Modem User's Guide
Table Of Contents
- Contents
- Warranty, Sales, and Service Information
- About This Guide
- About the Model 7986 Standalone Termination Unit
- Using the Asynchronous Terminal Interface
- Initial Startup and Configuration
- Monitoring the Unit
- Testing
- Messages and Troubleshooting
- Security
- IP Addressing
- Configuration Option Tables
- Standards Compliance for SNMP Traps
- Cables and Pin Assignments
- Technical Specifications
- Glossary
- Index
Cables and Pin Assignments
C-5
7986-A2-GB20-00
September 1998
Power Input Connector
The required input power connector leads are shown in Table C-4.
Table C-4. DC Power Connector
Signal
Pin Number
+24 Vdc 5
+24 Vdc Return 4
Chassis Ground 3
Optional Power Cable
The optional power cable is a 14.5-foot, 18 AWG stranded cable. The connector
is terminated at one end with a 6-position Molex 39-01-2060 connector. The other
end of the cable is terminated with a bare wire that should be connected to a DC
power source. Figure C-4 shows the wire colors.
1
2
3
4
5
6
X
X
Earth Ground
RTN
+24 Vdc
X
Black
Red
Green
White
Orange
Blue
98-14158-0
1
Figure C-4. DC Power Cable (Feature Number 7900-F1-506)
PIN 1
PIN 6
98-1613
8