Table of Contents
Advertisement
Installation & Connections
Interface Port Descriptions
Internal Modem/Line Port
(Interface "A" in
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. .
SC-ADT
16-Port
(Rear Panel)
SC-ADT
32-Port
(Rear Panel)
Figure 2-3
Note
External modems can only be connected to Async Port1 or Async Port2 of the SC-ADT.
2-8
Figure 2-1
or
Figure
2-2)
CONNECTING BOTH INTERNAL MODEMS
A
SC-ADT
PORT CABLE
PORT
024H208-001
A
CONNECTING MODEM 1 ONLY
SC-ADT
A
PORT
024H142-007 (Modem 1)
A
CONNECTING MODEM 2 ONLY
SC-ADT
PORT
024H143-007 (Modem 2)
A
Pin
Signal
3
Modem2-Tip
6
Modem2-Ring
7
Modem1-Tip
8
Modem1-Ring
Internal Modem Port Connections and Pinouts
SpectraComm ADT
Installation and Operation Manual
Shelf and Card Connections
LINE CABLES
024H142-007 (Modem 1)
024H143-007 (Modem 2)
SPLITTER
ADAPTER
209-036-035
(See Detail)
LINE CABLE
LINE CABLE
Direction
Description
two-wire (full duplex)
Tx-Rx (Tip)
two-wire (full duplex)
Tx-Rx (Ring)
two-wire (full duplex)
Tx-Rx (Tip)
two-wire (full duplex)
Tx-Rx (Ring)
SPLITTER
DETAIL
PIN 1
PIN 1
076R172-000
Issue 6
Advertisement
Table of Contents
