Cabletron Systems HSIM-A6DP- User Manual

Page of 100
Appendix A: APIM Specifications
A-6
HSIM-A6DP User’s Guide
A.6
APIM-67 SPECIFICATIONS
Physical Interface:
DS3
Media Type:
75 Ohm Coaxial Cable
Data Rate:
45 Mbps
Connector Type:
BNC
Typical Link Distance:
136 Meters
The APIM-67 conforms to the electrical characteristics specified by ANSI 
T1.404-1989 Carrier-to-Customer Installation-DS3 Metallic Interface 
Specification
, Section 5.12 Grounding Arrangements. In accordance with 
this specification, each channel (Transmit and Receive) must be grounded 
at one end. 
Cabletron Systems ships the APIM-67R with the following default 
jumper settings:
Receive channel jumper - grounded 
Transmit channel jumper - not grounded
 shows the location and default setting of each jumper. Refer to 
the APIM-67R to another DS3 device.
!
CAUTION
The APIM-67R does not use Cell Payload Scrambling. 
Scrambling must be disabled on any DS3 device connected to 
the APIM-67R.