
3
PORT 2
PORT 1
CLOCK IN
POWER
10 BASE-T
COM
DSX-1
MODEM
NETWORK
PORT 2
PORT 1
CLOCK IN
PORT 4
PORT 3
AUX PORT
COM PORT MODEM
DTE
POWER
NETWORK
CAUTION:
AUX PORT OR COM PORT MUST NOT BE CONNECTED TO PSTN OR T1 NETWORK
NEC
CLASS 2
INPUT
99-15573-01
Modem
Power
Modem
Power
Front
Panel
3164 DSU/CSU
3164
DSU/CSU
3160
DSU/CSU
Serial
Port
or
COM Port
Network
Port
Modem
Port
COM
Port
Network
Port
Modem
Port
Network
Port
To
Router
or
SNMP
Manager
SNMP
Manager
PC
or
Terminal
Terminal
or
PSTN
T1 Network
10BaseT
Port
10BaseT
SNMP Manager
Cabling Examples