Nortel Meridian Meridian 1 Upgrade Manual page 111

Table 17
Clock Controller switch settings for NTRB53
Multi-group
Single group
1 2
Multi-group = 21E = Off
Off
51, 61,
Single group = 51C, 61C
On 71, 81,
81C = On
Note: Switch 7 and 8 are not used.
Communication Server 1000M and Meridian 1
7 Re-connect all reference cables.
Note: The Clock Controllers (0 and 1) must be located in Group 1 (in a 2
group system only). If in the future the Meridian 1 Option 81C CP PII is
upgraded to more than two Network groups, Nortel recommends that
Clock Controller 0 and 1 be located in different Network groups.
Machine Faceplate Cable Length
Type #1
3
Off
Off
On
On
Performing the upgrade
CC to CC
4
Off 0-14 Ft.
On 4.6–6.1 m
(15–20 ft)
Off 6.4–10.1 m
(21–33 ft)
On 10.4–15.2 m
(34–50 ft)
End of Procedure
81C IGS to CS 1000M MG CP PII FNF Upgrade
Page 111 of 284
Side Machine
Number Type #2
5 6
Side 0 = 71,81 = Off
On
21E, 51, 51C,
Side 1 = 61. 61C, 81C
Off = On