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Cisco ONS 15310-MA SDH Reference Manual, Release 9.1 and Release 9.2
78-19417-01
Chapter 1 Cisco ONS 15310-MA SDH Shelf Assembly Hardware
Cable Description and Installation
For information about provisioning alarms for external devices, refer to Chapter,
“Manage alarms”, Section, “Provision External Alarms and Controls” in the Cisco ONS 15310-MA SDH
Procedure Guide.
1.8.6 BITS Cable Installation
The BITS clock cable (terminated with a DB-9 connector or with a DB9BIT=BB9 to wire wrap adapter)
attaches to the BITS port on the ONS 15310-MA SDH. The other end of the cable plugs into the BITS
clock, terminate this end of the cable according to local site practice. In case the DB9BIT=BB9 to wire
wrap adapter is used on the ONS 15310-MA, the cable shield must be wire-wrapped to the GND pin of
the wire wrap adapter.
The 15310-MA SDH has one BITS input and one BITS output. The BITS inputs and outputs have
corresponding pins on the DB-9 BITS ports. When connecting BITS cable to the ONS 15310-MA SDH,
see Tabl e 1-7 for the BITS cable pin assignments.
Note Refer to Telcordia SR-NWT-002224 for rules about how to provision timing references.
1.8.7 UDC Cable Installation
The 64K, EIA/TIA-232 user data channel (UDC) interface provides F1 and F2 byte input and output.
When connecting the UDC cable to the ONS 15310-MA SDH, see Table 1-8 for the UDC cable pin
assignments. Unshielded twisted-pair #22 or #24 AWG wire is required for the UDC ports.
12 Out 8+ 25 Out 7–
13 Out 8– — —
Table 1-6 Default Alarm Pin Assignments—Outputs (continued)
DB-25 Pin Number Function DB-25 Pin Number Function
Table 1-7 BITS Cable Pin Assignments
DB-9 Pin
Number Function
1BITS Output+
2BITS Output–
3—
4—
5—
6 BITS Input+
7 BITS Input–
8—
9—