2
5. The Factory 1 configuration for ESF framing format and B8ZS line coding format is
the default configuration and is appropriate for most networks. If this configuration
does not work for you, try the Factory 2 configuration for D4 framing format and
AMI line coding format. To further customize configuration options, refer to the
configuration option tables beginning on page 4.
6. During the power-up self-test, the FAIL LED flashes, then all LEDs blink twice.
When the test is complete, verify that the DSU/CSU is functional by observing that
the OK and NETWORK SIG LEDs are lit.
PORT 1
COM PORT MODEM
POWER
NETWORK
CAUTION:
AUX PORT OR COM PORT MUST NOT BE CONNECTED TO PSTN OR T1 NETWORK
NEC
PORT 1
COM PORT MODEM
POWER
NETWORK
CAUTION:
AUX PORT OR COM PORT MUST NOT BE CONNECTED TO PSTN OR T1 NETWORK
NEC
98-15941a
PSTN
Modem
Power
Modem
Power
Front
Panel
3163 DSU/CSU
3163
DSU/CSU
3163
DSU/CSU
Serial
Port
or
COM
Port
Network
Port
Modem
Port
COM
Port
Network
Port
Modem
Port
Network
Port
PC
T1 or Serial Connections
Dial Connections
Terminal
Terminal
or
T1 Network
Cabling Examples
