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PSTN
T1 Network
Modem
Power
Modem
Power
Front
Panel
3165 DSU/CSU
3165
DSU/CSU
3165
DSU/CSU
Serial
Port
or
COM Port
Network
Port
Modem
Port
COM
Port
Network
Port
Modem
Port
Network
Port
or
SNMP Manager
Workstation
SNMP Manager
Workstation
PC
or
CAUTION:
AUX PORT OR COM PORT MUST NOT BE CONNECTED TO PSTN OR T1 NETWORK
AUX PORT
COM PORT MODEM
DTE
POWER
NETWORK
NEC
CLASS 2
INPUT
CAUTION:
AUX PORT OR COM PORT MUST NOT BE CONNECTED TO PSTN OR T1 NETWORK
AUX PORT
COM PORT MODEM
DTE
POWER
NETWORK
NEC
CLASS 2
INPUT
Terminal
or
Terminal
T1 or Serial Connections
Dial Connections
Cabling Examples