
Port Connections
11
SLIP The SLIP port bit rates are configured through the front panel interface on page 42
for LCD units or through rear panel DIP switches S1-4 and S1-5 on page 16 for
non-LCD units. It can be set to 1.2, 2.4, 9.6 or 19.2 kbps. This port is a DCE port
configured for 8 bits, no parity, and 1 stop bit. The physical connections are 8-pin
modular jacks (electrically RS-232). Figure 2-2 provides the pinout assignments.
See Ordering Information on page 92 for specific cable part numbers.
The SLIP port may be used to manage the unit. This port allows access to the
embedded SNMP agent for trap reporting or SNMP management. You may access
this port through either a direct or dial-up connection via an AT command set
compatible modem. The modem should be optioned to ignore DTR, enable auto
answer, inhibit command echo, and return verbose result codes.
If you call the unit and send the BREAK command before receiving the CONNECT
message, the modem will hang-up.
SUPV The SUPV port bit rates are configured through the front panel interface on LCD
units (page 42) or through the rear panel DIP switches on non-LCD units (page
Table 2-2
Token Ring Pinout Assignments
Pin Token Ring Interface
3 Data Out (-)
4 Data In (+)
5 Data In (-)
6 Data Out (+)
T1
DTE
LAN SLIP SUPV NET DBU
DATA PORT 2 DATA PORT 1
48VDC
+
T1
DTE
LAN SLIP SUPV NET DBU
115VAC
50/60Hz
120ma
DATA PORT 2 DATA PORT 1
Figure 2-2
SUPV and SLIP Terminal/Modem Connections
PRISM 3112 (LCD option) Rear Panel
PRISM 3112 (LCD option) Rear Panel
PC
Modem
RS-232 to Modem
RS-232 to Terminal
DTR Out 1
RTS Out 2
Frame Gnd 3
Data Out 4
Data In 5
Signal Gnd 6
CTS In 7
DCD In 8
PC (DTE)S
UPV
/S
LIP
Port
1 DCD
8 CTS
5Frame Gnd
2RXD
3 TXD
NC Signal Gnd
7 RTS
4 DTR
8-Pin
DB-9
PN# 9-1001-073-2
PN# 9-1001-091-1
Modular
DTR Out 1
RTS Out 2
Frame Gnd 3
Data Out 4
Data In 5
Signal Gnd 6
CTS In 7
DCD In 8
Modem (DCE)S
UPV
/S
LIP
Port
20 DTR
4RTS
1Frame Gnd
2 TXD
3 RXD
7Signal Gnd
5CTS
8DCD
8-Pin
DB-25
Modular
✍
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