Dlp- A20 Install Timing Wires On The Backplane - Cisco ONS 15454 Series Procedure Manual

Chapter 17 DLPs A1 to A99
Note
Return to your originating procedure (NTP).
Step 2
DLP-A20 Install Timing Wires on the Backplane
Purpose
Tools/Equipment
Prerequisite Procedures None
Required/As Needed
Onsite/Remote
Security Level
Using 100-ohm shielded BITS clock cable pair #22 or #24 AWG (0.51 mm² or 0.64 mm²), twisted-pair
Step 1
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.
the pin assignments for the BITS timing pin fields.
Table 17-1
BITS Pin
A4
B4
A3
B3
A2
B2
A1
B1
Note
Return to your originating procedure (NTP).
Step 2
March 2005
The X.25, Modem, and TBOS pin fields are not active on either pin field.
This task installs the BITS timing wires on the 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
As needed
Onsite
None
External Timing Pin Assignments for BITS
Tip/Ring CTC/TL1 Name Function
Ring BITS-1
Tip BITS-1
Ring BITS-1
Tip BITS-1
Ring BITS-2
Tip BITS-2
Ring BITS-2
Tip BITS-2
For more detailed information about timing, refer to the "Security and Timing" chapter of the
Cisco ONS 15454 Reference Manual. To set up system timing, see the
Timing" procedure on page
Input from BITS device 1
Input from BITS device 1
Output to external device 1
Output to external device 1
Input from BITS device 2
Input from BITS device 2
Output to external device 2
Output to external device 2
4-9.
Cisco ONS 15454 Procedure Guide, R5.0
DLP-A20 Install Timing Wires on the Backplane
Table 17-1
"NTP-A28 Set Up
lists
17-25