ADTRAN Total Access 1500 SCU Instruction Manual

61180008L1-5B Section 61180008L1-5, Issue 2 1
Total Access®1500 SCU
Installation and Maintenance
Section 61180008L1-5B
Issue 2, September 2002
CLEI Code L1: VAC1E40J_ _
CLEI Code L2: VAC1E4NJ_ _
CLEI Code L3: VAC1T4NJ_ _
CONTENTS
1. GENERAL .......................................................... 1
2. INSTALLATION ............................................... 2
3. OPERATION...................................................... 3
4. MAINTENANCE ............................................... 9
5. PRODUCT SPECIFICATIONS......................... 9
6. WARRANTY AND CUSTOMER SERVICE . 10
FIGURES
Fig re 1. Total Access 1500 SCU ........................... 1
Fig re 2. System Controller Men Tree.................. 7
TABLES
Table 1. Compliance Codes ................................... 2
Table 2. Front Panel Description ........................... 3
Table 3. DCE Pin Assignments.............................. 3
Table 4. X.25 Pin Assignments .............................. 4
Table 5. Detailed SCU Specifications ................... 9
Figure 1. Total Access 1500 SCU
Trademarks: Any brand names and product names included in this document are
trademarks, registered trademarks, or trade names of their respective holders.
1. GENERAL
This practice provides installation and operation
proced res for an ADTRAN Total Access 1500
System Controller Unit (SCU), common mod les List
1, List 2, and List 3. Figure 1 shows the Total Access
1500 SCU, List 1, List 2, and List 3.
The SCU comes in the following three config rations:
• List 1 – No Mechanized Loop Test (MLT)
capability.
• List 2 – Central Office Terminal MLT
• List 3 – Remote Terminal MLT
Revision History
This is the second release of this doc ment. This
version incl des pdates describing TL1 over X.25
and TCP/IP.
Features
The Total Access 1500 SCU, P/Ns 1180008L1,
1180008L2, and 1180008L3, incl des the following
feat res:
• Control all common eq ipment and access
mod les
• Mechanized Loop Test (MLT) capability (L2 and
L3 sed together only)
• Provide VT100 craft interface via front panel
DB-9 connector
• Alarm C t Off (ACO) p shb tton
• Bank stat s indicators
• Test eq ipment timing o tp t
• Meet NEBS Level 3 and UL 1950 req irements
• Provides alarm stat s to NMA and/or SNMP
• Provides internal PAD for X.25 network
• Software can be pgraded while in field witho t
affecting service
• Operates in Host or Client mode for RS-485
chaining applications
• S pports TL1 over TCP/IP or X.25
• S pports men access over Telnet
• L2 and L3 monitor primary and secondary power
feeds. L1 does not monitor power feeds.
General Description
The Total Access 1500 SCU is a common mod le,
pl g-in nit designed for the Total Access 1500. The
SCU provides all control f nctions for the Total
Access 1500 common nits and all the individ al
access mod les. The SCU manages all network
related f nctions and comm nicates externally
HST
MLT
BSY
MJR
T
E
S
T
A
D
M
I
N
MNR
RMT
ACO
1180008L3
SCU RT
HST
MLT
BSY
MJR
T
E
S
T
A
D
M
I
N
MNR
RMT
ACO
1180008L2
SCU COT
HST PWR
MJR
T
E
S
T
A
D
M
I
N
MNR
RMT
ACO
1180008L1
SCU
List 1 List 2 List 3

2 Section 61180008L1-5, Issue 2 61180008L1-5B
thro gh RS-232, RS-485, and Ethernet interfaces. The
SCU manages the Mechanized Loop Test (MLT)
feat re and controls the activation/deactivation relays.
Compliance
Table 1 shows the Compliance Codes for the Total
Access 1500 SCU. The SCU complies with the
req irements covered nder UL 1950 and is intended
to be installed in Restricted Access Areas only and in
eq ipment with a Type “B” or “E” enclos re.
NOTE
At this point in the installation, power sho ld
not be applied to the Total Access 1500 shelf.
Table 1. Compliance Codes
edoCtupnItuptuO
)CP(edoCrewoPCC
)CT(edoCnoitacinummoceleT-X
)CI(edoCnoitallatsnIA-
This device complies with Part 15 of the FCC r les.
Operation is s bject to the following two conditions:
1. This device may not ca se harmf l interference.
2. This device m st accept any interference
received, incl ding interference that may ca se
ndesired operation.
Changes or modifications not expressly approved by
ADTRAN co ld void the ser’s a thority to operate
this eq ipment.
2. INSTALLATION
C A U T I O N
C A U T I O N
!
SUBJECT TO ELECTROSTATIC DAMAGE
OR DECREASE IN RELIABILITY.
HANDLING PRECAUTIONS REQUIRED.
After npacking the nit, inspect it for damage. If
damaged, file a claim with the carrier. Then contact
ADTRAN C stomer Service. Refer to the Warranty
and Customer Service section of this practice.
Electronic mod les can be damaged by static
electrical discharge. Before handling mod les, wear
an antistatic discharge wrist strap to prevent damage
to electronic components. Place mod les in antistatic
packing material when transporting or storing.
The Total Access 1500 SCU pl gs directly into the
SCU slot in the common mod le area of the Total
Access 1500 chassis.
WARNING
The Total Access 1500 SCU can only be inserted
into the third slot of the shelf. Attempting to
insert the SCU in any other slot may damage the
SCU and/or the backplane.
To Install the Total Access 1500 SCU, perform the
following steps:
1. P ll the latch/ejector on the bottom of the SCU
front panel from its closed position.
2. Hold the nit by the front panel while s pporting
the bottom side.
2. Align the card edges to the g ide grooves for the
SCU slot.
3. Gently, b t firmly, p sh the SCU into the third
slot on the shelf. Sim ltaneo s th mb press re at
the top and bottom of the SCU will ens re a good
seat of the SCU pins into the backplane
connector.
4. Lock the nit in place by pressing down the
locking lever.
All power, gro nd and administrative wiring sho ld
now be completed on the Total Access 1500 shelf, and
an SCU sho ld be installed in the shelf. The next
proced re is to apply power to the shelf with an SCU
in place, and ens re that the SCU properly powers p
and s ccessf lly completes its power-on self-test
ro tine. To verify that the SCU completes its self-test
ro tine perform the following steps:
1. Insert a f se into the f se and alarm panel serving
either the A or B power feeds to the Total Access
1500 shelf. The f se sho ld be selected with an
amperage appropriate for the intended se of the
Total Access shelf.
2. Verify that the SCU power-on self-test ro tine is
s ccessf lly completed. The LEDs will all
sim ltaneo sly flash, then the ACO, HST, and
MLT BSY LEDs will flash fo r times staying on
the last time. Once these LEDs t rn off, the front
panel will represent the tr e stat s of the SCU.
This may take more than 1 min te.

61180008L1-5B Section 61180008L1-5, Issue 2 3
3. This constit tes a complete and s ccessf l
power-on test.
NOTE
Once s ccessf lly powered p, if only A or B
power is s pplied, the SCU will reflect a MIN
alarm for A (or B) power fail re.
3. OPERATION
Power
The Total Access backplane delivers two -48 VDC
b ses to the SCU. The SCU operates with both or
either -48 VDC b ses active.
Front Panel Indicators
See Table 2 for a description of front panel LEDs and
b ttons.
User Interface
Since the SCU is the ser access point to the shelf and
its access mod les, it m st s pport a n mber of ser
physical interfaces and service the shelf’s
comm nication b ses. The SCU s pports a craft port,
X.25 port, and an Ethernet port.
Craft Port
The SCU provides an RS-232 serial asynchrono s
craft access port. Physical access is attained by
connecting a male-ended DB-9 cable to the female
DB-9 connector on the SCU front panel. This port can
operate at vario s ba d rates and is limited to 8-bit
asynchrono s data with no parity, one stop bit.
Minimal 3-wire f nctionality (pins 2, 3, and 5) is also
accommodated. This port operates as a DCE; pin
assignments are detailed in Table 3.
Table 3. DCE Pin Assignments
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2 ECDmorfataDtimsnarT
3 ECDotniataDevieceR
4 )ydaeRlanimreTataD(RTD
5 dnuorGlangiS
X.25 Port
The SCU s pports synchrono s RS-232 compatible
serial interface to be sed in conj nction with an X.25
network. The nit incl des PAD f nctions onboard so
an external PAD is not req ired for operation with the
X.25 network. Physical access ses a 25-pin female
DB-25 connector (J34) on the rear of the Total Access
1500 shelf. The X.25 connector pin assignments are
detailed in Table 4.
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evitcamralayrailixuAroetomeR
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.evitcaniamer
Table 2. Front Panel Description
HST
MLT
BSY
MJR
T
E
S
T
A
D
M
I
N
MNR
RMT
ACO
1180008L2
SCU COT

4 Section 61180008L1-5, Issue 2 61180008L1-5B
Table 4. X.25 Pin Assignments
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2ETDmorf)DT(ataDtimsmarT
3ETDotni)DR(ataDevieceR
4)STR(dneSoTtseuqeR
5)STC(dneSoTraelC
6)RSD(ydaeRteSataD
7)GS(dnuorGlangiS
8)DCD(tceteDreirraCataD
51kcolCtimsmarT
71kcolCevieceR
02)RTD(ydaeRlanimreTataD
22)IR(rotacidnIgniR
This port operates as a DTE and is config red for the
following settings:
• 1-way in or 2-way operation
• Up to fo r SVCs
• Up to 64 kbps (synchrono s)
• Packet size: 128 bytes
• Packet window: 2
• n2 retry limit: 3
• T1 ACK timer: 20 seconds
• T3 time o t: 3 seconds
• k window size: 2
Ethernet Port
The SCU provides an SNMP interface via a standard
Ethernet 10BaseT connector (J33) located on the
backplane of the Total Access 1500 shelf.
Connect and Logon to System
There are two ways to connect and logon to the
system: via the VT100 craft/admin interface or a
Telnet session.
Total Access shelf management and provisioning is
facilitated by a series of int itive men s that are
accessible on a comp ter screen. These men s are
available thro gh either a VT100 terminal session or a
Telnet session.
VT100 Terminal
To connect either a terminal or a PC em lating a
terminal to the craft port:
1. Set the parameters of the VT100 terminal to:
• 9600 ba d rate
NOTE
The SCU craft port is defa lted to 9600 b t has
additional available ba d rate of 38400.
• 8 data bits
• No parity
• 1 stop bit
• No flow control
2. When connecting a terminal to the craft port and
the terminal has a parallel setting, disable it and
se serial. When connecting a PC em lating a
VT100 terminal to the craft port, set the PC for
direct connect (as opposed to dial- p
connection).
3. When yo are sing the front craft port, se a
serial cable with a male DB-9 connector on the
Total Access end.
4. Pl g the male end of the data cable into the Total
Access shelf. Make connection to the VT100
terminal as appropriate for yo r eq ipment.
5. To logon to the Total Access system, press any
key. When password A thentication is enabled,
the c rsor will be placed at the Acco nt Name
field, waiting for an Acco nt Name to be inp t.
NOTE
The defa lt acco nt name is “ ser” and the
defa lt password is “password”.
6. At the Acco nt Name field, inp t the Acco nt
Name for the Total Access shelf, then press
ENTER. The c rsor will be placed at the
Password field, waiting for a Password.
7. At the Password field, enter the Password for the
Total Access System, and press ENTER.
8. Upon entering the correct password, the Total
Access main men is presented on the screen.
The Total Access men system can now be
accessed.

61180008L1-5B Section 61180008L1-5, Issue 2 5
Telnet
The SCU will s pport fo r conc rrent Telnet sessions.
Telnet is s pported via the Ethernet interface.
To se Telnet to comm nicate with the SCU, se the
following steps:
1. Set the proper IP Address for the connection
method of choice via the provisioning men . For
this proced re, refer to the following page of this
practice.
2. Connect to the Ethernet Interface on the
backplane of the Total Access 1500 shelf.
3. A s ccessf l Telnet connection is established
when the following appears on the screen:
/* enter ‘MENUS;’ to obtain men s (characters
will not echo) */
OK 0
<
4. A TL1 session may be activated at this time or to
logon to the Total Access Men System, enter
‘MENUS;’. If Password a thentication is
enabled, enter the Acco nt Name for the Total
Access shelf, and press ENTER. The c rsor will
then be placed at the Password field, waiting for
a password.
5. At the Password field, enter the Password for the
Total Access System, and press ENTER.
6. Upon entering the correct password, the Total
Access main men is presented on the screen.
This signifies a s ccessf l logon.
Provision the Ethernet Interface Settings
If the Total Access 1500 shelf is to be connected to an
Ethernet network for Telnet, TFTP or SNMP
Management, the IP Address, S bnet Mask, and
Defa lt Gateway m st be set for the shelf to
comm nicate with the network.
To set the IP Address, Subnet Mask, and Gateway:
1. From the System Controller main men , select
option 5, Management Config ration, and press
ENTER.
2. From the Management Config ration men ,
select option 1, IP Address, and press ENTER.
NOTE
The IP Address, S bnet Mask and Gateway are
in the form XXX.XXX.XXX.XXX, with the
XXX’s representing 1, 2 or 3 digit decimal
n mbers from 0 to 255.
3. Enter a valid IP address, and press ENTER.
4. From the Managemen Config ration men ,
select option 2, IP S bnet Mask, and press
ENTER.
5. Enter a valid S bnet Mask, and press ENTER.
6. From the Management Config ration men ,
select option 3, IP Defa lt Gateway, and press
ENTER.
7. Enter a valid Defa lt Gateway, and press
ENTER.
8. From the Management Config ration men ,
select option 4, Telnet Port N mber, and press
ENTER.
9. Enter the port to connect to when performing
TL1 over TCP/IP. This is set to 2000 as a
defa lt.
Menuing System
The ADTRAN Total Access SCU provides a men ing
system for the Total Access shelf. All system-related
men s are controlled by the SCU as well as some of
the access mod les men s. Other access mod les have
their own ser men str ct re s pported by the
mod le.
Menu Structure
The men str ct re for the SCU is a layered men
tree. Each men level consists of s bmen s and/or
men items. Some men items are restricted to certain
ser acco nts. The SCU s pports Read-Write and
Read-Only acco nts. Each of these acco nts may also
be given Test or Admin privileges. The Admin
privileges allow the ser to change all provisionable
settings as well as network config ration settings that
are not accessible to Read-Write and Read-Only
acco nts. Examples incl de SNMP provisioning, TL1
provisioning, Date/Time settings, password
administration, and software downloads. The
Read-Write acco nt allows the standard provisioning
settings to be changed. The Read-Only acco nt allows

6 Section 61180008L1-5, Issue 2 61180008L1-5B
the ser to view all provisioning settings, alarms, and
statistics. An acco nt with Test privileges will also
allow the acco nt to perform tests. Figure 2
ill strates the men str ct re of the SCU.
S bmen s are elements that move the ser down to
the next men level. Men items are elements which
allow the ser to make changes to the c rrent SCU
settings. There are two different types of men items:
read-only and read-write.
A read-only men item displays information that can
not be changed, s ch as the stat s of the SCU. A
read-write men item displays information that when
selected can be changed, s ch as the ba d rate of the
admin port.
Intersystem Communication (RS-485)
The ADTRAN Total Access 1500 SCU s pports
comm nication with other Total Access 1500 systems
over a shared, twisted-pair, half-d plex, RS-485 link.
The SCU from each system is connected in parallel on
this b s. Pin A sho ld be connected to pin A, and Pin
B sho ld be connected to Pin B, so each shelf is in
parallel. One SCU acts as the master controller and
all others f nction as slaves. Physical access is
attained by way of wire-wrap posts (P12) on the rear
of the Total Access 1500 Shelf. Up to 32 shelves may
be cl stered together via the RS-485 b s.
To set p RS-485 chaining, perform the following:
1. Give the first SCU in the chain a niq e Target
ID (TID).
2. Enable RS-485 Interface.
3. Set Interbank Comm nication Mode to Host.
4. Give the next SCU in the chain a niq e Target
ID (TID).
5. Enable RS-485 Interface.
6. Set Interbank Comm nication Mode to Client.
Repeat steps 4-6 ntil p to 32 shelves have been
chained.
Setting the Target ID (TID)
A niq e Target ID (TID) m st be given to each shelf
of a chained RS-485 cl ster. To set the Target ID
(TID) in the Total Access 1500 SCU, perform the
following:
1. Logon to the system.
2. From the Total Access 1500 main men , select
option 1, System Controller, and press ENTER.
3. From the System Controller men , select option
2, Provisioning, and press ENTER.
4. From the Provisioning men , select option 6,
Target ID (TID), and press ENTER.
5. Enter the appropriate Target ID and press
ENTER.
NOTE
The Target ID (TID) may consist of p to 20
characters. The first character m st be a letter.
The remaining characters min s the last character
may be alphan meric or a hyphen. The last
character m st be alphan meric.
An example of a Target ID (TID) follows:
HTVLALEXD01
Where:
HTVL designates the city
AL designates the state
EX identifies the Central office or remote
terminal
D identifies the eq ipment type ("D" is
administrative eq ipment)
01 identifies the piece of eq ipment of
that type at the CO

61180008L1-5B Section 61180008L1-5, Issue 2 7
Figure 2. System Controller Menu Tree
1. Configuration 2. Provisioning 3. Test 4. Alarms 5. Management Configuration 6. Security
Usernames (1-16)
1. User Name
2. Password 3. R/W 4. Test 5. Admin 6. Delete This User
Enter New User Name
Enter New Password 1. Read-Only
2. Read/Write
1. Disabled 2. Enabled
1. IP Address
2. IP Subnet Mask 3. IP Default Gateway 4. TELNET Port Number
Enter Value
5. TCP/IP Port Number 6. SNMP Configuration
Enter Value (1024 .. 9999)
1. Disabled 3. Major 2. Minor
1. Disabled 2. Enabled
1. Disabled 2. Enabled
1. Disabled 2. Enabled
1. Dual PSU
2. Single PSU
1. T1 Mapping 2. D4 Conventional
1. Force LIU Failover 2. SCU Reset
1. Alarm Relay Mapping
2. Log MLT Alarms 3. Ringer Alarms 4. AUX1 Alarm
1. Disabled 2. Enabled
5. AUX2 Alarm 6. RMT Alarm 9. PSU Configuration
1. None
Enter New Password
Enter Value
2. Local
1. SCU
2. Online LIU
1. Select Y-Modem Upload Destination 3. Modify Checksum
2. Start Y-Modem Upload 5. Reset the Y-Modem Destination 4. Compute Checksum and Store
Unit Name Part Number CLEI Code Product Revision Software Revision MAC Address
1. Disabled 2. Enabled
1. Terminal Auto-Logout 2. Auto-Logout Time
1. Disabled 2. Enabled
1. Date Enter Value
Enter Value (1...60)
3. Terminal Auto-Logout 4. Password Authentification 5. Password
6. Target ID (TID)
7. RS-485 Interface
1. Client 2. Host
1. MTA Mode 2. MLT Mode
8. Interbank Communication Mode 9. Y-Modem Application
10. Test Access Mode
2. Time
11. Craft Port Baud Rate
1. Erase SCU
2. Cancel
Enter New Checksum
1. 9600 2. 38400
7. ACO Alarm
8. SLC-96 Pwr/Misc Alm (COT Only)
10. LIU Configuration 1. Dual LIU
2. Single LIU
1. SNMP Authentication Traps
2. Read-Only Community Name 3. Read-Write Community Name 4. System Contact 5. System Name 6. System Location
7. SNMP Trap Hosts 8. Re-Map Interface Indices
1. Disabled 2. Enabled
Enter Value
Trap Host 1-8 1. IP Address
2. Status 1. Enabled
2. Disabled
Enter IP Address

8 Section 61180008L1-5, Issue 2 61180008L1-5B
Alarm Processing
The SCU monitors the stat s of each line card and
provides necessary alarm processing to determine the
overall alarm state of the system.
Alarm Outputs
The SCU determines alarm states and reports these
res lts via onboard alarm interfaces and thro gh
active ser access channels. Each onboard alarm
interface consists of Form-C relay contacts to provide
Common (COM), Normally Open (NO), and
Normally Closed (NC) f nctionality. Physical access
to the relay contacts is attained by way of wire-wrap
posts per alarm f nction. These posts are located on
the rear panel of the Total Access 1500 shelf. The
following alarm o tp ts are s pported:
Alarm Wire-wrap Header
• Major A dible MAJ-A
• Minor A dible MIN-A
• Major Vis al MAJ-V
• Minor Vis al MIN-V
The SCU provides front panel LEDs (See Table 2) to
indicate the stat s of the shelf and Alarm C t Off
(ACO) state.
Alarm Inputs
The SCU s pports external alarm, stat s, or control
inp ts. Circ itry on the SCU accepts a -48V signal as
an active state. Physical access to these inp ts is
attained by way of two wire-wrap posts per inp t
f nction located on the rear panel of the Total Access
1500 shelf. The following alarm inp ts are s pported:
Alarm Wire-wrap Header
• A xiliary 1 AUX 1
• A xiliary 2 AUX 2
• Alarm C t Off AUX 3
• Remote AUX 4
NOTE
The front panel mo nted ACO switch is sed to
c t off an alarm.
Configuring Alarms
To config re alarms the ser will need to perform the
following:
1. Logon to the system.
2. From the Total Access 1500 main men , select
option 1, System Controller, and press ENTER.
3. From the System Controller men , select option
4, Alarms, and press ENTER.
4. Provision the alarms as desired.
The following items may be config red:
• Alarm Relay Mapping – allows the ser to select
T1 or D4 alarm relay mapping
• Log MLT Alarms – enables/disables the logging
of MLT alarms
• Ringer Alarms – enables/disables ringer alarms
• AUX1 Alarm – enables/disables AUX1 alarm
inp t
• AUX2 Alarm – enables/disables AUX2 alarm
inp t
• RMT Alarm – enables/disables RMT alarm inp t
• Primary Power Alarm – enables/disables alarm
condition associated with having primary power
feed removed
• Secondary Power Alarm – enables/disables alarm
condition associated with having secondary
power feed removed
• PSU Config ration – choose single or d al PSU
according to whether red ndant eq ipment is
installed in the Total Access 1500 chassis
• LIU Config ration – choose single or d al LIU
according to whether red ndant eq ipment is
installed in the Total Access 1500 chassis

61180008L1-5B Section 61180008L1-5, Issue 2 9
Table 5. Detailed SCU Specifications
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4. MAINTENANCE
The SCU req ires no ro tine maintenance to operate
properly. Cond ct tests and maintenance for the
specific pl g-ins in accordance with the
recommendations and proced res prescribed by the
man fact rer of each specific pl g-in. ADTRAN
ca tions against performing major repairs in the field.
Repair services may be obtained by ret rning the
defective nit to the ADTRAN C stomer Service
RMA Department. Refer to Warranty and Customer
Service section for more information.
5. PRODUCT SPECIFICATIONS
Prod ct specifications for the ADTRAN Total Access
SCU are detailed in Table 5.

10 Section 61180008L1-5, Issue 2 61180008L1-5B
6. WARRANTY AND CUSTOMER SERVICE
ADTRAN will replace or repair this prod ct within
ten (10) years from the date of shipment if it does not
meet its p blished specifications or fails while in
service. Refer to ADTRAN U.S. and Canada Carrier
Networks Equipment Warranty, Doc ment
60000087-10.
Contact C stomer and Prod ct Service (CAPS) prior
to ret rning eq ipment to ADTRAN.
For service, CAPS req ests, or f rther information,
contact one of the following n mbers:
ADTRAN Sales
Pricing/Availability
[phone]
ADTRAN Technical Support
Pre-sales Applications/Post-sales Technical
Assistance
[phone]
Standard ho rs: Monday-Friday, 7 a.m. - 7 p.m. CST
Emergency ho rs: 7 days/week, 24 ho rs/day
ADTRAN Repair/CAPS
Return for Repair/Upgrade
[phone]
Repair and Return Address
ADTRAN, Inc.
CAPS Department
901 Explorer Boulevard
Huntsville, Alabama 35806-2807