240
C
A: I
HAPTER
NTERFACE
C
I
M
ARD AND
NTERFACE
ODULE
Table 180 ESM/VPM/VCPM options
Interface card
20-20/
type
20-21
×
VPM32
×
VPM24
×
VPM16
×
VPM8
P
G
URCHASE
UIDE
20-40
30-11
√
×
√
×
√
×
√
×
20-40/
30-16
30-20
30-60
√
√
√
√
√
√
√
√
√
√
√
√
50-40/
50-60
√
√
√
√
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