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ADCP-50-304 • Issue 19 • June 1999 • Section 2: Functional Description
Page 2-1
© 1999, ADC Telecommunications, Inc.
SECTION 2: FUNCTIONAL DESCRIPTION
1 GENERAL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1
2 PATCHING WITH IN-LINE A/B SWITCHING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1
3 A/B SWITCHING WITH OFF-LINE MONITOR ACCESS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-2
3.1 PS Control Module (RDM-15) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3
3.2 LED/Alarm Patch Module with A/B Switching and In-Line Patch Access (PSM-01). . . . . . . . . . . . . . . . . . . . .2-7
3.3 Patch Module with A/B Switching and In-Line Patch Access (PSM-02) . . . . . . . . . . . . . . . . . . . . . . . . . . .2-11
4 A/B SWITCHING MODULE (PSM-03). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-12
5 LED/ALARM PATCH MODULE WITH A/B SWITCHING AND OFF-LINE ACCESS (PSM-04) . . . . . . . . . . . . . . . . . . . . . .2-13
6 PATCH MODULE WITH A/B SWITCHING AND OFF-LINE ACCESS (PSM-05) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-13
7 LED/ALARM PATCH INTERFACE (PSM-07). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-13
7.1 Patch Interface (PSM-08) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-14
8 TEST MODULE (PSM-12) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-15
9 TEST MODULE (PSM 13) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-16
10 PS RS-422/RS-232 INTERFACE CONVERTER MODULE (PSR-06). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-17
11 PS CHASSIS POWER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-18
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1 GENERAL
This section describes how the PatchSwitch equipment functionally operates in a data
communications network. The PS equipment provides two main functions. A user selects one of
two DTE data channels to connect to a DCE. Additionally, the user can monitor and restore data
channels with a manual patch.
2 PATCHING WITH IN-LINE A/B SWITCHING
A functional diagram illustrating patching with in-line A/B switching is shown in Figure 2-1.
Computer access is through the COMPUTER patch cord jack and either the DTE-A or DTE-B
jack. Modem connection is through the MODEM patch cord jack and the DCE jack. Monitor
connection is through the MONITOR patch cord jack.
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