Making Input Signal Connections - Symmetricom TSG-3800 Series User Manual

Installing the TSG-3800
Making Electrical Connections
Figure 2-5. Alarm Connections
2. Connect office alarms to the REMOTE, LOCAL, and AUDIO terminals with
18 AWG (minimum) wire.
3. Verify that correct wiring connections have been made.
4. Reinstall the fuses.
Note: Using the NC connections results in an alarm when removing
the CPU module, which contains the alarm relays. It also allows for
alarming should a break occur in the alarm wiring.
In an alarm condition or loss of DC power, the contact between the
NO and COM closes and the contact between the NC and COM
opens.

Making Input Signal Connections

The TSG-3800 provides one 7-pin wire-wrap connector for each of the four Input
module slots (see
connected using Amp #640433-7 or equivalent 22 AWG shielded cable. The
TSG-3800E provides one female DB-9 connector for each of the four Input module
slots, and requires site-dependent custom EMC-compliant cable to be made.
Table 2-3. Input Port Labels
Slot
1
2
3
4
54 TSG-3800 User's Guide
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Table 2-3 for slot assignments and Input Port labels) and can be
Priority Label
Primary INP1
Secondary INP2
Auxiliary 1 INP3
Auxiliary 2 INP4
12778474-002-2 Revision F – March 2004