ADTRAN BR1 User manual

JOBAID

TECHNICAL SUPPORT 800.726.8663

61152182L1-22A9904

TRI-CDP/

BR1/10

CLEI:D4CIA9T2

BR1/10 CHANNEL PIN-OUT

Channel

Position Pin Lead

127R

229R

331R

433R

535R

10 T

637R

12 T

739R

14 T

841R

16 T

943R

18 T

10 45 R

20 T

STATUS LED

STATUS ●RED No synchronization on either or both Total

Reach

and T1 interfaces

●GREEN Synchronizatin on bothTotal Reach andT1

interfaces

HARDWARE SWITCH SW1

SW1-1: B1 - along with SW1-2 and SW1-3,selects the service level

SW1-2: B2

SW1-3: D

■Service Option SW1-1 SW1-2 SW1-3

(B1) (B2) (D)

2B+D On On On

2B On On Off

B1+D On Off On

B2+D Off On On

B1 On Off Off

B2 Off On Off

D Off Off On

SW1-4: Zero Byte Substitution (ZBS)

■Enables or disables ZBS

Note: ZBS must be set the same as the U-BR1TE terminating theT1

carrier facility. For AMI-provisioned carriers, ZBS should be enabled.

Setting is optional for B8ZS-provisioned carriers.

JOBAID

FOR COMPLETE I&M PRACTICE 877.457.5007

DOCUMENT # 094

HAVE YOUR FAX NUMBER AVAILABLE

TRISDN

CLEI:DDRPLRC1AA

DEPLOYMENT GUIDELINES

TOTAL REACH SC PAM SIDE

Maximum Loop Loss .......................46 dB @ 20 kHz using a 135 ohm termination

52 dB @ 28 kHz using a 135 ohm termination

Maximum Noise................................34 dBrn using a 135 ohm termination with a 50 kB filter

Maximum DC Resistance.................2000 ohms

Maximum Single BridgedTap...........2 kft

MaximumTotal Bridged Tap..............6 kft

Maximum # of BridgedTaps..............3

NominalVoltage.................................-130VDC fromTIP (GND) to RING (-130 v)

Note:Bridged Tap length must be included as part of the total loop length.

U-INTERFACE SIDE

Maximum Loop Loss .......................42 dB @ 40 kHz using a 135 ohm termination

Maximum Noise................................33 dBrn using a 135 ohm termination with a 50 kB filter

Maximum DC Resistance.................1300 ohms

Maximum Single BridgedTap...........3 kft

MaximumTotal Bridged Tap..............6 kft

Maximum # of BridgedTaps..............3

Voltage.................................-48VDC from TIP (GND) to RING (-48 v)

T400 EDGE CONNECTOR PIN ASSIGNMENTS

55 TIP, U-Interface

49 RING, U-Interface

47 RING, Total Reach Interface

41 TIP, Total Reach Interface

27 Frame GND

11 Frame GND

Note:ISDN connections are not polarity sensitive

STATUS LEDs

NT1 I/F ●ON Indicates a loss of signal from or synchronization

with the 2B1Q BRI interface towards customer’s

NT1.

✷FLASHING Once per second indicates receipt of a Near End

Block Error from the 2B1Q BRI interface.

TRI I/F ●ON Indicates a loss of signal or synchronization with

the TRI-C (Total Reach ISDN CO) unit

✷FLASHING Once per second indicates receipt of a Near End

Block Error from theTRI-C unit

LOOPBACK ●ON Indicates theTRI-R unit is in a 2B+D loopback

✷FLASHING Oncer per second for B1 loopback, twice per second

for B2 loopback

ACT ●ON Indicates the terminal equipment has exchanged

ACT bits with the ISDN switch

✷FLASHING Once per second indicates that the ACT bit is being

sent from only the terminal equipment (CPE)

OPTIONS

■S1-1 SX

ON Default and normal condition. Provides between 4 to 10 mA of sealing

current toward the customer’s NT1/TA.

OFF Disables sealing current to the customer’s NT1/TA.

■S1-2TEST

ON Used for factory test only.

OFF Default and operational mode.

COMPATIBILITY

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