Card Installation And Turn-Up; Slot Requirements - Cisco ONS 15327 User Documentation

Card Installation and Turn-Up

Table 1-2
External Device
Second external
device
(MIC B)
Refer to Telcordia SR-NWT-002224 for rules about how to provision timing references
Note
1.8 Card Installation and Turn-Up
Always use the supplied ESD wristband when working with a powered ONS 15327. Plug the wristband
Caution
cable into the ESD jack located between the top high-speed and XTC slots.
ONS 15327 cards have electrical plugs at the back that plug into electrical connectors on the shelf
assembly backplane. When the ejectors are fully closed, the card plugs into the assembly backplane.
Figure 1-11
high-speed card installation.
The optical cards for the ONS 15327 are Class 1 laser products. These products have been tested and
Warning
comply with Class 1 limits.
Warning During this procedure, wear grounding wrist straps to avoid ESD damage to the card. Do not directly
touch the backplane with your hand or any metal tool to avoid the risk of shock.
DS-1 and DS-3 interfaces are not intended for direct connection to the network. These interfaces should
Note
be connected to the network via a CSU/DSU that has the proper certification.

1.8.1 Slot Requirements

The ONS 15327 shelf assembly has eight card slots; four high speed slots, two Cross-Connect, Timing
and Control (XTC) slots, and two Mechanical Interface Card (MIC) slots. The wider slots host the XTC
cards and MICs. The narrower, high-speed slots host Ethernet, OC-3, OC-12, and OC-48 cards.
Cisco ONS 15327 User Documentation, R3.3
1-16
External Timing Pin Assignments for BITS (continued)
Contact
BITS 2 Out
BITS 2 Out
BITS 2 In
BITS 2 In
shows XTC card installation (which is the same as MIC installation) and
RJ-45 Pin Tip & Ring
7 Primary ring (-)
8 Primary tip (+)
3 Secondary ring
(-)
4 Secondary tip
(+)
Chapter 1 Hardware Installation
Function
Output to external
device
Output to external
device
Input from external
device
Input from external
device
Figure 1-12 shows
June 2002