Nortel Meridian Meridian 1 Upgrade Manual page 77

Figure 11
Shelf 1 descending fiber optic Ring (Meridian 1 Option 81C 5 group example)
Group 4, shelf 1
Tx (J1)
Rx (J2)
Group 4, shelf 0
Group 3, shelf 1
Tx (J1)
Rx (J2)
Group 3, shelf 0
Communication Server 1000M and Meridian 1
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Group 2, shelf 1
Tx (J1)
Rx (J2)
Group 2, shelf 0
Group 0, shelf 1
Tx (J1)
Rx (J2)
NTRC48xx fiber optic cable
Remove the black cap from the end of each cable before it is connected.
Note: Each end of the NTRC48xx cable is labeled "Tx" or Rx" in the
factory.
1 Start with Network group 0, shelf 1.
2 Connect a NTRC48xx FIJI Fiber Ring cable of the appropriate length from
the Tx (J1) port of the FIJI card in Group 0, shelf 1 to the Rx (J2) port of
the FIJI card in the highest Network group, shelf 1.
3 Connect a NTRC48xx cable from the Tx (J1) port of the FIJI card from the
Tx (J1) port in the highest Network group, shelf 1 to the Rx (J2) port in
the second highest Network group, shelf 1.
Performing the upgrade
IGM
(not used with
Fiber Network)
Group 1, shelf 1
Tx (J1)
Rx (J2)
Group 1, shelf 0
Group 0, shelf 0
81C IGS to CS 1000M MG CP PII FNF Upgrade
Page 77 of 284
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