PHONE MODEL IDENTIFICATION CHART

All phones except keypad phones can be A.C. powered (901 series) or phone line powered (401 series). Once you have identified the general mounting style of your current phone you will find the updated corresponding part number for identification or replacement.

 

C.O.P. MOUNTING STYLES

There are 4 styles for the C.O.P. mount phone

Transient
  • Approximately 5"x7"
  • Speaker and mic are close together.
  • Center of speaker to center of mic measures 2.00"
  • ET901A-OEMU-3 (AC powered) & ET401A-OEMU-3 (line powered) 
Transient
  • Approximately 9"x5"
  • Speaker on the bottom, mic on the top
  • Center of speaker to center of mic measures 5.875"
  • ET901A-OEM-3 (AC powered) & ET401A-OEM-3 (line powered) 
Transient
  • Approximately 9"x5"
  • Speaker in the center, mic on the top
  • Center of speaker to center of mic measures 3.375"
  • ET901A-OEMCS (AC powered) & ET401A-OEMCS (line powered)
Transient
  • Approximately 9"x5"
  • Speaker on the bottom, mic in the center
  • Center of speaker to center of mic measures 2.50"
  • ET901A-OEMCM (AC powered) & ET401A-OEMCM (line powered)
 

BOX OR CABINET MOUNTED

There is only 1 size for a cabinet mounted phone

Transient
  • Approximately 8"x5"
  • Older models are unfinished steel, newer models are scratch resistant red
  • ET901A-3 (AC powered) & ET401A-3 (line powered)
 

FLUSH MOUNTED WITH PANEL

There are 2 sizes for the flush mounted phone

Transient
  • The standard size flush mount is 12.5"x10"
  • Models are available in brushed stainless and brushed or mirrored bronze
  • ET1901A-3 (AC powered stainless) & ET1901AB (AC powered bronze)
  • ET1401A-3 (line powered stainless) & ET1401AB (line powered bronze)
Transient
  • The model 'S' is a bit smaller than our standard size, measuring 10.5"x6.5"
  • The model 'S' is also available in brushed stainless and brushed or mirrored bronze
  • ET1901A-S-3 (AC powered stainless) & ET1901AB-S (AC powered bronze)
  • ET1401A-S-3 (line powered stainless) & ET1401AB-S (line powered bronze)
 

LOW PROFILE SURFACE MOUNTED

There is only 1 size for a low profile mounted phone

Transient
  • The low profile phone is nearly square at approximately 6"x7"
  • Models are available in brushed stainless steel and brushed bronze
  • **Older models were slightly larger at approximately 7"x9.5"
  • ET901A-LPSS-3 (AC powered stainless) & ET901A-LPBR (AC powered bronze)
  • ET401A-LPSS-3 (line powered stainless) & ET401A-LPBR (line powered stainless)