Operation Manual

Chapter 6: Certify Fiber Cabling
Autotest in Loopback Mode
129
GPU131.EPS
Figure 50. Connections for Loopback Mode
(1 Jumper Reference, Multimode Fiber)
Test
reference
cord
Caution
Do not disconnect the
output ( ) after you set
the reference.
When you use the EF-TRCs,
DO NOT use other
mandrels.
Fiber
Fiber Test
Reference
TRC Verification
*Use the EF-TRCs only with multimode modules.