3
N
ETWORK
I
NTERFACE
C
ARD
C
ABLING
This chapter provides information about the physical interfaces of the
Token Ring Network Interface Card (NIC) and instructions for accessing
the corresponding Network Application Card (NAC) through the user
interface (UI).
Physical Interfaces
The Token Ring NIC has the following physical interfaces:
Callout Number
Interface Description
1
CH1
: RJ-45 RS
–
232 DTE Port
Used to access the corresponding NAC’s UI
console. This port’s speed is determined by
DIP switch setting on the NAC.
2
CH2
: RJ-45 RS
–
232 DTE Port
Used as a dedicated SLIP port when behind
the Network Management Card (NMC). It
is reserved when behind any other NAC.
3
STP
: DB-9 IBM Type 1 Token Ring port.
4
UTP
: RJ-45 IBM Type 3 Token Ring port.
TOK E N
RING NIC
RS -232
RS -232
TOK E N
RING
TOK E N
RING
C
H
1
C
H
2
U
T
P
S
T
P
2
3
1
4
