Specifications
208 Hardware Description and Reference for Avaya Communication Manager
The following table describes the connectors in the port carrier.
Switch node carrier for S8700-series Media Server
The switch node carrier (SNC) (J58890SA) can contain:
● One or two switch node clocks
● Up to 16 Switch Node Interface (SNI) circuit packs
● One or two DS1 converter circuit packs
● One EI circuit pack
● Two AC or DC power units
An AC or DC power unit resides at each end of an SNC. An SNC can be used when connecting
from 2 to 44 PNs, but must be used when connecting three or more EPNs.
See Figure 58:
Switch node carrier (J58890SA) on page 208 for an example of a switch node
carrier.
Figure 58: Switch node carrier (J58890SA)
Connector Function
1 to 20 25-pair connectors that provide interfaces between port circuit packs and
the cross-connect field or fiber transceiver
P1 Provides a position indicator of the carrier and access to alarm and
control circuits
631DA
or
649A
Z
1
0
0
C
b
l
a
n
k
Z
1
0
0
A
b
l
a
n
k
T
N
5
7
3
T
N
5
7
3
T
N
5
7
3
T
N
5
7
3
T
N
5
7
3
T
N
5
7
3
T
N
5
7
3
T
N
5
7
3
T
N
5
7
3
T
N
5
7
3
T
N
5
7
3
T
N
5
7
3
T
N
5
7
3
T
N
5
7
3
T
N
5
7
3
T
N
5
7
3
T
N
1
6
5
4
T
N
5
7
2
T
N
5
7
2
T
N
5
7
0
631DA
or
649A
ccdf0005 KLC021105
E
DS1
CONV
2
3
19 20 21
56789
10 11 12 13 14
15 16 18174
1
EXPN INTFC
SWITCH
NODE
CLOCK
SWITCH
NODE
CLOCK
TEST
DS1 CONV
POWER UNIT
Power Unit
SWITCH NODE INTERFACE SWITCH NODE INTERFACE