Introduction
1-7
3160-A2-GB21-80 March 1999

Table 1-1. Standalone DSU/CSU Rear Panel Connectors

Name Function

POWER Supplies power to the DSU/CSU by providing an
attachment for the ac power module or the optional dc
power cable (+24 or –48 Vdc).
AUX PORT Supports SNMP LAN Adapter or daisy-chain connections.
COM PORT Provides access to a locally connected PC, ASCII terminal
or printer, SNMP management link, or async terminal
interface.
MODEM Provides a connection to the integral modem for access to
a remotely connected PC, ASCII terminal or printer, SNMP
management link, or async terminal interface.
NETWORK Provides access to the T1 network.
DTE (Model 3160/3164) Provides access to the DTE Drop/Insert (DSX-1) interface.
CLOCK IN (Models
3160/3164) Used to attach an external clock to the DSU/CSU.
PORTs 1–4 Used to connect the customer’s synchronous data DTE to
the DSU/CSU.