Section 363-719-102
June 2, 1997
Revision 01
Page 26
PairGain Engineering - Plant Series
PG-Flex FCS-719
8.9
Fuse.
Insert a 6 amp fuse in the equipment bay's fuse panel for each circuit (two circuits) where the
PG-Flex CO battery wires are terminated.
8.10
Cabling Verification.
Verify connections:
The following verifications should be done before any cards are inserted into
the FCS-719.
1
Verify that there is a minimum of -42 Vdc and a maximum of -56 Vdc between the TB1
(-48 Vdc) and TB3 (BATT RTN) screw terminals on the COT shelf.
2
Verify that there is a minimum of -42 Vdc and a maximum of -56 Vdc between the TB2
(-48 Vdc) and TB3 (BATT RTN) screw terminals on the COT shelf.
3
Visually verify the HDSL lines are terminated properly and with the correct polarity.
4
Verify that the HDSL lines are "dry":
a
There should be 0 Vdc between the Tip and Ring, Tip and Ground, and Ring and Ground of
each of the HDSL circuits terminated on the shelf.
b
There should be > 100 kohm resistance between the Tip and Ring, Tip and Ground, and
Ring and Ground of each of the HDSL circuits terminated on the shelf.
5
Replace the clear Plexiglas cover.
9. Turn-Up and Testing
9.1
Refer to the COT or RT Line Unit Technical Practices for complete COT and RT turn up and testing
procedures.
10. Troubleshooting
10.1
Refer to the COT or RT Line Unit Technical Practices for complete COT and RT troubleshooting
procedures.
11. Technical Support
11.1
PairGain Technical Assistance is available 24-hours-a-day, 7-days-a-week by contacting PairGain
Customer Service at:
Telephone:
(800) 638-0031 or (714) 832-9922
Fax:
(714) 832-9924
11.2
During normal business hours (8:00 AM to 5:00 PM, Pacific Time, Monday-Friday, excluding
holidays), technical assistance calls are normally answered directly by a Customer Service Engineer.
At other times, a request for technical assistance is handled by an on-duty Customer Service
Engineer through a callback process. This process normally results in a callback within 30 minutes
of initiating the request.
11.3
In addition, PairGain maintains a computer bulletin board system for obtaining current information
on PairGain products, product troubleshooting tips and aids, accessing helpful utilities, and for
posting requests or questions. This system is available 24-hours-a-day by calling (714) 730-3299.
Transmission speeds up to 28.8 kbps are supported with a character format of 8-N-1.
