Dlp-G24 Install Timing Wires On The Backplane (Ansi Only) - Cisco ONS 15454 Hardware Installation Manual

Installing the ONS 15454 M12 (ANSI and ETSI) Shelf
Figure 55: Highlighted Environmental Alarms
Step 2
Return to your originating procedure (NTP).

DLP-G24 Install Timing Wires on the Backplane (ANSI Only)

Purpose
Tools/Equipment
Prerequisite Procedures
Required/As Needed
Onsite/Remote
Security Level
Procedure
Step 1 Using 100-ohm shielded BITS clock cable #22 or #24 AWG (0.51 mm² or 0.64 mm²), twisted-pair T1-type,
wrap the clock wires on the appropriate wire-wrap pins according to local site practice.
Ground the shield of the BITS input cable at the BITS end. For BITS output, wrap the ground shield of the
BITS cable to the frame ground pin (FG1) located beneath the column of BITS pins.
Timing Pin Assignments, on page 98
Table 18: External Timing Pin Assignments for BITS
BITS Pin
A4
B4
A3
B3
This task installs the BITS timing wires on the ONS 15454 ANSI backplane.
Wire wrapper
100-ohm shielded BITS clock cable pair #22 or #24 AWG (0.51 mm² or 0.64
mm²), twisted-pair T1-type
NTP-G5 Remove the Backplane Covers (ANSI Only), on page 63
As needed
Onsite
None
lists the pin assignments for the BITS timing pin fields.
Tip/Ring CTC/TL1 Name Function
ring BITS-1 Input from BITS device 1
tip BITS-1 Input from BITS device 1
ring BITS-1 Output to external device 1
tip BITS-1 Output to external device 1
DLP-G24 Install Timing Wires on the Backplane (ANSI Only)
Cisco ONS 15454 Hardware Installation Guide
Table 12: BITS External
109