
Installation 2-11PRISM 3021
Unit 1 Unit 2 Unit 3 Unit 4 Unit 5 Unit 6 Unit 7 Unit 8 Unit 9 Unit 10 Unit 11 Unit 12
Rack and19" or 23" Multiple
Line Chassis Mounting Hardware
Figure 2-13 Model 1051-3 Chassis, Front View
( A )
ENET
High
Speed
DTE
12
High
Speed
DTE
11
High
Speed
DTE
1
0
High
Speed
DTE
1
High
Speed
DTE
2
High
Speed
DTE
3
High
Speed
DTE
4
High
Speed
DTE
5
High
Speed
DTE
6
High
Speed
DTE
7
High
Speed
DTE
8
High
Speed
DTE
9
NMS
OUT
( A )
NMS
IN
( B )
NMS
IN
T1
DTE
12
T1
DTE
11
T1
DTE
10
T1
DTE
9
T1
DTE
8
T1
DTE
7
T1
DTE
6
T1
DTE
5
T1
DTE
4
T1
DTE
3
T1
DTE
2
T1
DTE
1
TB2 -
23456
1
1 - EXT CLK
2 - EXT CLK
3 - ALARM RING
TB1
4 - ALARM TIP
5 - SIG GND
1 - +48V RTN (B)
2 - FRAME GND
3 - -48V IN (B)
4 - -48V IN (A)
5 - SIG GND
6 - +48V RTN (A)
TB2
T1
NET
12
T1
NET
11
T1
NET
10
T1
NET
9
T1
NET
8
T1
NET
7
T1
NET
6
T1
NET
5
T1
NET
4
T1
NET
3
T1
NET
2
T1
NET
1
( B )
NMS
OUT
16
TB1
-
23451
Redundant
Power
Board
NOTE: The DB-25 version (1051-2) is also available (the V.35 is shown).
Figure 2-14 Model 1051-3 Chassis, Rear View
For 3021 applications, read E1 in place of T1 on the rear of the 1051 chassis.
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