Installation

2-5

3162-A2-GB20-30 March 1999
Important Instructions
Read and follow all warning notices and instructions marked on the DSU/CSU or
included in this guide.
For a complete listing of the safety instructions, see the

Important Safety

Instructions

section at the beginning of this guide.
Cabling Examples
The DSU/CSU is supplied with an ac power module.
Optional cables are described in Appendix D,

Pin Assignments

.
Figure 2-9 illustrates some cabling examples.
496-15011
POWER POWER
3162
DSU/CSU
3162
DSU/CSU
TERMINAL
COM
PORT NETWORK
PORT
COM
PORT NETWORK
PORT
SNMP
MANAGER
OR
TERMINAL
OR
NETWORK
PORT 1
AUX
POWER
NETWORK
CAUTION:
AUX PORT OR COM PORT MUST NOT BE CONNECTED TO PSTN OR T1 NETWORK
NEC
CLASS 2
INPUT COM
PORT 2
DSX-1
EXT. CLOCK
PORT 1
AUX
POWER
NETWORK
CAUTION:
AUX PORT OR COM PORT MUST NOT BE CONNECTED TO PSTN OR T1 NETWORK
NEC
CLASS 2
INPUT COM
PORT 2
DSX-1
EXT. CLOCK
Figure 2-9. Cabling Examples