2-4
9/24/01
Figure 2-2: Access Bank II - SNMP Top Cover Installation Guide
Top View
T1 LEDs (PER SPAN)
STATE
MEANING
OFF
Loss of T1 signal, no pulses
received
GREEN
Nodal Switch is in frame with
frame bit error rate <10E -5
FLASHING
Nodal Switch is in frame, but
GREEN
frame bit error rate exceeds 10E-5
RED
AIS (unframed all ones)
received from the T1 line
FLASHING
Nodal Switch is not framed to
RED
the T1 line but no AIS is received
YELLOW
Yellow alarm received from the T1 line
FLASHING
BPV errors received on the T1 line
YELLOW
that are not due to B8ZS line coding
V.35 STATUS LED
STATE
MEANING
OFF
No T1 channels assigned to V.35
port
GREEN
CD and RTS active. T1 channels
assigned and operable
FLASHING
V.35 in loopback to equipment
GREEN
RED
CD is inactive because assigned
T1 is inoperable
YELLOW
CD active RTS inactive
FLASHING
V.35 in loopback to T1 line
YELLOW
T1 TEST LEDs (PER SPAN)
STATE
MEANING
GREEN
Normal operation. Trunk processing,
self test, and network loopback
inactive
FLASHING
T1 self test local loopback
GREEN
passed
RED
T1 self test local loopback
failed
YELLOW
Channels held in trunk processing
for this T1
FLASHING
Network loopback active for this
YELLOW
T1
T1 JACK R48CPIN ASSIGNMENT
1
R1 - Receive ring from T1 line
2
T1 - Receive tip from T1 line
4
R - Transmit ring to T1 line
5
T - Transmit tip to T1 line
7&8
Ground for T1 cable shields
NODAL SWITCH CONTROL SWITCHES
SWITCH
FUNCTION
OFF
ON
SYSTEM SETUP
1
local/remote
local
remote
2
alarm cutoff
enable alarm
disable alarm
3
Option 1
4
Option 2
T1 SPAN 1 SETUP
1
Self test 1
off
on
2
Network loopback 1
off
on
3
T1 framing 1
Superframe
Extended
(SF) (also
superframe
called D4)
(ESF)
4
T1 line coding 1
Alternative
B8ZS
Mark
Inversion (AMI)
5
CSU on/off 1
Detect loop
Reject CSU
code (normal)
loopcode
T1 SPAN 2 SETUP
6
Self test 2
Off
On
7
Network loopback 2
Off
On
8
T1 framing 2
Superframe
Extended
(SF) (also
superframe
called D4)
(ESF)
9
T1 line coding 2
Alternative
B8ZS
Mark
Inversion (AMI)
10
CSU on/off 2
Detect loop
Reject CSU
code (normal)
loopcode
NODAL SWITCH ANALOG LEVELS
SWITCH
FUNCTION
LEVEL
Six switches Transmit =
Off adds loss
per channel
Analog to T1
Receive =
All switches off =
T1 to analog
0 dB
1
Receive -2 dB Off = 2 dB lower
2
Receive -3 dB Off = 3 dB lower
3
Receive -4 dB Off = 4 dB lower
4
Transmit -2 dB Off = 2 dB lower
5
Transmit -3 dB Off = 3 dB lower
6
Transmit -4 dB Off = 4 dB lower
NODAL SWITCH ANALOG SIGNALING
SWITCH
LABEL
FUNCTION
Four
Four switches
Off adds loss
switches
set card sig-
per card
naling options
Consult manual for
for all 12 chan signaling option settings
per voice card type
1
Option A
Off = normal FXS
2
Option B
Off = normal FXS
3
Option C
Off = normal FXS
4
Trunk proces-
When TP or test:
sing (TP)
On = loop busy
Busy/Idle
Off = loop idle
BACKPANEL CHANNEL LEDs
COLOR
PER CHANNEL FUNCTION
OFF
Idle (FXS ground start , tip open
GREEN
Incoming call (FXS loop start
RED
Outgoing call
YELLOW
Answer (taking) condition
Tip & Ring
Connector
10 BASE T ACTIVITY LED
STATE
MEANING
OFF
No data RX/TX
GREEN
RX/TX Data
RED
Collision detected
10 BASE T LINK LED
STATE
MEANING
OFF
No signal received
GREEN
Validate connection
Summary of Contents for Access Bank II SNMP
Page 17: ...xx ...
Page 37: ...3 8 9 24 01 ...
Page 47: ...4 10 9 24 01 ...
Page 61: ...5 14 9 24 01 ...
Page 69: ...6 8 9 24 01 ...
Page 87: ...FXS ID Configuration 8 14 9 24 01 ...
Page 97: ...Battery Reversal FXS Dial Pulse Origination Card 9 24 9 24 01 ...
Page 103: ...12 Channel FXO Dial Pulse Termination Card 10 6 9 24 01 ...
Page 121: ...4 Wire E M TO Configuration 11 18 9 24 01 ...
Page 139: ...12 18 9 24 01 ...
Page 144: ...Replacing the Controller Card 9 24 01 13 5 Figure 13 3 Replacing the Controller Card ...
Page 145: ...13 6 9 24 01 ...