CHAPTER 3
3-50 IEN HARDWARE REFERENCE 940043-002
MEM61
The MEM61 module (Part #030036-001) is a 1MB memory upgrade used on the LET61,
LTR61, CID61, CID63, and in the IEN 1000 chassis. The module plugs into CNS1 A and B
sockets on the LET61 or LTR61 port processor, CNS1 A and B sockets on the CID61 port
processsor, CNEA2 and CNL1 or CNEB2 and CNL2 sockets on the CID63 port processor,
or CNS2 A and B sockets in the IEN 1000 chassis. The MEM61 is also required with router
interfaces LET10/11 and LTR10/11. Figure 3-48 illustrates the component sides of the
MEM61 memory upgrade module.
Figure 3-48 MEM61 Memory Upgrade Module