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Cyan Z-Series Engineering and Planning Guide
Release 5.0
700-0023-05-00 Rev. 1
© 2013 Cyan, Inc. – All Rights Reserved.
P a g e
27
1.1.5 Z22 External Timing
The Z22 system supports the following timing inputs/outputs used for network synchronization:
•
2 T1/E1 outputs
•
2 T1/E1 inputs
The timing inputs and outputs are accessed through an 8-position pluggable terminal block on the rear side
of the Z22 chassis.
The following table shows the external timing connector pinouts:
Pin
Description
1
T1/E1 TX1_+ (Output)
2
T1/E1 TX1_- (Output)
3
T1/E1 RX1_+ (Input)
4
T1/E1 RX1_- (Input)
1
T1/E1 TX2_+ (Output)
2
T1/E1 TX2_- (Output)
3
T1/E1 RX2_+ (Input)
4
T1/E1 RX2_- (Input)
1.1.6 Z22 Alarms
The Z22 platform supports system and environmental alarms. System alarms include Critical, Major,
Minor, and Failsafe. The environmental alarms include 4 inputs and 2 outputs. Alarms are accessed through
a combination 20-position pluggable terminal block on the rear side of the Z22 chassis.
NO
C
NO
C
NO
C
NC
C
NO
C
+
COM
+
COM
+
COM
+
COM
NO
C
CRIT
MAJ
MIN
FAIL
OUT2
IN1
IN2
IN3
IN4
OUT1
ALARMS
Figure 2: Z22 System and Environmental Alarms Connection