Installing A Pvdm - Cisco 1760 - VPN Bundle Router Hardware Installation Manual
Modular access router
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- Quick start manual (40 pages) ,
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Appendix C
Installing and Upgrading Memory and Packet Voice Data Modules
3.
Installing a PVDM
78-13342-03
Figure C-5
Installing a SIMM
1. Insert the SIMM into the socket at an angle 45˚ from vertical.
The socket guide posts insert
through the SIMM holes
(on both sides).
4.
The locking spring will
clip the front side of the SIMM
when it is fully installed
(on both sides).
You can install up to two PVDMs to support enhanced versions of digital signal
processors (DSPs).
There are five types of PVDMs:
PVDM-256K-4—Supports one DSP
•
PVDM-256K-8—Supports up to two DSPs
•
•
PVDM-256K-12—Supports up to three DSPs
PVDM-256K-16—Supports up the four DSPs
•
PVDM-256K-20—Supports up to five DSPs
•
Each DSP supports two analog voice ports or one ISDN BRI port. Each analog
VIC used with the Cisco 1760 router has two voice ports and requires a single
DSP. The 2-port ISDN Voice-BRI requires two DSPs.
possible combinations of PVDMs and voice ports for the Cisco 1760 router.
Cisco 1760 Modular Access Router Hardware Installation Guide
View from side
of card
2. Push the SIMM down and forward.
Installing a PVDM
Table C-1
shows the
C-7
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Troubleshooting
