32
AR Router
C613-03031-01 REV E
Figure 14: Location of main components on the AT-AR390 and AT-AR395 base CPU
cards.
Analogue Voice Ports
The AT-AR300(S) and AT-AR310(S) have two and four analogue voice ports,
respectively. The analogue voice ports provide full PABX functionality,
including the ability to transfer calls from one port to another. Each analogue
voice port can be individually configured to meet specific requirements,
including fully programmable ringing tones.
Table 14: Functions of the jumpers on the AT-AR390, and AT-AR395 base CPU
cards.
Jumper
Function
Factory Default
J1
Selects NT mode (installed) or TE mode
(not installed).
Not installed (TE mode)
J2
PRI Tx Termination (120
Ω
or 75
Ω
)
75
Ω
J3
PRI Rx Termination (120
Ω
or 75
Ω
)
75
Ω
J4
Coax Tx grounding: CAP (grounded via
100nF capacitor) or GND (grounded).
GND
J5
Coax Rx grounding: CAP (grounded via
100nF capacitor) or GND (grounded)
CAP
390CPU
LED
LED
LED
LED
LED
LED
LED
LED
LED
LED
ETHERNET 0
RJ45
MDX
PC
HUB
ASYNCHRONOUS
PORTS 0 & 1
CONFIG
WARNING:
LITHIUM BATTERY
DO NOT DISPOSE IN FIRE
Run Power
System
LAN
WAN
Active
Syn ISDN
Link
Rxd
Coll
Txd
DB9
RJ45
G.703/PRI
ISDN 0
S/N
REV
(TE/NT MODE)
J1
120
Ω
LED
J2 J3
120
Ω
75
Ω
GND CAP
J5
J4
RX
TX
BOOT EPROM
MAC CARD SLOT
