Cisco VG400 series User Manual

After you install the voice gateway, you must connect the chassis to a reliable earth ground. For the chassis
ground connection procedures, see the Chassis Grounding section.
Chassis Grounding
To reduce the risk of electric shock, the chassis of this equipment needs to be connected to permanent earth
ground during normal use. Statement 445
Warning
Use a size 14 AWG (2 mm2) or larger copper wire and an appropriate user-supplied ring terminal with an
inner diameter of 1/4 in. (5–7 mm).
To install the ground connection for your router, perform the following steps:
SUMMARY STEPS
1. Strip one end of the ground wire to the length required for the ring terminal.
2. Crimp the ground wire to the ring terminal, using a crimp tool of the appropriate size.
3. Attach the ground lug or ring terminal to the chassis as shown in the following image. Use one of the
screws provided. Tighten the screws to a torque of 8 to 10 in-lb (0.9 to 1.1 N-m).
4. Connect the other end of the ground wire to a known reliable earth ground point at your site.
DETAILED STEPS
Step 1 Strip one end of the ground wire to the length required for the ring terminal.
Step 2 Crimp the ground wire to the ring terminal, using a crimp tool of the appropriate size.
Step 3 Attach the ground lug or ring terminal to the chassis as shown in the following image. Use one of the screws provided.
Tighten the screws to a torque of 8 to 10 in-lb (0.9 to 1.1 N-m).
Cisco VG400 Voice Gateway Hardware Installation Guide
24
Installing the Cisco VG400 Voice Gateway
Chassis Grounding

Cisco VG400 series Specifications

General

Operating Temperature	32 to 104°F (0 to 40°C)
Storage Temperature	-4 to 149°F (-20 to 65°C)
Protocols	SIP, MGCP
Voice Codecs	G.711, G.729, iLBC
Fax Support	T.38
Management	CLI, SNMP
Humidity	10 to 90% non-condensing
Compliance	FCC, CE, UL, RoHS
Ports	4 FXS ports
Power Supply	External power adapter (included)