DEFINITY Enterprise Communications Server Release 7
Maintenance for R7r
555-230-126 Issue 4
June 1999
Maintenance Object Repair Procedures
9-818EXP-INTF (Expansion Interface Circuit Pack)
9
Figure 9-44. TDM BUS Lightwave Transceiver Looparound
Figure 9-45. Packet BUS Lightwave Transceiver Looparound—PPN only
lightwave
To CSS or
Neighbor EI
TDMBUS (PN X)
Tone
Tone
Clock
Detector
EXP_INTF
transceiver
lightwave
To CSS or
Neighbor EI
Packet
Interface
TDMBUS (PN X)
EXP_INTF
transceiver