplex)
Tx-Rx (Ring)
SPLITTER
ADAPTER
209-036-035
(See Detail)
PORT CABLE
024H208-001
024H142-007 (Modem 1)
LINE CABLES
024H143-007 (Modem 2)
CONNECTING BOTH INTERNAL MODEMS
SC-ADT
32-Port
(Rear Panel)
A
SC-ADT
16-Port
(Rear Panel)
A
A
SC-ADT
PORT
LINE CABLE
024H142-007 (Modem 1)
A
SC-ADT
PORT
CONNECTING MODEM 1 ONLY
LINE CABLE
024H143-007 (Modem 2)
A
SC-ADT
PORT
CONNECTING MODEM 2 ONLY
PIN 1
PIN 1
SPLITTER
DETAIL
Содержание SC-ADT 16 Por
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Страница 106: ...The Best Connections in the Business...