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Cisco MGX 8950 Hardware Installation Guide
Release 3, Part Number 78-14147-02 Rev. A0, November 2002
Appendix A Technical Specifications
RPM-PR Specifications
RPM-PR Specifications
Table A-4 lists the physical specifications for the RPM-PRs.
Controller access port
Note This port exists on the
PXM-HD back card.
Connector: OC-3 SC
Alarm indicators (audible and visual) Central office-compatible alarm indicators and
controls through a DB-15 receptacle
BITS clock interface T1 and E1 with an RJ-48 receptacle
Synchronization
Note These clock sources satisfy
Stratum
3 requirements
8kHz clock derived from the following sources:
• Internal 8 kHz clock (+/- 4.6 ppm)
• Recovered clock from service modules or
trunk line interfaces
• External BITS clock port
Power –48 VDC
Maximum power consumption See Table 2-5
Maintenance and serviceability • Internal isolation loopback (managed by the
software)
• External remote loopback (managed by the
software)
• Hot-swappable
Network management • Cisco WAN Manager
• CLI
• Standards-based SNMP
Table A-3 PXM45 Specifications (continued)
Specification Description
Ta b l e A-4 RPM-PR Physical Specifications
Specification Description
Dimensions for RPM-PRs Height: 7.25 in. (18.43 cm)
Depth: 16.25 in. (41.28 cm)
Dimensions for back cards Height: 7.00 in. (17.78 cm)
Depth: 4.50 in. (11.43 cm)
Weight for RPM-PRs 4.80 lb (2.18 kg)
Weight for back cards Card dependent
Power –48 VDC
Maximum power consumption See Table 2-5